diff --git a/src/app/app.ts b/src/app/app.ts
index d0c7714e..be55213e 100644
--- a/src/app/app.ts
+++ b/src/app/app.ts
@@ -29,7 +29,7 @@ See https://github.com/odoo/owl/blob/${hash}/doc/reference/app.md#configuration
 
 export class App<
   T extends abstract new (...args: any) => any = any,
-  P = any,
+  P extends object = any,
   E = any
 > extends TemplateSet {
   static validateTarget = validateTarget;
@@ -102,7 +102,11 @@ export class App<
   }
 }
 
-export async function mount<T extends abstract new (...args: any) => any = any, P = any, E = any>(
+export async function mount<
+  T extends abstract new (...args: any) => any = any,
+  P extends object = any,
+  E = any
+>(
   C: T & ComponentConstructor<P, E>,
   target: HTMLElement,
   config: AppConfig<P, E> & MountOptions = {}
diff --git a/src/app/template_helpers.ts b/src/app/template_helpers.ts
index 36de4dad..e167551c 100644
--- a/src/app/template_helpers.ts
+++ b/src/app/template_helpers.ts
@@ -2,6 +2,8 @@ import { BDom, multi, text, toggler } from "../blockdom";
 import { validateProps } from "../component/props_validation";
 import { Markup } from "../utils";
 import { html } from "../blockdom/index";
+import { TARGET } from "../reactivity";
+
 /**
  * This file contains utility functions that will be injected in each template,
  * to perform various useful tasks in the compiled code.
@@ -21,7 +23,7 @@ function callSlot(
   defaultContent?: (ctx: any, node: any, key: string) => BDom
 ): BDom {
   key = key + "__slot_" + name;
-  const slots = (ctx.props && ctx.props.slots) || {};
+  const slots = ctx.props[TARGET].slots || {};
   const { __render, __ctx, __scope } = slots[name] || {};
   const slotScope = Object.create(__ctx || {});
   if (__scope) {
diff --git a/src/compiler/code_generator.ts b/src/compiler/code_generator.ts
index 5d28f5c9..6fa9136c 100644
--- a/src/compiler/code_generator.ts
+++ b/src/compiler/code_generator.ts
@@ -1125,18 +1125,17 @@ export class CodeGenerator {
     }
 
     if (slotDef && !(ast.dynamicProps || hasSlotsProp)) {
-      props.push(`slots: ${slotDef}`);
+      this.helpers.add("markRaw");
+      props.push(`slots: markRaw(${slotDef})`);
     }
 
     const propStr = `{${props.join(",")}}`;
 
     let propString = propStr;
     if (ast.dynamicProps) {
-      if (!props.length) {
-        propString = `Object.assign({}, ${compileExpr(ast.dynamicProps)})`;
-      } else {
-        propString = `Object.assign({}, ${compileExpr(ast.dynamicProps)}, ${propStr})`;
-      }
+      propString = `Object.assign({}, ${compileExpr(ast.dynamicProps)}${
+        props.length ? ", " + propStr : ""
+      })`;
     }
 
     let propVar: string;
@@ -1147,7 +1146,8 @@ export class CodeGenerator {
     }
 
     if (slotDef && (ast.dynamicProps || hasSlotsProp)) {
-      this.addLine(`${propVar!}.slots = Object.assign(${slotDef}, ${propVar!}.slots)`);
+      this.helpers.add("markRaw");
+      this.addLine(`${propVar!}.slots = markRaw(Object.assign(${slotDef}, ${propVar!}.slots))`);
     }
 
     // cmap key
diff --git a/src/component/component.ts b/src/component/component.ts
index f1fbe001..220fb094 100644
--- a/src/component/component.ts
+++ b/src/component/component.ts
@@ -36,7 +36,7 @@ export class Component<Props = any, Env = any> {
 
   setup() {}
 
-  render() {
-    this.__owl__.render();
+  render(deep: boolean = false) {
+    this.__owl__.render(deep);
   }
 }
diff --git a/src/component/component_node.ts b/src/component/component_node.ts
index 78e155cb..eead3fc6 100644
--- a/src/component/component_node.ts
+++ b/src/component/component_node.ts
@@ -1,6 +1,6 @@
 import type { App, Env } from "../app/app";
 import { BDom, VNode } from "../blockdom";
-import { clearReactivesForCallback, NonReactive, Reactive, reactive } from "../reactivity";
+import { clearReactivesForCallback, Reactive, reactive, TARGET, NonReactive } from "../reactivity";
 import { batched, Callback } from "../utils";
 import { Component, ComponentConstructor } from "./component";
 import { fibersInError, handleError } from "./error_handling";
@@ -58,14 +58,24 @@ export function useState<T extends object>(state: T): Reactive<T> | NonReactive<
 // -----------------------------------------------------------------------------
 // component function (used in compiled template code)
 // -----------------------------------------------------------------------------
+type Props = { [key: string]: any };
 
-export function component(
-  name: string | typeof Component,
-  props: any,
+function arePropsDifferent(props1: Props, props2: Props): boolean {
+  for (let k in props1) {
+    if (props1[k] !== props2[k]) {
+      return true;
+    }
+  }
+  return Object.keys(props1).length !== Object.keys(props2).length;
+}
+
+export function component<P extends object>(
+  name: string | ComponentConstructor<P>,
+  props: P,
   key: string,
   ctx: ComponentNode,
   parent: any
-): ComponentNode {
+): ComponentNode<P> {
   let node: any = ctx.children[key];
   let isDynamic = typeof name !== "string";
 
@@ -83,7 +93,10 @@ export function component(
 
   const parentFiber = ctx.fiber!;
   if (node) {
-    node.updateAndRender(props, parentFiber);
+    const currentProps = node.component.props[TARGET];
+    if (parentFiber.deep || arePropsDifferent(currentProps, props)) {
+      node.updateAndRender(props, parentFiber);
+    }
   } else {
     // new component
     let C;
@@ -98,8 +111,7 @@ export function component(
     node = new ComponentNode(C, props, ctx.app, ctx);
     ctx.children[key] = node;
 
-    const fiber = makeChildFiber(node, parentFiber);
-    node.initiateRender(fiber);
+    node.initiateRender(new Fiber(node, parentFiber));
   }
   return node;
 }
@@ -110,7 +122,7 @@ export function component(
 
 type LifecycleHook = Function;
 
-export class ComponentNode<P = any, E = any> implements VNode<ComponentNode<P, E>> {
+export class ComponentNode<P extends object = any, E = any> implements VNode<ComponentNode<P, E>> {
   el?: HTMLElement | Text | undefined;
   app: App;
   fiber: Fiber | null = null;
@@ -141,6 +153,7 @@ export class ComponentNode<P = any, E = any> implements VNode<ComponentNode<P, E
     applyDefaultProps(props, C);
     const env = (parent && parent.childEnv) || app.env;
     this.childEnv = env;
+    props = useState(props);
     this.component = new C(props, env, this) as any;
     this.renderFn = app.getTemplate(C.template).bind(this.component, this.component, this);
     this.component.setup();
@@ -170,21 +183,29 @@ export class ComponentNode<P = any, E = any> implements VNode<ComponentNode<P, E
     }
   }
 
-  async render() {
+  async render(deep: boolean = false) {
     let current = this.fiber;
     if (current && current.root!.locked) {
       await Promise.resolve();
       // situation may have changed after the microtask tick
       current = this.fiber;
     }
-    if (current && !current.bdom && !fibersInError.has(current)) {
-      return;
-    }
-    if (!this.bdom && !current) {
+    if (current) {
+      if (!current.bdom && !fibersInError.has(current)) {
+        if (deep) {
+          // we want the render from this point on to be with deep=true
+          current.deep = deep;
+        }
+        return;
+      }
+      // if current rendering was with deep=true, we want this one to be the same
+      deep = deep || current.deep;
+    } else if (!this.bdom) {
       return;
     }
 
     const fiber = makeRootFiber(this);
+    fiber.deep = deep;
     this.fiber = fiber;
     this.app.scheduler.addFiber(fiber);
     await Promise.resolve();
@@ -246,6 +267,10 @@ export class ComponentNode<P = any, E = any> implements VNode<ComponentNode<P, E
     this.fiber = fiber;
     const component = this.component;
     applyDefaultProps(props, component.constructor as any);
+
+    currentNode = this;
+    props = useState(props);
+    currentNode = null;
     const prom = Promise.all(this.willUpdateProps.map((f) => f.call(component, props)));
     await prom;
     if (fiber !== this.fiber) {
@@ -310,6 +335,14 @@ export class ComponentNode<P = any, E = any> implements VNode<ComponentNode<P, E
   }
 
   patch() {
+    if (this.fiber && this.fiber.parent) {
+      // we only patch here renderings coming from above. renderings initiated
+      // by the component will be patched independently in the appropriate
+      // fiber.complete
+      this._patch();
+    }
+  }
+  _patch() {
     const hasChildren = Object.keys(this.children).length > 0;
     this.bdom!.patch(this!.fiber!.bdom!, hasChildren);
     if (hasChildren) {
diff --git a/src/component/fibers.ts b/src/component/fibers.ts
index 4d98cbaa..47d95b64 100644
--- a/src/component/fibers.ts
+++ b/src/component/fibers.ts
@@ -16,9 +16,8 @@ export function makeRootFiber(node: ComponentNode): Fiber {
   let current = node.fiber;
   if (current) {
     let root = current.root!;
-    root.counter -= cancelFibers(current.children);
+    root.counter = root.counter + 1 - cancelFibers(current.children);
     current.children = [];
-    root.counter++;
     current.bdom = null;
     if (fibersInError.has(current)) {
       fibersInError.delete(current);
@@ -34,7 +33,6 @@ export function makeRootFiber(node: ComponentNode): Fiber {
   if (node.patched.length) {
     fiber.patched.push(fiber);
   }
-
   return fiber;
 }
 
@@ -60,11 +58,13 @@ export class Fiber {
   parent: Fiber | null;
   children: Fiber[] = [];
   appliedToDom = false;
+  deep: boolean = false;
 
   constructor(node: ComponentNode, parent: Fiber | null) {
     this.node = node;
     this.parent = parent;
     if (parent) {
+      this.deep = parent.deep;
       const root = parent.root!;
       root.counter++;
       this.root = root;
@@ -107,7 +107,7 @@ export class RootFiber extends Fiber {
       current = undefined;
 
       // Step 2: patching the dom
-      node.patch();
+      node._patch();
       this.locked = false;
 
       // Step 4: calling all mounted lifecycle hooks
diff --git a/src/index.ts b/src/index.ts
index cf045b8a..b901704c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,11 +14,13 @@ import {
 } from "./blockdom";
 import { mainEventHandler } from "./component/handler";
 import { Portal } from "./portal";
+import { markRaw } from "./reactivity";
 export type { Reactive } from "./reactivity";
 
 config.shouldNormalizeDom = false;
 config.mainEventHandler = mainEventHandler;
 (UTILS as any).Portal = Portal;
+(UTILS as any).markRaw = markRaw;
 
 export const blockDom = {
   config,
diff --git a/src/reactivity.ts b/src/reactivity.ts
index 7fa124b9..2c783324 100644
--- a/src/reactivity.ts
+++ b/src/reactivity.ts
@@ -1,7 +1,7 @@
 import { Callback } from "./utils";
 
 // Allows to get the target of a Reactive (used for making a new Reactive from the underlying object)
-const TARGET = Symbol("Target");
+export const TARGET = Symbol("Target");
 // Escape hatch to prevent reactivity system to turn something into a reactive
 const SKIP = Symbol("Skip");
 // Special key to subscribe to, to be notified of key creation/deletion
diff --git a/tests/components/__snapshots__/concurrency.test.ts.snap b/tests/components/__snapshots__/concurrency.test.ts.snap
index c47d6ade..03fb8164 100644
--- a/tests/components/__snapshots__/concurrency.test.ts.snap
+++ b/tests/components/__snapshots__/concurrency.test.ts.snap
@@ -1067,6 +1067,33 @@ exports[`delay willUpdateProps with rendering grandchild 4`] = `
 }"
 `;
 
+exports[`destroying/recreating a subcomponent, other scenario 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2,b3;
+    b2 = text(\`parent\`);
+    if (ctx['state'].hasChild) {
+      b3 = component(\`Child\`, {}, key + \`__1\`, node, ctx);
+    }
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`destroying/recreating a subcomponent, other scenario 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(\`child\`);
+  }
+}"
+`;
+
 exports[`destroying/recreating a subwidget with different props (if start is not over) 1`] = `
 "function anonymous(bdom, helpers
 ) {
@@ -1145,7 +1172,7 @@ exports[`properly behave when destroyed/unmounted while rendering  2`] = `
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2 = component(\`SubChild\`, {}, key + \`__1\`, node, ctx);
+    let b2 = component(\`SubChild\`, {val: ctx['props'].val}, key + \`__1\`, node, ctx);
     return block1([], [b2]);
   }
 }"
diff --git a/tests/components/__snapshots__/error_handling.test.ts.snap b/tests/components/__snapshots__/error_handling.test.ts.snap
index c393dce3..1f6bae4a 100644
--- a/tests/components/__snapshots__/error_handling.test.ts.snap
+++ b/tests/components/__snapshots__/error_handling.test.ts.snap
@@ -100,6 +100,7 @@ exports[`can catch errors can catch an error in a component render function 1`]
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -108,7 +109,7 @@ exports[`can catch errors can catch an error in a component render function 1`]
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`ErrorBoundary\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`ErrorBoundary\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -152,6 +153,7 @@ exports[`can catch errors can catch an error in the constructor call of a compon
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -160,7 +162,7 @@ exports[`can catch errors can catch an error in the constructor call of a compon
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`ErrorBoundary\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`ErrorBoundary\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -190,6 +192,7 @@ exports[`can catch errors can catch an error in the constructor call of a compon
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -200,7 +203,7 @@ exports[`can catch errors can catch an error in the constructor call of a compon
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b5 = component(\`ErrorBoundary\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__3\`, node, ctx);
+    let b5 = component(\`ErrorBoundary\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__3\`, node, ctx);
     return block1([], [b5]);
   }
 }"
@@ -269,6 +272,7 @@ exports[`can catch errors can catch an error in the initial call of a component
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -277,7 +281,7 @@ exports[`can catch errors can catch an error in the initial call of a component
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`ErrorBoundary\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`ErrorBoundary\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -321,6 +325,7 @@ exports[`can catch errors can catch an error in the initial call of a component
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -331,7 +336,7 @@ exports[`can catch errors can catch an error in the initial call of a component
   return function template(ctx, node, key = \\"\\") {
     let b3;
     if (ctx['state'].flag) {
-      b3 = component(\`ErrorBoundary\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+      b3 = component(\`ErrorBoundary\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     }
     return block1([], [b3]);
   }
@@ -465,6 +470,7 @@ exports[`can catch errors can catch an error in the mounted call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -473,7 +479,7 @@ exports[`can catch errors can catch an error in the mounted call 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`ErrorBoundary\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`ErrorBoundary\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -516,6 +522,7 @@ exports[`can catch errors can catch an error in the willPatch call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><span><block-text-0/></span><block-child-0/></div>\`);
   
@@ -525,7 +532,7 @@ exports[`can catch errors can catch an error in the willPatch call 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     let txt1 = ctx['state'].message;
-    let b3 = component(\`ErrorBoundary\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`ErrorBoundary\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([txt1], [b3]);
   }
 }"
@@ -569,6 +576,7 @@ exports[`can catch errors can catch an error in the willStart call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -577,7 +585,7 @@ exports[`can catch errors can catch an error in the willStart call 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`ErrorBoundary\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`ErrorBoundary\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -620,6 +628,7 @@ exports[`can catch errors can catch an error origination from a child's willStar
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -630,7 +639,7 @@ exports[`can catch errors can catch an error origination from a child's willStar
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b5 = component(\`ErrorBoundary\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__3\`, node, ctx);
+    let b5 = component(\`ErrorBoundary\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__3\`, node, ctx);
     return block1([], [b5]);
   }
 }"
@@ -733,7 +742,7 @@ exports[`can catch errors catching error, rethrow, render parent  -- a main comp
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { prepareList, capture, withKey } = helpers;
+  let { prepareList, capture, markRaw, withKey } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     let Comp1 = ctx['cp'].Comp;
@@ -748,7 +757,7 @@ exports[`can catch errors catching error, rethrow, render parent  -- a main comp
       let key1 = ctx['cp'].id;
       const v1 = ctx['cp'];
       const ctx1 = capture(ctx);
-      c_block1[i1] = withKey(component(\`ErrorHandler\`, {onError: ()=>this.cleanUp(v1.id),slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__2__\${key1}\`, node, ctx), key1);
+      c_block1[i1] = withKey(component(\`ErrorHandler\`, {onError: ()=>this.cleanUp(v1.id),slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2__\${key1}\`, node, ctx), key1);
     }
     return list(c_block1);
   }
@@ -808,7 +817,7 @@ exports[`can catch errors catching in child makes parent render 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { prepareList, capture, withKey } = helpers;
+  let { prepareList, capture, markRaw, withKey } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     let Comp1 = ctx['elem'][1];
@@ -823,7 +832,7 @@ exports[`can catch errors catching in child makes parent render 1`] = `
       let key1 = ctx['elem'][0];
       const v1 = ctx['elem'];
       const ctx1 = capture(ctx);
-      c_block1[i1] = withKey(component(\`Catch\`, {onError: (_error)=>this.onError(v1[0],_error),slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__2__\${key1}\`, node, ctx), key1);
+      c_block1[i1] = withKey(component(\`Catch\`, {onError: (_error)=>this.onError(v1[0],_error),slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2__\${key1}\`, node, ctx), key1);
     }
     return list(c_block1);
   }
@@ -873,6 +882,7 @@ exports[`can catch errors error in mounted on a component with a sibling (proper
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
   
@@ -882,7 +892,7 @@ exports[`can catch errors error in mounted on a component with a sibling (proper
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = component(\`OK\`, {}, key + \`__1\`, node, ctx);
-    let b4 = component(\`ErrorBoundary\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__3\`, node, ctx);
+    let b4 = component(\`ErrorBoundary\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__3\`, node, ctx);
     return block1([], [b2, b4]);
   }
 }"
diff --git a/tests/components/__snapshots__/lifecycle.test.ts.snap b/tests/components/__snapshots__/lifecycle.test.ts.snap
index d43ae107..ccc0413c 100644
--- a/tests/components/__snapshots__/lifecycle.test.ts.snap
+++ b/tests/components/__snapshots__/lifecycle.test.ts.snap
@@ -527,7 +527,7 @@ exports[`lifecycle hooks onWillRender 1`] = `
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {someValue: ctx['state'].value}, key + \`__1\`, node, ctx);
   }
 }"
 `;
diff --git a/tests/components/__snapshots__/refs.test.ts.snap b/tests/components/__snapshots__/refs.test.ts.snap
index d3fbe34d..bb44afbe 100644
--- a/tests/components/__snapshots__/refs.test.ts.snap
+++ b/tests/components/__snapshots__/refs.test.ts.snap
@@ -62,7 +62,7 @@ exports[`refs refs are properly bound in slots 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><span class=\\"counter\\"><block-text-0/></span><block-child-0/></div>\`);
   let block2 = createBlock(\`<button block-handler-0=\\"click\\" block-ref=\\"1\\">do something</button>\`);
@@ -77,7 +77,7 @@ exports[`refs refs are properly bound in slots 1`] = `
   return function template(ctx, node, key = \\"\\") {
     let txt1 = ctx['state'].val;
     const ctx1 = capture(ctx);
-    let b3 = component(\`Dialog\`, {slots: {'footer': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'footer': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([txt1], [b3]);
   }
 }"
diff --git a/tests/components/__snapshots__/rendering.test.ts.snap b/tests/components/__snapshots__/rendering.test.ts.snap
new file mode 100644
index 00000000..70dc1975
--- /dev/null
+++ b/tests/components/__snapshots__/rendering.test.ts.snap
@@ -0,0 +1,212 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`force render in case of existing render 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return component(\`B\`, {val: ctx['state'].val}, key + \`__1\`, node, ctx);
+  }
+}"
+`;
+
+exports[`force render in case of existing render 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2 = component(\`C\`, {}, key + \`__1\`, node, ctx);
+    let b3 = text(ctx['props'].val);
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`force render in case of existing render 3`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(\`C\`);
+  }
+}"
+`;
+
+exports[`rendering semantics can force a render to update sub tree 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2 = text(ctx['state'].value);
+    let b3 = component(\`Child\`, {}, key + \`__1\`, node, ctx);
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`rendering semantics can force a render to update sub tree 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(\`child\`);
+  }
+}"
+`;
+
+exports[`rendering semantics can render a parent without rendering child 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2 = text(ctx['state'].value);
+    let b3 = component(\`Child\`, {}, key + \`__1\`, node, ctx);
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`rendering semantics can render a parent without rendering child 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(\`child\`);
+  }
+}"
+`;
+
+exports[`rendering semantics props are reactive (nested prop) 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return component(\`Child\`, {a: ctx['state']}, key + \`__1\`, node, ctx);
+  }
+}"
+`;
+
+exports[`rendering semantics props are reactive (nested prop) 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(ctx['props'].a.b.c);
+  }
+}"
+`;
+
+exports[`rendering semantics props are reactive 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return component(\`Child\`, {a: ctx['state']}, key + \`__1\`, node, ctx);
+  }
+}"
+`;
+
+exports[`rendering semantics props are reactive 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(ctx['props'].a.b);
+  }
+}"
+`;
+
+exports[`rendering semantics render with deep=true followed by render with deep=false work as expected 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2 = text(\`parent\`);
+    let b3 = text(ctx['state'].value);
+    let b4 = component(\`Child\`, {}, key + \`__1\`, node, ctx);
+    return multi([b2, b3, b4]);
+  }
+}"
+`;
+
+exports[`rendering semantics render with deep=true followed by render with deep=false work as expected 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2 = text(\`child\`);
+    let b3 = text(ctx['env'].getValue());
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`rendering semantics rendering is atomic (for one subtree) 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2 = text(ctx['state'].obj.val);
+    let b3 = component(\`B\`, {obj: ctx['state'].obj}, key + \`__1\`, node, ctx);
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`rendering semantics rendering is atomic (for one subtree) 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return component(\`C\`, {obj: ctx['props'].obj}, key + \`__1\`, node, ctx);
+  }
+}"
+`;
+
+exports[`rendering semantics rendering is atomic (for one subtree) 3`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(ctx['props'].obj.val);
+  }
+}"
+`;
+
+exports[`rendering semantics works as expected for dynamic number of props 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return component(\`Child\`, Object.assign({}, ctx['state']), key + \`__1\`, node, ctx);
+  }
+}"
+`;
+
+exports[`rendering semantics works as expected for dynamic number of props 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(Object.keys(ctx['props']).length);
+  }
+}"
+`;
diff --git a/tests/components/__snapshots__/slots.test.ts.snap b/tests/components/__snapshots__/slots.test.ts.snap
index d97cd184..ccd3616d 100644
--- a/tests/components/__snapshots__/slots.test.ts.snap
+++ b/tests/components/__snapshots__/slots.test.ts.snap
@@ -37,7 +37,7 @@ exports[`slots can define and call slots 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<span>header</span>\`);
@@ -53,7 +53,7 @@ exports[`slots can define and call slots 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b4 = component(\`Dialog\`, {slots: {'header': {__render: slot1, __ctx: ctx1}, 'footer': {__render: slot2, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b4 = component(\`Dialog\`, {slots: markRaw({'header': {__render: slot1, __ctx: ctx1}, 'footer': {__render: slot2, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([], [b4]);
   }
 }"
@@ -79,7 +79,7 @@ exports[`slots can define and call slots with bound params 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, bind } = helpers;
+  let { capture, bind, markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return text(\`abc\`);
@@ -87,7 +87,7 @@ exports[`slots can define and call slots with bound params 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    return component(\`Child\`, {slots: {'abc': {__render: slot1, __ctx: ctx1, getValue: bind(ctx, ctx['getValue'])}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'abc': {__render: slot1, __ctx: ctx1, getValue: bind(ctx, ctx['getValue'])}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -110,7 +110,7 @@ exports[`slots can define and call slots with params 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<span>header</span>\`);
@@ -126,7 +126,7 @@ exports[`slots can define and call slots with params 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b4 = component(\`Dialog\`, {slots: {'header': {__render: slot1, __ctx: ctx1, param: ctx['var']}, 'footer': {__render: slot2, __ctx: ctx1, param: '5'}}}, key + \`__1\`, node, ctx);
+    let b4 = component(\`Dialog\`, {slots: markRaw({'header': {__render: slot1, __ctx: ctx1, param: ctx['var']}, 'footer': {__render: slot2, __ctx: ctx1, param: '5'}})}, key + \`__1\`, node, ctx);
     return block1([], [b4]);
   }
 }"
@@ -154,6 +154,7 @@ exports[`slots can render node with t-ref and Component in same slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block2 = createBlock(\`<div block-ref=\\"0\\"/>\`);
   
@@ -166,7 +167,7 @@ exports[`slots can render node with t-ref and Component in same slot 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
   }
 }"
 `;
@@ -276,6 +277,7 @@ exports[`slots content is the default slot (variation) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<span>sts rocks</span>\`);
   
@@ -284,7 +286,7 @@ exports[`slots content is the default slot (variation) 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -305,6 +307,7 @@ exports[`slots content is the default slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<span>sts rocks</span>\`);
@@ -314,7 +317,7 @@ exports[`slots content is the default slot 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -339,7 +342,7 @@ exports[`slots default content is not rendered if named slot is provided 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -349,7 +352,7 @@ exports[`slots default content is not rendered if named slot is provided 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b3 = component(\`Dialog\`, {slots: {'header': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'header': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -378,6 +381,7 @@ exports[`slots default content is not rendered if slot is provided 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -386,7 +390,7 @@ exports[`slots default content is not rendered if slot is provided 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -415,7 +419,7 @@ exports[`slots default slot next to named slot, with default content 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -425,7 +429,7 @@ exports[`slots default slot next to named slot, with default content 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b3 = component(\`Dialog\`, {slots: {'footer': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'footer': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -459,13 +463,14 @@ exports[`slots default slot with params with - in it 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return text(ctx['slotScope']['some-value']);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx, __scope: \\"slotScope\\"}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx, __scope: \\"slotScope\\"}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -486,6 +491,7 @@ exports[`slots default slot with slot scope: shorthand syntax 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -498,7 +504,7 @@ exports[`slots default slot with slot scope: shorthand syntax 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx, __scope: \\"slotScope\\"}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx, __scope: \\"slotScope\\"}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -522,13 +528,14 @@ exports[`slots default slot work with text nodes (variation) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return text(\`sts rocks\`);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -549,6 +556,7 @@ exports[`slots default slot work with text nodes 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -557,7 +565,7 @@ exports[`slots default slot work with text nodes 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -582,7 +590,7 @@ exports[`slots dynamic t-slot call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<p>slot1</p>\`);
@@ -601,7 +609,7 @@ exports[`slots dynamic t-slot call 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b6 = component(\`Toggler\`, {slots: {'slot1': {__render: slot1, __ctx: ctx1}, 'slot2': {__render: slot2, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b6 = component(\`Toggler\`, {slots: markRaw({'slot1': {__render: slot1, __ctx: ctx1}, 'slot2': {__render: slot2, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([], [b6]);
   }
 }"
@@ -628,7 +636,7 @@ exports[`slots dynamic t-slot call with default 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<p>slot1</p>\`);
@@ -647,7 +655,7 @@ exports[`slots dynamic t-slot call with default 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b6 = component(\`Toggler\`, {slots: {'slot1': {__render: slot1, __ctx: ctx1}, 'slot2': {__render: slot2, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b6 = component(\`Toggler\`, {slots: markRaw({'slot1': {__render: slot1, __ctx: ctx1}, 'slot2': {__render: slot2, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([], [b6]);
   }
 }"
@@ -677,13 +685,14 @@ exports[`slots fun: two calls to the same slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return text(\`some text\`);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -732,10 +741,120 @@ exports[`slots missing slots are ignored 2`] = `
 }"
 `;
 
+exports[`slots mix of slots, t-call, t-call with body, and giving own props child 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return component(\`P\`, {}, key + \`__1\`, node, ctx);
+  }
+}"
+`;
+
+exports[`slots mix of slots, t-call, t-call with body, and giving own props child 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  let block2 = createBlock(\`<button block-handler-0=\\"click\\">inc</button>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    let hdlr1 = [ctx['inc'], ctx];
+    let b2 = block2([hdlr1]);
+    let b3 = component(\`A\`, {number: ctx['state'].number}, key + \`__1\`, node, ctx);
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`slots mix of slots, t-call, t-call with body, and giving own props child 3`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { capture, getTemplate, markRaw } = helpers;
+  const callTemplate_1 = getTemplate(\`__template__1002\`);
+  
+  function slot1(ctx, node, key = \\"\\") {
+    let b2 = text(\`[A]\`);
+    let b3 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+    return multi([b2, b3]);
+  }
+  
+  return function template(ctx, node, key = \\"\\") {
+    const ctx1 = capture(ctx);
+    return component(\`B\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
+  }
+}"
+`;
+
+exports[`slots mix of slots, t-call, t-call with body, and giving own props child 4`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { isBoundary, withDefault, setContextValue, getTemplate } = helpers;
+  const callTemplate_1 = getTemplate(\`__template__1001\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    ctx = Object.create(ctx);
+    ctx[isBoundary] = 1
+    let b2 = text(\`[sub1] \`);
+    setContextValue(ctx, \\"dummy\\", ctx['validate']);
+    ctx = Object.create(ctx);
+    ctx[isBoundary] = 1;
+    setContextValue(ctx, \\"v\\", ctx['props'].number);
+    let b3 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`slots mix of slots, t-call, t-call with body, and giving own props child 5`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2 = text(\`[sub2\`);
+    let b3 = text(ctx['v']);
+    let b4 = text(\`]\`);
+    return multi([b2, b3, b4]);
+  }
+}"
+`;
+
+exports[`slots mix of slots, t-call, t-call with body, and giving own props child 6`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2 = text(\`[B]\`);
+    let b3 = component(\`C\`, {slots: ctx['props'].slots}, key + \`__1\`, node, ctx);
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`slots mix of slots, t-call, t-call with body, and giving own props child 7`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { callSlot } = helpers;
+  
+  return function template(ctx, node, key = \\"\\") {
+    let b2 = text(\`[C]\`);
+    let b3 = callSlot(ctx, node, key, 'default', false, {});
+    return multi([b2, b3]);
+  }
+}"
+`;
+
 exports[`slots multiple roots are allowed in a default slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<span>sts</span>\`);
@@ -748,7 +867,7 @@ exports[`slots multiple roots are allowed in a default slot 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b5 = component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    let b5 = component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
     return block1([], [b5]);
   }
 }"
@@ -773,7 +892,7 @@ exports[`slots multiple roots are allowed in a named slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block3 = createBlock(\`<span>sts</span>\`);
@@ -787,7 +906,7 @@ exports[`slots multiple roots are allowed in a named slot 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b5 = component(\`Dialog\`, {slots: {'content': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b5 = component(\`Dialog\`, {slots: markRaw({'content': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([], [b5]);
   }
 }"
@@ -812,7 +931,7 @@ exports[`slots multiple slots containing components 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return component(\`C\`, {val: 1}, key + \`__1\`, node, ctx);
@@ -824,7 +943,7 @@ exports[`slots multiple slots containing components 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    return component(\`B\`, {slots: {'s1': {__render: slot1, __ctx: ctx1}, 's2': {__render: slot2, __ctx: ctx1}}}, key + \`__3\`, node, ctx);
+    return component(\`B\`, {slots: markRaw({'s1': {__render: slot1, __ctx: ctx1}, 's2': {__render: slot2, __ctx: ctx1}})}, key + \`__3\`, node, ctx);
   }
 }"
 `;
@@ -863,7 +982,7 @@ exports[`slots named slot inside slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<p>A<block-text-0/></p>\`);
@@ -876,7 +995,7 @@ exports[`slots named slot inside slot 1`] = `
   
   function slot2(ctx, node, key = \\"\\") {
     const ctx2 = capture(ctx);
-    return component(\`Child\`, {slots: {'brol': {__render: slot3, __ctx: ctx2}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'brol': {__render: slot3, __ctx: ctx2}})}, key + \`__1\`, node, ctx);
   }
   
   function slot3(ctx, node, key = \\"\\") {
@@ -886,7 +1005,7 @@ exports[`slots named slot inside slot 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b5 = component(\`Child\`, {slots: {'brol': {__render: slot1, __ctx: ctx1}, 'default': {__render: slot2, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    let b5 = component(\`Child\`, {slots: markRaw({'brol': {__render: slot1, __ctx: ctx1}, 'default': {__render: slot2, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
     return block1([], [b5]);
   }
 }"
@@ -912,7 +1031,7 @@ exports[`slots named slot inside slot, part 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<p>A<block-text-0/></p>\`);
@@ -925,7 +1044,7 @@ exports[`slots named slot inside slot, part 3 1`] = `
   
   function slot2(ctx, node, key = \\"\\") {
     const ctx2 = capture(ctx);
-    return component(\`Child\`, {slots: {'brol': {__render: slot3, __ctx: ctx2}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'brol': {__render: slot3, __ctx: ctx2}})}, key + \`__1\`, node, ctx);
   }
   
   function slot3(ctx, node, key = \\"\\") {
@@ -935,7 +1054,7 @@ exports[`slots named slot inside slot, part 3 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b5 = component(\`Child\`, {slots: {'brol': {__render: slot1, __ctx: ctx1}, 'default': {__render: slot2, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    let b5 = component(\`Child\`, {slots: markRaw({'brol': {__render: slot1, __ctx: ctx1}, 'default': {__render: slot2, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
     return block1([], [b5]);
   }
 }"
@@ -994,7 +1113,7 @@ exports[`slots named slots inside slot, again 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<p>A<block-text-0/></p>\`);
@@ -1007,7 +1126,7 @@ exports[`slots named slots inside slot, again 1`] = `
   
   function slot2(ctx, node, key = \\"\\") {
     const ctx2 = capture(ctx);
-    return component(\`Child\`, {slots: {'brol2': {__render: slot3, __ctx: ctx2}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'brol2': {__render: slot3, __ctx: ctx2}})}, key + \`__1\`, node, ctx);
   }
   
   function slot3(ctx, node, key = \\"\\") {
@@ -1017,7 +1136,7 @@ exports[`slots named slots inside slot, again 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b5 = component(\`Child\`, {slots: {'brol1': {__render: slot1, __ctx: ctx1}, 'default': {__render: slot2, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    let b5 = component(\`Child\`, {slots: markRaw({'brol1': {__render: slot1, __ctx: ctx1}, 'default': {__render: slot2, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
     return block1([], [b5]);
   }
 }"
@@ -1052,11 +1171,12 @@ exports[`slots nested slots in same template 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<span id=\\"parent\\"><block-child-0/></span>\`);
   
   function slot1(ctx, node, key = \\"\\") {
-    return component(\`Child2\`, {slots: {'default': {__render: slot2, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    return component(\`Child2\`, {slots: markRaw({'default': {__render: slot2, __ctx: ctx}})}, key + \`__2\`, node, ctx);
   }
   
   function slot2(ctx, node, key = \\"\\") {
@@ -1064,7 +1184,7 @@ exports[`slots nested slots in same template 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b4 = component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__3\`, node, ctx);
+    let b4 = component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__3\`, node, ctx);
     return block1([], [b4]);
   }
 }"
@@ -1117,13 +1237,14 @@ exports[`slots nested slots: evaluation context and parented relationship 1`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return component(\`Slot\`, {val: ctx['state'].val}, key + \`__1\`, node, ctx);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
   }
 }"
 `;
@@ -1132,14 +1253,14 @@ exports[`slots nested slots: evaluation context and parented relationship 2`] =
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { callSlot } = helpers;
+  let { callSlot, markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return callSlot(ctx, node, key, 'default', false, {});
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`GrandChild\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`GrandChild\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -1203,13 +1324,14 @@ exports[`slots simple default slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return text(\`some text\`);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -1233,6 +1355,7 @@ exports[`slots simple default slot with params 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -1245,7 +1368,7 @@ exports[`slots simple default slot with params 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -1269,13 +1392,14 @@ exports[`slots simple default slot with params and bound function 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return text(ctx['slotScope'].fn());
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx, __scope: \\"slotScope\\"}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx, __scope: \\"slotScope\\"}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -1296,13 +1420,14 @@ exports[`slots simple default slot, variation 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return text(\`some text\`);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -1323,7 +1448,7 @@ exports[`slots simple slot with slot scope 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -1337,7 +1462,7 @@ exports[`slots simple slot with slot scope 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    return component(\`Child\`, {slots: {'slotName': {__render: slot1, __ctx: ctx1, __scope: \\"slotScope\\"}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'slotName': {__render: slot1, __ctx: ctx1, __scope: \\"slotScope\\"}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -1361,7 +1486,7 @@ exports[`slots slot and (inline) t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, getTemplate } = helpers;
+  let { capture, getTemplate, markRaw } = helpers;
   const callTemplate_1 = getTemplate(\`__template__999\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1372,7 +1497,7 @@ exports[`slots slot and (inline) t-call 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b3 = component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -1410,7 +1535,7 @@ exports[`slots slot and t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, getTemplate } = helpers;
+  let { capture, getTemplate, markRaw } = helpers;
   const callTemplate_1 = getTemplate(\`__template__999\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1421,7 +1546,7 @@ exports[`slots slot and t-call 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b3 = component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -1459,6 +1584,7 @@ exports[`slots slot and t-esc 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -1467,7 +1593,7 @@ exports[`slots slot and t-esc 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -1492,6 +1618,7 @@ exports[`slots slot are properly rendered if inner props are changed 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click\\">Inc[<block-text-1/>]</button><block-child-0/></div>\`);
   
@@ -1502,7 +1629,7 @@ exports[`slots slot are properly rendered if inner props are changed 1`] = `
   return function template(ctx, node, key = \\"\\") {
     let hdlr1 = [ctx['inc'], ctx];
     let txt1 = ctx['state'].val;
-    let b3 = component(\`GenericComponent\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`GenericComponent\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([hdlr1, txt1], [b3]);
   }
 }"
@@ -1541,13 +1668,14 @@ exports[`slots slot content has different key from other content -- dynamic slot
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return component(\`Child\`, {parent: 'Parent'}, key + \`__1\`, node, ctx);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`SlotDisplay\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    return component(\`SlotDisplay\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
   }
 }"
 `;
@@ -1585,13 +1713,14 @@ exports[`slots slot content has different key from other content -- static slot
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return component(\`Child\`, {parent: 'Parent'}, key + \`__1\`, node, ctx);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`SlotDisplay\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    return component(\`SlotDisplay\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
   }
 }"
 `;
@@ -1628,7 +1757,7 @@ exports[`slots slot content is bound to caller (variation) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, isBoundary, withDefault, setContextValue } = helpers;
+  let { capture, isBoundary, withDefault, setContextValue, markRaw } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">some text</button>\`);
   
@@ -1642,7 +1771,7 @@ exports[`slots slot content is bound to caller (variation) 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -1666,6 +1795,7 @@ exports[`slots slot content is bound to caller 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">some text</button>\`);
   
@@ -1675,7 +1805,7 @@ exports[`slots slot content is bound to caller 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -1699,6 +1829,7 @@ exports[`slots slot preserves properly parented relationship 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -1707,7 +1838,7 @@ exports[`slots slot preserves properly parented relationship 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -1740,7 +1871,7 @@ exports[`slots slot preserves properly parented relationship, even through t-cal
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, getTemplate } = helpers;
+  let { capture, getTemplate, markRaw } = helpers;
   const callTemplate_1 = getTemplate(\`sub\`);
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -1751,7 +1882,7 @@ exports[`slots slot preserves properly parented relationship, even through t-cal
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b3 = component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -1795,13 +1926,14 @@ exports[`slots slots and wrapper components 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return text(\`hey\`);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Link\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Link\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -1859,7 +1991,7 @@ exports[`slots slots are rendered with proper context 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><span class=\\"counter\\"><block-text-0/></span><block-child-0/></div>\`);
   let block2 = createBlock(\`<button block-handler-0=\\"click\\">do something</button>\`);
@@ -1872,7 +2004,7 @@ exports[`slots slots are rendered with proper context 1`] = `
   return function template(ctx, node, key = \\"\\") {
     let txt1 = ctx['state'].val;
     const ctx1 = capture(ctx);
-    let b3 = component(\`Dialog\`, {slots: {'footer': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'footer': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([txt1], [b3]);
   }
 }"
@@ -1897,7 +2029,7 @@ exports[`slots slots are rendered with proper context, part 2 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { prepareList, capture, withKey } = helpers;
+  let { prepareList, capture, markRaw, withKey } = helpers;
   
   let block1 = createBlock(\`<div><u><block-child-0/></u></div>\`);
   let block3 = createBlock(\`<li><block-child-0/></li>\`);
@@ -1915,7 +2047,7 @@ exports[`slots slots are rendered with proper context, part 2 1`] = `
       ctx[\`user\`] = v_block2[i1];
       let key1 = ctx['user'].id;
       const ctx1 = capture(ctx);
-      let b7 = component(\`Link\`, {to: '/user/'+ctx['user'].id,slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__1__\${key1}\`, node, ctx);
+      let b7 = component(\`Link\`, {to: '/user/'+ctx['user'].id,slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1__\${key1}\`, node, ctx);
       c_block2[i1] = withKey(block3([], [b7]), key1);
     }
     let b2 = list(c_block2);
@@ -1944,7 +2076,7 @@ exports[`slots slots are rendered with proper context, part 3 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { prepareList, isBoundary, withDefault, setContextValue, capture, withKey } = helpers;
+  let { prepareList, isBoundary, withDefault, setContextValue, capture, markRaw, withKey } = helpers;
   
   let block1 = createBlock(\`<div><u><block-child-0/></u></div>\`);
   let block3 = createBlock(\`<li><block-child-0/></li>\`);
@@ -1963,7 +2095,7 @@ exports[`slots slots are rendered with proper context, part 3 1`] = `
       let key1 = ctx['user'].id;
       setContextValue(ctx, \\"userdescr\\", 'User '+ctx['user'].name);
       const ctx1 = capture(ctx);
-      let b5 = component(\`Link\`, {to: '/user/'+ctx['user'].id,slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__1__\${key1}\`, node, ctx);
+      let b5 = component(\`Link\`, {to: '/user/'+ctx['user'].id,slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1__\${key1}\`, node, ctx);
       c_block2[i1] = withKey(block3([], [b5]), key1);
     }
     let b2 = list(c_block2);
@@ -1992,7 +2124,7 @@ exports[`slots slots are rendered with proper context, part 4 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { isBoundary, withDefault, setContextValue, capture } = helpers;
+  let { isBoundary, withDefault, setContextValue, capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -2005,7 +2137,7 @@ exports[`slots slots are rendered with proper context, part 4 1`] = `
     ctx[isBoundary] = 1
     setContextValue(ctx, \\"userdescr\\", 'User '+ctx['state'].user.name);
     const ctx1 = capture(ctx);
-    let b3 = component(\`Link\`, {to: '/user/'+ctx['state'].user.id,slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Link\`, {to: '/user/'+ctx['state'].user.id,slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -2031,7 +2163,7 @@ exports[`slots slots in slots, with vars 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { isBoundary, withDefault, setContextValue, capture } = helpers;
+  let { isBoundary, withDefault, setContextValue, capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block2 = createBlock(\`<p>hey<block-text-0/></p>\`);
@@ -2046,7 +2178,7 @@ exports[`slots slots in slots, with vars 1`] = `
     ctx[isBoundary] = 1
     setContextValue(ctx, \\"test\\", ctx['state'].name);
     const ctx1 = capture(ctx);
-    let b3 = component(\`A\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`A\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -2056,7 +2188,7 @@ exports[`slots slots in slots, with vars 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { callSlot } = helpers;
+  let { callSlot, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -2065,7 +2197,7 @@ exports[`slots slots in slots, with vars 2`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`B\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`B\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -2090,7 +2222,7 @@ exports[`slots slots in t-foreach and re-rendering 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { prepareList, capture, withKey } = helpers;
+  let { prepareList, capture, markRaw, withKey } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -2106,7 +2238,7 @@ exports[`slots slots in t-foreach and re-rendering 1`] = `
       ctx[\`n_index\`] = i1;
       let key1 = ctx['n_index'];
       const ctx1 = capture(ctx);
-      c_block2[i1] = withKey(component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__1__\${key1}\`, node, ctx), key1);
+      c_block2[i1] = withKey(component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1__\${key1}\`, node, ctx), key1);
     }
     let b2 = list(c_block2);
     return block1([], [b2]);
@@ -2134,7 +2266,7 @@ exports[`slots slots in t-foreach in t-foreach 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { prepareList, capture, withKey } = helpers;
+  let { prepareList, capture, markRaw, withKey } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   let block4 = createBlock(\`<div><block-text-0/></div>\`);
@@ -2160,7 +2292,7 @@ exports[`slots slots in t-foreach in t-foreach 1`] = `
         ctx[\`node2\`] = v_block6[i2];
         let key2 = ctx['node2'].key;
         const ctx1 = capture(ctx);
-        c_block6[i2] = withKey(component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__1__\${key1}__\${key2}\`, node, ctx), key2);
+        c_block6[i2] = withKey(component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1__\${key1}__\${key2}\`, node, ctx), key2);
       }
       ctx = ctx.__proto__;
       let b6 = list(c_block6);
@@ -2192,7 +2324,7 @@ exports[`slots slots in t-foreach with t-set and re-rendering 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { prepareList, isBoundary, withDefault, setContextValue, capture, withKey } = helpers;
+  let { prepareList, isBoundary, withDefault, setContextValue, capture, markRaw, withKey } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -2211,7 +2343,7 @@ exports[`slots slots in t-foreach with t-set and re-rendering 1`] = `
       let key1 = ctx['n_index'];
       setContextValue(ctx, \\"dummy\\", ctx['n_index']);
       const ctx1 = capture(ctx);
-      c_block2[i1] = withKey(component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__1__\${key1}\`, node, ctx), key1);
+      c_block2[i1] = withKey(component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1__\${key1}\`, node, ctx), key1);
     }
     let b2 = list(c_block2);
     return block1([], [b2]);
@@ -2239,7 +2371,7 @@ exports[`slots t-debug on a t-set-slot (defining a slot) 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture } = helpers;
+  let { capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -2250,7 +2382,7 @@ exports[`slots t-debug on a t-set-slot (defining a slot) 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b3 = component(\`Dialog\`, {slots: {'content': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'content': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -2275,7 +2407,7 @@ exports[`slots t-set t-value in a slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, isBoundary, withDefault, setContextValue } = helpers;
+  let { capture, isBoundary, withDefault, setContextValue, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -2288,7 +2420,7 @@ exports[`slots t-set t-value in a slot 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b3 = component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -2313,7 +2445,7 @@ exports[`slots t-slot in recursive templates 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, prepareList, isBoundary, withDefault, setContextValue, getTemplate, withKey } = helpers;
+  let { capture, prepareList, isBoundary, withDefault, setContextValue, getTemplate, withKey, markRaw } = helpers;
   const callTemplate_1 = getTemplate(\`_test_recursive_template\`);
   
   function slot1(ctx, node, key = \\"\\") {
@@ -2349,7 +2481,7 @@ exports[`slots t-slot in recursive templates 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    return component(\`Wrapper\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    return component(\`Wrapper\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
   }
 }"
 `;
@@ -2373,6 +2505,7 @@ exports[`slots t-slot nested within another slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<span id=\\"c1\\"><block-child-0/></span>\`);
   
@@ -2381,7 +2514,7 @@ exports[`slots t-slot nested within another slot 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -2391,12 +2524,12 @@ exports[`slots t-slot nested within another slot 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { callSlot } = helpers;
+  let { callSlot, markRaw } = helpers;
   
   let block1 = createBlock(\`<span id=\\"c2\\"><block-child-0/></span>\`);
   
   function slot1(ctx, node, key = \\"\\") {
-    return component(\`Portal\`, {slots: {'default': {__render: slot2, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Portal\`, {slots: markRaw({'default': {__render: slot2, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
   
   function slot2(ctx, node, key = \\"\\") {
@@ -2404,7 +2537,7 @@ exports[`slots t-slot nested within another slot 2`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b4 = component(\`Modal\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b4 = component(\`Modal\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([], [b4]);
   }
 }"
@@ -2457,6 +2590,7 @@ exports[`slots t-slot scope context 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<button>The Button</button>\`);
   
@@ -2465,7 +2599,7 @@ exports[`slots t-slot scope context 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Dialog\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Dialog\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -2474,7 +2608,7 @@ exports[`slots t-slot scope context 2`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { callSlot } = helpers;
+  let { callSlot, markRaw } = helpers;
   
   let block1 = createBlock(\`<div block-handler-0=\\"click\\"><block-child-0/></div>\`);
   
@@ -2485,7 +2619,7 @@ exports[`slots t-slot scope context 2`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return component(\`Wrapper\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    return component(\`Wrapper\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
   }
 }"
 `;
@@ -2506,7 +2640,7 @@ exports[`slots t-slot within dynamic t-call 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, call } = helpers;
+  let { capture, call, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -2517,7 +2651,7 @@ exports[`slots t-slot within dynamic t-call 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    let b3 = component(\`Slotted\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`Slotted\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
@@ -2569,6 +2703,7 @@ exports[`slots template can just return a slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -2577,7 +2712,7 @@ exports[`slots template can just return a slot 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`SlotComponent\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`SlotComponent\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
diff --git a/tests/components/__snapshots__/t_set.test.ts.snap b/tests/components/__snapshots__/t_set.test.ts.snap
index 7e9c7128..3f84d47a 100644
--- a/tests/components/__snapshots__/t_set.test.ts.snap
+++ b/tests/components/__snapshots__/t_set.test.ts.snap
@@ -4,7 +4,7 @@ exports[`t-set slot setted value (with t-set) not accessible with t-esc 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { isBoundary, withDefault, setContextValue, capture } = helpers;
+  let { isBoundary, withDefault, setContextValue, capture, markRaw } = helpers;
   
   let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/><p><block-text-1/></p></div>\`);
   
@@ -21,7 +21,7 @@ exports[`t-set slot setted value (with t-set) not accessible with t-esc 1`] = `
     setContextValue(ctx, \\"iter\\", 'source');
     let txt1 = ctx['iter'];
     const ctx1 = capture(ctx);
-    let b2 = component(\`Childcomp\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__1\`, node, ctx);
+    let b2 = component(\`Childcomp\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, ctx);
     let txt2 = ctx['iter'];
     return block1([txt1, txt2], [b2]);
   }
@@ -51,7 +51,7 @@ exports[`t-set slots with a t-set with a component in body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, isBoundary, withDefault, LazyValue, safeOutput } = helpers;
+  let { capture, isBoundary, withDefault, LazyValue, safeOutput, markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -68,7 +68,7 @@ exports[`t-set slots with a t-set with a component in body 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
   }
 }"
 `;
@@ -102,7 +102,7 @@ exports[`t-set slots with an t-set with a component in body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, isBoundary, withDefault, LazyValue, safeOutput } = helpers;
+  let { capture, isBoundary, withDefault, LazyValue, safeOutput, markRaw } = helpers;
   
   let block4 = createBlock(\`<div>coffee</div>\`);
   
@@ -123,7 +123,7 @@ exports[`t-set slots with an t-set with a component in body 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    return component(\`Blorg\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    return component(\`Blorg\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
   }
 }"
 `;
@@ -157,7 +157,7 @@ exports[`t-set slots with an unused t-set with a component in body 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
-  let { capture, isBoundary, withDefault, LazyValue } = helpers;
+  let { capture, isBoundary, withDefault, LazyValue, markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -172,7 +172,7 @@ exports[`t-set slots with an unused t-set with a component in body 1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     const ctx1 = capture(ctx);
-    return component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx1}}}, key + \`__2\`, node, ctx);
+    return component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, ctx);
   }
 }"
 `;
diff --git a/tests/components/basics.test.ts b/tests/components/basics.test.ts
index a07ebf42..3d5ccb43 100644
--- a/tests/components/basics.test.ts
+++ b/tests/components/basics.test.ts
@@ -1,4 +1,4 @@
-import { App, Component, mount, status, useState, xml } from "../../src";
+import { App, Component, mount, status, toRaw, useState, xml } from "../../src";
 import { elem, makeTestFixture, nextTick, snapshotEverything, useLogLifecycle } from "../helpers";
 import { markup } from "../../src/utils";
 
@@ -121,7 +121,7 @@ describe("basics", () => {
     class Test extends Component {
       static template = xml`<span>simple vnode</span>`;
       setup() {
-        expect(this.props).toBe(p);
+        expect(toRaw(this.props)).toBe(p);
       }
     }
 
diff --git a/tests/components/concurrency.test.ts b/tests/components/concurrency.test.ts
index 02ee1912..106265ba 100644
--- a/tests/components/concurrency.test.ts
+++ b/tests/components/concurrency.test.ts
@@ -39,6 +39,8 @@ Scheduler.prototype.addFiber = function (fiber: Fiber) {
 
 afterEach(() => {
   if (lastScheduler && lastScheduler.tasks.size > 0) {
+    // we still clear the scheduler to prevent additional noise
+    lastScheduler.tasks.clear();
     throw new Error("we got a memory leak...");
   }
 });
@@ -131,6 +133,58 @@ test("destroying/recreating a subwidget with different props (if start is not ov
   ]).toBeLogged();
 });
 
+test("destroying/recreating a subcomponent, other scenario", async () => {
+  let flag = false;
+
+  class Child extends Component {
+    static template = xml`child`;
+    setup() {
+      if (!flag) {
+        flag = true;
+        parent.render(true);
+      }
+      useLogLifecycle();
+    }
+  }
+
+  class Parent extends Component {
+    static template = xml`parent<Child t-if="state.hasChild"/>`;
+    static components = { Child };
+    state = useState({ hasChild: false });
+    setup() {
+      useLogLifecycle();
+    }
+  }
+
+  const parent = await mount(Parent, fixture);
+
+  expect([
+    "Parent:setup",
+    "Parent:willStart",
+    "Parent:willRender",
+    "Parent:rendered",
+    "Parent:mounted",
+  ]).toBeLogged();
+  expect(fixture.innerHTML).toBe("parent");
+
+  parent.state.hasChild = true;
+
+  await nextTick();
+  expect([
+    "Parent:willRender",
+    "Child:setup",
+    "Child:willStart",
+    "Parent:rendered",
+    "Child:willRender",
+    "Child:rendered",
+    "Parent:willPatch",
+    "Child:mounted",
+    "Parent:patched",
+  ]).toBeLogged();
+
+  expect(fixture.innerHTML).toBe("parentchild");
+});
+
 test("creating two async components, scenario 1", async () => {
   let defA = makeDeferred();
   let defB = makeDeferred();
@@ -521,7 +575,7 @@ test("properly behave when destroyed/unmounted while rendering ", async () => {
   }
 
   class Child extends Component {
-    static template = xml`<div><SubChild /></div>`;
+    static template = xml`<div><SubChild val="props.val"/></div>`;
     static components = { SubChild };
     setup() {
       useLogLifecycle();
@@ -1907,18 +1961,13 @@ test("concurrent renderings scenario 13", async () => {
   await nextTick(); // wait for this change to be applied
   expect([
     "Parent:willRender",
-    "Child:willUpdateProps",
     "Child:setup",
     "Child:willStart",
     "Parent:rendered",
     "Child:willRender",
     "Child:rendered",
-    "Child:willRender",
-    "Child:rendered",
     "Parent:willPatch",
-    "Child:willPatch",
     "Child:mounted",
-    "Child:patched",
     "Parent:patched",
     "Child:willRender",
     "Child:rendered",
@@ -2472,9 +2521,9 @@ test("two renderings initiated between willPatch and patched", async () => {
       useLogLifecycle();
       onMounted(() => {
         this.mounted = "Mounted";
-        parent.render();
+        parent.render(true);
       });
-      onWillUnmount(() => parent.render());
+      onWillUnmount(() => parent.render(true));
     }
   }
 
@@ -2507,15 +2556,11 @@ test("two renderings initiated between willPatch and patched", async () => {
     "Parent:rendered",
   ]).toBeLogged();
 
+  await nextMicroTick();
+  expect(["Panel:willRender", "Panel:rendered"]).toBeLogged();
+
   await nextTick();
-  expect([
-    "Panel:willRender",
-    "Panel:rendered",
-    "Parent:willPatch",
-    "Panel:willPatch",
-    "Panel:patched",
-    "Parent:patched",
-  ]).toBeLogged();
+  expect(["Parent:willPatch", "Panel:willPatch", "Panel:patched", "Parent:patched"]).toBeLogged();
   expect(fixture.innerHTML).toBe("<div><abc>Panel1Mounted</abc></div>");
 
   parent.state.panel = "Panel2";
@@ -2753,12 +2798,20 @@ test("delay willUpdateProps with rendering grandchild", async () => {
     static template = xml`<Parent state="state"/>`;
     static components = { Parent };
     state = { value: 0 };
+    setup() {
+      useLogLifecycle();
+    }
   }
+
   const parent = await mount(GrandParent, fixture);
   expect(fixture.innerHTML).toBe("0_0<div></div>");
   expect([
+    "GrandParent:setup",
+    "GrandParent:willStart",
+    "GrandParent:willRender",
     "Parent:setup",
     "Parent:willStart",
+    "GrandParent:rendered",
     "Parent:willRender",
     "DelayedChild:setup",
     "DelayedChild:willStart",
@@ -2772,20 +2825,23 @@ test("delay willUpdateProps with rendering grandchild", async () => {
     "ReactiveChild:mounted",
     "DelayedChild:mounted",
     "Parent:mounted",
+    "GrandParent:mounted",
   ]).toBeLogged();
 
   promise = makeDeferred();
   const prom1 = promise;
   parent.state.value = 1;
   child.render(); // trigger a root rendering first
-  parent.render();
+  parent.render(true);
   reactiveChild.render();
   await nextTick();
   expect(fixture.innerHTML).toBe("0_0<div></div>");
   expect([
     "DelayedChild:willRender",
     "DelayedChild:rendered",
+    "GrandParent:willRender",
     "Parent:willUpdateProps",
+    "GrandParent:rendered",
     "ReactiveChild:willRender",
     "ReactiveChild:rendered",
     "Parent:willRender",
@@ -2800,12 +2856,14 @@ test("delay willUpdateProps with rendering grandchild", async () => {
   const prom2 = promise;
   child.render(); // trigger a root rendering first
   parent.state.value = 2;
-  parent.render();
+  parent.render(true);
   reactiveChild.render();
   await nextTick();
   expect(fixture.innerHTML).toBe("0_0<div></div>");
   expect([
+    "GrandParent:willRender",
     "Parent:willUpdateProps",
+    "GrandParent:rendered",
     "ReactiveChild:willRender",
     "ReactiveChild:rendered",
     "Parent:willRender",
@@ -2822,12 +2880,14 @@ test("delay willUpdateProps with rendering grandchild", async () => {
   expect([
     "DelayedChild:willRender",
     "DelayedChild:rendered",
+    "GrandParent:willPatch",
     "Parent:willPatch",
     "ReactiveChild:willPatch",
     "DelayedChild:willPatch",
     "DelayedChild:patched",
     "ReactiveChild:patched",
     "Parent:patched",
+    "GrandParent:patched",
   ]).toBeLogged();
 
   prom1.resolve();
diff --git a/tests/components/hooks.test.ts b/tests/components/hooks.test.ts
index 23515c7b..9c6cbd56 100644
--- a/tests/components/hooks.test.ts
+++ b/tests/components/hooks.test.ts
@@ -238,7 +238,7 @@ describe("hooks", () => {
     expect(fixture.innerHTML).toBe("<div>maggot brain</div>");
     someVal = "brain";
     someVal2 = "maggot";
-    component.render();
+    component.render(true);
     await nextTick();
     expect(fixture.innerHTML).toBe("<div>brain maggot</div>");
   });
@@ -272,7 +272,7 @@ describe("hooks", () => {
     expect(fixture.innerHTML).toBe("<div>maggot brain</div>");
     someVal = "brain";
     someVal2 = "maggot";
-    component.render();
+    component.render(true);
     await nextTick();
     expect(fixture.innerHTML).toBe("<div>brain maggot</div>");
   });
diff --git a/tests/components/lifecycle.test.ts b/tests/components/lifecycle.test.ts
index 6545cdc2..8900839f 100644
--- a/tests/components/lifecycle.test.ts
+++ b/tests/components/lifecycle.test.ts
@@ -849,8 +849,9 @@ describe("lifecycle hooks", () => {
 
     class Parent extends Component {
       static template = xml`
-        <Child />`;
+        <Child someValue="state.value" />`;
       static components = { Child };
+      state = useState({ value: 1 });
       setup() {
         useLogLifecycle();
       }
@@ -871,7 +872,7 @@ describe("lifecycle hooks", () => {
       "Parent:mounted",
     ]).toBeLogged();
 
-    parent.render(); // to block child render
+    parent.state.value++; // to block child render
     await nextTick();
     expect(["Parent:willRender", "Child:willUpdateProps", "Parent:rendered"]).toBeLogged();
 
@@ -1008,20 +1009,15 @@ describe("lifecycle hooks", () => {
     await nextTick();
     expect([
       "C:willRender",
-      "D:willUpdateProps",
       "F:setup",
       "F:willStart",
       "C:rendered",
-      "D:willRender",
-      "D:rendered",
       "F:willRender",
       "F:rendered",
       "C:willPatch",
-      "D:willPatch",
       "E:willUnmount",
       "E:willDestroy",
       "F:mounted",
-      "D:patched",
       "C:patched",
     ]).toBeLogged();
   });
diff --git a/tests/components/rendering.test.ts b/tests/components/rendering.test.ts
new file mode 100644
index 00000000..ab785364
--- /dev/null
+++ b/tests/components/rendering.test.ts
@@ -0,0 +1,442 @@
+import { Component, mount, onRendered, onWillUpdateProps, useState, xml } from "../../src";
+import {
+  makeTestFixture,
+  snapshotEverything,
+  nextTick,
+  useLogLifecycle,
+  makeDeferred,
+  nextMicroTick,
+} from "../helpers";
+
+let fixture: HTMLElement;
+
+snapshotEverything();
+
+beforeEach(() => {
+  fixture = makeTestFixture();
+});
+
+describe("rendering semantics", () => {
+  test("can render a parent without rendering child", async () => {
+    class Child extends Component {
+      static template = xml`child`;
+      setup() {
+        useLogLifecycle();
+      }
+    }
+
+    class Parent extends Component {
+      static template = xml`
+        <t t-esc="state.value"/>
+        <Child/>
+      `;
+      static components = { Child };
+
+      state = useState({ value: "A" });
+      setup() {
+        useLogLifecycle();
+      }
+    }
+
+    const parent = await mount(Parent, fixture);
+
+    expect(fixture.innerHTML).toBe("Achild");
+    expect([
+      "Parent:setup",
+      "Parent:willStart",
+      "Parent:willRender",
+      "Child:setup",
+      "Child:willStart",
+      "Parent:rendered",
+      "Child:willRender",
+      "Child:rendered",
+      "Child:mounted",
+      "Parent:mounted",
+    ]).toBeLogged();
+
+    parent.state.value = "B";
+    await nextTick();
+    expect(fixture.innerHTML).toBe("Bchild");
+    expect([
+      "Parent:willRender",
+      "Parent:rendered",
+      "Parent:willPatch",
+      "Parent:patched",
+    ]).toBeLogged();
+  });
+
+  test("can force a render to update sub tree", async () => {
+    let childN = 0;
+    let parentN = 0;
+    class Child extends Component {
+      static template = xml`child`;
+      setup() {
+        onRendered(() => childN++);
+      }
+    }
+
+    class Parent extends Component {
+      static template = xml`
+        <t t-esc="state.value"/>
+        <Child/>
+      `;
+      static components = { Child };
+
+      state = { value: "A" };
+      setup() {
+        onRendered(() => parentN++);
+      }
+    }
+
+    const parent = await mount(Parent, fixture);
+
+    expect(fixture.innerHTML).toBe("Achild");
+    expect(parentN).toBe(1);
+    expect(childN).toBe(1);
+
+    parent.state.value = "B";
+    parent.render(true);
+    await nextTick();
+    expect(fixture.innerHTML).toBe("Bchild");
+    expect(parentN).toBe(2);
+    expect(childN).toBe(2);
+  });
+
+  test("render with deep=true followed by render with deep=false work as expected", async () => {
+    class Child extends Component {
+      static template = xml`child<t t-esc="env.getValue()"/>`;
+      setup() {
+        useLogLifecycle();
+      }
+    }
+
+    class Parent extends Component {
+      static template = xml`parent<t t-esc="state.value"/><Child/>`;
+      static components = { Child };
+
+      state = useState({ value: "A" });
+
+      setup() {
+        useLogLifecycle();
+      }
+    }
+    let value = 3;
+    const env = {
+      getValue() {
+        return value;
+      },
+    };
+
+    const parent = await mount(Parent, fixture, { env });
+
+    expect(fixture.innerHTML).toBe("parentAchild3");
+    expect([
+      "Parent:setup",
+      "Parent:willStart",
+      "Parent:willRender",
+      "Child:setup",
+      "Child:willStart",
+      "Parent:rendered",
+      "Child:willRender",
+      "Child:rendered",
+      "Child:mounted",
+      "Parent:mounted",
+    ]).toBeLogged();
+
+    value = 4;
+    parent.render(true);
+
+    // wait for child to be rendered, but dom not yet patched
+    await nextMicroTick();
+    await nextMicroTick();
+    await nextMicroTick();
+    expect([
+      "Parent:willRender",
+      "Child:willUpdateProps",
+      "Parent:rendered",
+      "Child:willRender",
+      "Child:rendered",
+    ]).toBeLogged();
+
+    parent.state.value = "B";
+
+    await nextTick();
+
+    expect(fixture.innerHTML).toBe("parentBchild4");
+    expect([
+      "Parent:willRender",
+      "Child:willUpdateProps",
+      "Parent:rendered",
+      "Child:willRender",
+      "Child:rendered",
+      "Parent:willPatch",
+      "Child:willPatch",
+      "Child:patched",
+      "Parent:patched",
+    ]).toBeLogged();
+  });
+
+  test("props are reactive", async () => {
+    class Child extends Component {
+      static template = xml`<t t-esc="props.a.b"/>`;
+      setup() {
+        useLogLifecycle();
+      }
+    }
+
+    class Parent extends Component {
+      static template = xml`
+        <Child a="state"/>
+      `;
+      static components = { Child };
+
+      state = useState({ b: 1 });
+      setup() {
+        useLogLifecycle();
+      }
+    }
+
+    const parent = await mount(Parent, fixture);
+    expect(fixture.innerHTML).toBe("1");
+    expect([
+      "Parent:setup",
+      "Parent:willStart",
+      "Parent:willRender",
+      "Child:setup",
+      "Child:willStart",
+      "Parent:rendered",
+      "Child:willRender",
+      "Child:rendered",
+      "Child:mounted",
+      "Parent:mounted",
+    ]).toBeLogged();
+
+    parent.state.b = 3;
+    await nextTick();
+    expect(fixture.innerHTML).toBe("3");
+    expect(["Child:willRender", "Child:rendered", "Child:willPatch", "Child:patched"]).toBeLogged();
+  });
+
+  test("props are reactive (nested prop)", async () => {
+    class Child extends Component {
+      static template = xml`<t t-esc="props.a.b.c"/>`;
+
+      setup() {
+        useLogLifecycle();
+      }
+    }
+
+    class Parent extends Component {
+      static template = xml`
+        <Child a="state"/>
+      `;
+      static components = { Child };
+
+      state = useState({ b: { c: 1 } });
+
+      setup() {
+        useLogLifecycle();
+      }
+    }
+
+    const parent = await mount(Parent, fixture);
+    expect(fixture.innerHTML).toBe("1");
+    expect([
+      "Parent:setup",
+      "Parent:willStart",
+      "Parent:willRender",
+      "Child:setup",
+      "Child:willStart",
+      "Parent:rendered",
+      "Child:willRender",
+      "Child:rendered",
+      "Child:mounted",
+      "Parent:mounted",
+    ]).toBeLogged();
+
+    parent.state.b.c = 3; // parent is now subscribed to 'b' key
+    await nextTick();
+    expect(fixture.innerHTML).toBe("3");
+    expect(["Child:willRender", "Child:rendered", "Child:willPatch", "Child:patched"]).toBeLogged();
+
+    parent.state.b = { c: 444 }; // triggers a parent and a child render
+    await nextTick();
+    expect(fixture.innerHTML).toBe("444");
+    expect([
+      "Parent:willRender",
+      "Parent:rendered",
+      "Child:willRender",
+      "Child:rendered",
+      "Parent:willPatch",
+      "Parent:patched",
+      "Child:willPatch",
+      "Child:patched",
+    ]).toBeLogged();
+  });
+
+  test("works as expected for dynamic number of props", async () => {
+    class Child extends Component {
+      static template = xml`<t t-esc="Object.keys(props).length"/>`;
+    }
+
+    class Parent extends Component {
+      static template = xml`
+        <Child t-props="state"/>
+      `;
+      static components = { Child };
+
+      state: any = useState({ b: 1 });
+    }
+
+    const parent = await mount(Parent, fixture);
+    expect(fixture.innerHTML).toBe("1");
+    parent.state.newkey = 3;
+    await nextTick();
+    expect(fixture.innerHTML).toBe("2");
+  });
+
+  test("rendering is atomic (for one subtree)", async () => {
+    const def = makeDeferred();
+
+    class C extends Component {
+      static template = xml`<t t-esc="props.obj.val"/>`;
+
+      setup() {
+        useLogLifecycle();
+      }
+    }
+
+    class B extends Component {
+      static template = xml`<C obj="props.obj"/>`;
+      static components = { C };
+
+      setup() {
+        useLogLifecycle();
+        onWillUpdateProps(() => def);
+      }
+    }
+
+    class A extends Component {
+      static template = xml`<t t-esc="state.obj.val"/><B obj="state.obj"/>`;
+      static components = { B };
+
+      state = useState({ obj: { val: 1 } });
+
+      setup() {
+        useLogLifecycle();
+      }
+    }
+
+    const parent = await mount(A, fixture);
+    expect(fixture.innerHTML).toBe("11");
+    expect([
+      "A:setup",
+      "A:willStart",
+      "A:willRender",
+      "B:setup",
+      "B:willStart",
+      "A:rendered",
+      "B:willRender",
+      "C:setup",
+      "C:willStart",
+      "B:rendered",
+      "C:willRender",
+      "C:rendered",
+      "C:mounted",
+      "B:mounted",
+      "A:mounted",
+    ]).toBeLogged();
+
+    parent.state.obj.val = 3;
+    await nextTick();
+    expect(fixture.innerHTML).toBe("33");
+    expect([
+      "A:willRender",
+      "A:rendered",
+      "C:willRender",
+      "C:rendered",
+      "A:willPatch",
+      "A:patched",
+      "C:willPatch",
+      "C:patched",
+    ]).toBeLogged();
+
+    def.resolve();
+    await nextTick();
+    expect([]).toBeLogged();
+  });
+});
+
+test("force render in case of existing render", async () => {
+  const def = makeDeferred();
+
+  class C extends Component {
+    static template = xml`C`;
+    setup() {
+      useLogLifecycle();
+    }
+  }
+  class B extends Component {
+    static template = xml`<C/><t t-esc="props.val"/>`;
+    static components = { C };
+    setup() {
+      useLogLifecycle();
+      onWillUpdateProps(() => def);
+    }
+  }
+  class A extends Component {
+    static template = xml`<B val="state.val"/>`;
+    static components = { B };
+    state = useState({ val: 1 });
+    setup() {
+      useLogLifecycle();
+    }
+  }
+  const parent = await mount(A, fixture);
+  expect(fixture.innerHTML).toBe("C1");
+  expect([
+    "A:setup",
+    "A:willStart",
+    "A:willRender",
+    "B:setup",
+    "B:willStart",
+    "A:rendered",
+    "B:willRender",
+    "C:setup",
+    "C:willStart",
+    "B:rendered",
+    "C:willRender",
+    "C:rendered",
+    "C:mounted",
+    "B:mounted",
+    "A:mounted",
+  ]).toBeLogged();
+
+  // trigger a new rendering, blocked in B
+  parent.state.val = 2;
+  await nextTick();
+  expect(["A:willRender", "B:willUpdateProps", "A:rendered"]).toBeLogged();
+
+  // initiate a new render with deep=true. it should cancel the current render
+  // and also be blocked in B
+  parent.render(true);
+  await nextTick();
+  expect(["A:willRender", "B:willUpdateProps", "A:rendered"]).toBeLogged();
+
+  def.resolve();
+  await nextTick();
+  // we check here that the render reaches C (so, that it was properly forced)
+  expect([
+    "B:willRender",
+    "C:willUpdateProps",
+    "B:rendered",
+    "C:willRender",
+    "C:rendered",
+    "A:willPatch",
+    "B:willPatch",
+    "C:willPatch",
+    "C:patched",
+    "B:patched",
+    "A:patched",
+  ]).toBeLogged();
+});
diff --git a/tests/components/slots.test.ts b/tests/components/slots.test.ts
index 7f22f53a..729b2fda 100644
--- a/tests/components/slots.test.ts
+++ b/tests/components/slots.test.ts
@@ -1675,4 +1675,60 @@ describe("slots", () => {
     await mount(Parent, fixture);
     expect(fixture.innerHTML).toBe("<div>SlotDisplay</div><div>Parent</div>");
   });
+
+  test("mix of slots, t-call, t-call with body, and giving own props child", async () => {
+    expect.assertions(11);
+
+    class C extends Component {
+      static template = xml`[C]<t t-slot="default" />`;
+    }
+    class B extends Component {
+      static template = xml`[B]<C slots="props.slots" />`;
+      static components = { C };
+    }
+
+    const subTemplate2 = xml`[sub2<t t-esc="v"/>]`;
+    const subTemplate1 = xml`[sub1]
+      <t t-set="dummy" t-value="validate"/>
+      <t t-call="${subTemplate2}">
+        <t t-set="v" t-value="props.number"/>
+      </t>`;
+
+    let a: any;
+    class A extends Component {
+      static components = { B };
+      static template = xml`<B>[A]<t t-call="${subTemplate1}"/></B>`;
+      setup() {
+        a = this;
+      }
+
+      get validate() {
+        // we check here that the actual component was not lost somehow
+        expect(this.__owl__.component === a).toBe(true);
+        return 1;
+      }
+    }
+
+    class P extends Component {
+      static components = { A };
+      static template = xml`<button t-on-click="inc">inc</button><A number="state.number"/>`;
+
+      state = useState({ number: 333 });
+      inc() {
+        this.state.number++;
+      }
+    }
+
+    class Parent extends Component {
+      static template = xml`<P/>`;
+      static components = { P };
+    }
+
+    await mount(Parent, fixture);
+    expect(fixture.innerHTML).toBe("<button>inc</button>[B][C][A][sub1] [sub2333]");
+
+    fixture.querySelector("button")!.click();
+    await nextTick();
+    expect(fixture.innerHTML).toBe("<button>inc</button>[B][C][A][sub1] [sub2334]");
+  });
 });
diff --git a/tests/components/t_props.test.ts b/tests/components/t_props.test.ts
index e5436da7..fec21a12 100644
--- a/tests/components/t_props.test.ts
+++ b/tests/components/t_props.test.ts
@@ -53,7 +53,7 @@ describe("t-props", () => {
   });
 
   test("basic use", async () => {
-    expect.assertions(4);
+    expect.assertions(5);
 
     let props = { a: 1, b: 2 };
 
@@ -65,6 +65,7 @@ describe("t-props", () => {
         `;
       setup() {
         expect(this.props).toEqual({ a: 1, b: 2 });
+        expect(this.props).not.toBe(props);
       }
     }
     class Parent extends Component {
diff --git a/tests/misc/__snapshots__/memo.test.ts.snap b/tests/misc/__snapshots__/memo.test.ts.snap
index 9fc02e42..6501fb70 100644
--- a/tests/misc/__snapshots__/memo.test.ts.snap
+++ b/tests/misc/__snapshots__/memo.test.ts.snap
@@ -4,6 +4,7 @@ exports[`Memo if no prop change, prevent renderings from above  1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     let b6 = text(ctx['state'].a);
@@ -16,7 +17,7 @@ exports[`Memo if no prop change, prevent renderings from above  1`] = `
     let b2 = text(ctx['state'].a);
     let b3 = text(ctx['state'].b);
     let b4 = text(ctx['state'].c);
-    let b9 = component(\`Memo\`, {a: ctx['state'].a, b: ctx['state'].b,slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    let b9 = component(\`Memo\`, {a: ctx['state'].a, b: ctx['state'].b,slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
     return multi([b2, b3, b4, b9]);
   }
 }"
@@ -26,6 +27,7 @@ exports[`Memo if no props, prevent renderings from above  1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return component(\`Child\`, {value: ctx['state'].value}, key + \`__2\`, node, ctx);
@@ -33,7 +35,7 @@ exports[`Memo if no props, prevent renderings from above  1`] = `
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = component(\`Child\`, {value: ctx['state'].value}, key + \`__1\`, node, ctx);
-    let b4 = component(\`Memo\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__3\`, node, ctx);
+    let b4 = component(\`Memo\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__3\`, node, ctx);
     return multi([b2, b4]);
   }
 }"
@@ -54,6 +56,7 @@ exports[`Memo if no props, prevent renderings from above (work with simple html)
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   function slot1(ctx, node, key = \\"\\") {
     return text(ctx['state'].value);
@@ -61,7 +64,7 @@ exports[`Memo if no props, prevent renderings from above (work with simple html)
   
   return function template(ctx, node, key = \\"\\") {
     let b2 = text(ctx['state'].value);
-    let b4 = component(\`Memo\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__1\`, node, ctx);
+    let b4 = component(\`Memo\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, ctx);
     return multi([b2, b4]);
   }
 }"
diff --git a/tests/misc/__snapshots__/portal.test.ts.snap b/tests/misc/__snapshots__/portal.test.ts.snap
index bceeed15..4e3e798a 100644
--- a/tests/misc/__snapshots__/portal.test.ts.snap
+++ b/tests/misc/__snapshots__/portal.test.ts.snap
@@ -149,6 +149,7 @@ exports[`Portal Portal composed with t-slot 1`] = `
 "function anonymous(bdom, helpers
 ) {
   let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
+  let { markRaw } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
@@ -157,7 +158,7 @@ exports[`Portal Portal composed with t-slot 1`] = `
   }
   
   return function template(ctx, node, key = \\"\\") {
-    let b3 = component(\`Child\`, {slots: {'default': {__render: slot1, __ctx: ctx}}}, key + \`__2\`, node, ctx);
+    let b3 = component(\`Child\`, {slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__2\`, node, ctx);
     return block1([], [b3]);
   }
 }"
diff --git a/tests/misc/portal.test.ts b/tests/misc/portal.test.ts
index 08436b8e..ff373a17 100644
--- a/tests/misc/portal.test.ts
+++ b/tests/misc/portal.test.ts
@@ -421,6 +421,7 @@ describe("Portal", () => {
     addOutsideDiv(fixture);
     const parent = await mount(Parent, fixture);
     expect(steps).toEqual(["parent:mounted"]);
+    expect(fixture.innerHTML).toBe('<div id="outside"></div><div></div>');
 
     parent.state.hasChild = true;
     await nextTick();
@@ -430,6 +431,7 @@ describe("Portal", () => {
       "child:mounted",
       "parent:patched",
     ]);
+    expect(fixture.innerHTML).toBe('<div id="outside"><span>1</span></div><div></div>');
 
     parent.state.val = 2;
     await nextTick();
@@ -443,6 +445,7 @@ describe("Portal", () => {
       "child:patched",
       "parent:patched",
     ]);
+    expect(fixture.innerHTML).toBe('<div id="outside"><span>2</span></div><div></div>');
 
     parent.state.hasChild = false;
     await nextTick();
@@ -459,6 +462,7 @@ describe("Portal", () => {
       "child:willUnmount",
       "parent:patched",
     ]);
+    expect(fixture.innerHTML).toBe('<div id="outside"></div><div></div>');
   });
 
   test("portal destroys on crash", async () => {
diff --git a/tests/reactivity.test.ts b/tests/reactivity.test.ts
index 8f1328f9..1c9ff8d3 100644
--- a/tests/reactivity.test.ts
+++ b/tests/reactivity.test.ts
@@ -1657,7 +1657,7 @@ describe("Reactivity: useState", () => {
     expect([...steps]).toEqual(["list"]);
     await nextTick();
     expect(fixture.innerHTML).toBe("<div><div>3</div> Total: 3 Count: 1</div>");
-    expect([...steps]).toEqual(["list", "quantity1"]);
+    expect([...steps]).toEqual(["list"]);
     steps.clear();
 
     secondQuantity.quantity = 2;