diff --git a/lerna.json b/lerna.json
index f7ccf846e6ad..79a55bbe7691 100644
--- a/lerna.json
+++ b/lerna.json
@@ -15,5 +15,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "16.4.0-canary.19"
+  "version": "16.4.0-canary.20"
 }
\ No newline at end of file
diff --git a/packages/create-next-app/package.json b/packages/create-next-app/package.json
index a9edbed5a5dd..93918d425654 100644
--- a/packages/create-next-app/package.json
+++ b/packages/create-next-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-next-app",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "keywords": [
     "react",
     "next",
diff --git a/packages/devlow-bench/package.json b/packages/devlow-bench/package.json
index cf934ff2954e..0b687cc56882 100644
--- a/packages/devlow-bench/package.json
+++ b/packages/devlow-bench/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vercel/devlow-bench",
   "private": true,
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "description": "Benchmarking tool for the developer workflow",
   "repository": {
     "type": "git",
diff --git a/packages/eslint-config-next/package.json b/packages/eslint-config-next/package.json
index 41adf191b75a..19a94c920236 100644
--- a/packages/eslint-config-next/package.json
+++ b/packages/eslint-config-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "eslint-config-next",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "description": "ESLint configuration used by Next.js.",
   "license": "MIT",
   "repository": {
@@ -12,7 +12,7 @@
     "dist"
   ],
   "dependencies": {
-    "@next/eslint-plugin-next": "16.4.0-canary.19",
+    "@next/eslint-plugin-next": "16.4.0-canary.20",
     "eslint-import-resolver-node": "^0.3.6",
     "eslint-import-resolver-typescript": "^3.5.2",
     "eslint-plugin-import": "^2.32.0",
diff --git a/packages/eslint-plugin-internal/package.json b/packages/eslint-plugin-internal/package.json
index 281e20b52406..0255b3ec8d99 100644
--- a/packages/eslint-plugin-internal/package.json
+++ b/packages/eslint-plugin-internal/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@next/eslint-plugin-internal",
   "private": true,
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "description": "ESLint plugin for working on Next.js.",
   "exports": {
     ".": "./src/eslint-plugin-internal.js"
diff --git a/packages/eslint-plugin-next/package.json b/packages/eslint-plugin-next/package.json
index b52a121c0537..3d171737b81d 100644
--- a/packages/eslint-plugin-next/package.json
+++ b/packages/eslint-plugin-next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "description": "ESLint plugin for Next.js.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/font/package.json b/packages/font/package.json
index b79ffd92cc67..604f38c564d1 100644
--- a/packages/font/package.json
+++ b/packages/font/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@next/font",
   "private": true,
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/font"
diff --git a/packages/next-bundle-analyzer/package.json b/packages/next-bundle-analyzer/package.json
index dea783908240..524fc9cf787e 100644
--- a/packages/next-bundle-analyzer/package.json
+++ b/packages/next-bundle-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/bundle-analyzer",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "main": "index.js",
   "types": "index.d.ts",
   "license": "MIT",
diff --git a/packages/next-codemod/package.json b/packages/next-codemod/package.json
index ef0434d6434b..19bffdc4df6b 100644
--- a/packages/next-codemod/package.json
+++ b/packages/next-codemod/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/codemod",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "license": "MIT",
   "repository": {
     "type": "git",
diff --git a/packages/next-env/package.json b/packages/next-env/package.json
index 73cc2e36f1ad..0dabfc98bc86 100644
--- a/packages/next-env/package.json
+++ b/packages/next-env/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/env",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "keywords": [
     "react",
     "next",
diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
index 1489a8695893..508f05122dc3 100644
--- a/packages/next-mdx/package.json
+++ b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "main": "index.js",
   "license": "MIT",
   "repository": {
diff --git a/packages/next-playwright/package.json b/packages/next-playwright/package.json
index f82f44f0a80d..811da98e9844 100644
--- a/packages/next-playwright/package.json
+++ b/packages/next-playwright/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/playwright",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-playwright"
diff --git a/packages/next-plugin-storybook/package.json b/packages/next-plugin-storybook/package.json
index d0e15fc82626..13699025c45e 100644
--- a/packages/next-plugin-storybook/package.json
+++ b/packages/next-plugin-storybook/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-plugin-storybook"
diff --git a/packages/next-polyfill-module/package.json b/packages/next-polyfill-module/package.json
index 856235a6fc45..6cbe257a9ba9 100644
--- a/packages/next-polyfill-module/package.json
+++ b/packages/next-polyfill-module/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-module",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "description": "A standard library polyfill for ES Modules supporting browsers (Edge 16+, Firefox 60+, Chrome 61+, Safari 10.1+)",
   "main": "dist/polyfill-module.js",
   "license": "MIT",
diff --git a/packages/next-polyfill-nomodule/package.json b/packages/next-polyfill-nomodule/package.json
index b957d434430c..2bfa6771e2b8 100644
--- a/packages/next-polyfill-nomodule/package.json
+++ b/packages/next-polyfill-nomodule/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "description": "A polyfill for non-dead, nomodule browsers.",
   "main": "dist/polyfill-nomodule.js",
   "license": "MIT",
diff --git a/packages/next-routing/package.json b/packages/next-routing/package.json
index 975675ef6631..e55c51fce394 100644
--- a/packages/next-routing/package.json
+++ b/packages/next-routing/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/routing",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "keywords": [
     "react",
     "next",
diff --git a/packages/next-rspack/package.json b/packages/next-rspack/package.json
index 146e6f00d6cd..3a38edbb7e81 100644
--- a/packages/next-rspack/package.json
+++ b/packages/next-rspack/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next-rspack",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-rspack"
diff --git a/packages/next-swc/package.json b/packages/next-swc/package.json
index cf59b5e9252d..d96d4575e98a 100644
--- a/packages/next-swc/package.json
+++ b/packages/next-swc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/swc",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "private": true,
   "files": [
     "native/"
diff --git a/packages/next/package.json b/packages/next/package.json
index 7f455aa0ff0c..bdabc53bb1a4 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -100,7 +100,7 @@
     ]
   },
   "dependencies": {
-    "@next/env": "16.4.0-canary.19",
+    "@next/env": "16.4.0-canary.20",
     "@swc/helpers": "0.5.23",
     "baseline-browser-mapping": "^2.9.19",
     "caniuse-lite": "^1.0.30001579",
@@ -164,11 +164,11 @@
     "@modelcontextprotocol/sdk": "1.18.1",
     "@mswjs/interceptors": "0.42.0",
     "@napi-rs/triples": "1.2.0",
-    "@next/font": "16.4.0-canary.19",
-    "@next/polyfill-module": "16.4.0-canary.19",
-    "@next/polyfill-nomodule": "16.4.0-canary.19",
-    "@next/react-refresh-utils": "16.4.0-canary.19",
-    "@next/swc": "16.4.0-canary.19",
+    "@next/font": "16.4.0-canary.20",
+    "@next/polyfill-module": "16.4.0-canary.20",
+    "@next/polyfill-nomodule": "16.4.0-canary.20",
+    "@next/react-refresh-utils": "16.4.0-canary.20",
+    "@next/swc": "16.4.0-canary.20",
     "@opentelemetry/api": "1.6.0",
     "@playwright/test": "1.61.0",
     "@rspack/core": "1.6.7",
diff --git a/packages/react-refresh-utils/package.json b/packages/react-refresh-utils/package.json
index d43decd1f9c0..94f8306bfee8 100644
--- a/packages/react-refresh-utils/package.json
+++ b/packages/react-refresh-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/react-refresh-utils",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "description": "An experimental package providing utilities for React Refresh.",
   "repository": {
     "url": "vercel/next.js",
diff --git a/packages/third-parties/package.json b/packages/third-parties/package.json
index 31a86f5b1d4e..daebe6682f37 100644
--- a/packages/third-parties/package.json
+++ b/packages/third-parties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/third-parties",
-  "version": "16.4.0-canary.19",
+  "version": "16.4.0-canary.20",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/third-parties"
@@ -26,7 +26,7 @@
     "third-party-capital": "1.0.20"
   },
   "devDependencies": {
-    "next": "16.4.0-canary.19",
+    "next": "16.4.0-canary.20",
     "outdent": "0.8.0",
     "prettier": "2.5.1",
     "typescript": "6.0.2"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index eaf7d3a869ad..94843233a93f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1024,7 +1024,7 @@ importers:
   packages/eslint-config-next:
     dependencies:
       '@next/eslint-plugin-next':
-        specifier: 16.4.0-canary.19
+        specifier: 16.4.0-canary.20
         version: link:../eslint-plugin-next
       eslint:
         specifier: '>=9.0.0'
@@ -1107,7 +1107,7 @@ importers:
   packages/next:
     dependencies:
       '@next/env':
-        specifier: 16.4.0-canary.19
+        specifier: 16.4.0-canary.20
         version: link:../next-env
       '@swc/helpers':
         specifier: 0.5.23
@@ -1228,19 +1228,19 @@ importers:
         specifier: 1.2.0
         version: 1.2.0
       '@next/font':
-        specifier: 16.4.0-canary.19
+        specifier: 16.4.0-canary.20
         version: link:../font
       '@next/polyfill-module':
-        specifier: 16.4.0-canary.19
+        specifier: 16.4.0-canary.20
         version: link:../next-polyfill-module
       '@next/polyfill-nomodule':
-        specifier: 16.4.0-canary.19
+        specifier: 16.4.0-canary.20
         version: link:../next-polyfill-nomodule
       '@next/react-refresh-utils':
-        specifier: 16.4.0-canary.19
+        specifier: 16.4.0-canary.20
         version: link:../react-refresh-utils
       '@next/swc':
-        specifier: 16.4.0-canary.19
+        specifier: 16.4.0-canary.20
         version: link:../next-swc
       '@opentelemetry/api':
         specifier: 1.6.0
@@ -1983,7 +1983,7 @@ importers:
         version: 1.0.20
     devDependencies:
       next:
-        specifier: 16.4.0-canary.19
+        specifier: 16.4.0-canary.20
         version: link:../next
       outdent:
         specifier: 0.8.0
diff --git a/turbopack/crates/turbo-tasks-backend/benches/gc.rs b/turbopack/crates/turbo-tasks-backend/benches/gc.rs
index ae06bae937e2..bbb90c296318 100644
--- a/turbopack/crates/turbo-tasks-backend/benches/gc.rs
+++ b/turbopack/crates/turbo-tasks-backend/benches/gc.rs
@@ -12,9 +12,7 @@ use std::{sync::Arc, time::Duration};
 use anyhow::Result;
 use criterion::{BatchSize, BenchmarkId, Criterion, Throughput};
 use tokio::runtime::Runtime;
-use turbo_tasks::{
-    ResolvedVc, State, TurboTasks, Vc, unmark_top_level_task_may_leak_eventually_consistent_state,
-};
+use turbo_tasks::{ResolvedVc, State, TurboTasks, Vc};
 use turbo_tasks_backend::{
     BackendOptions, BackingStorageOptions, EvictionMode, GitVersionInfo, StorageMode,
     TurboTasksBackend,
@@ -105,7 +103,6 @@ fn setup_wide_garbage(
         // backend must be constructed inside the runtime context.
         let (tt, dir) = create_tt();
         turbo_tasks::run_once(tt.clone(), async move {
-            unmark_top_level_task_may_leak_eventually_consistent_state();
             let generation_op = create_generation();
             let generation_vc = generation_op.resolve().strongly_consistent().await?;
             let generation = generation_op.read_strongly_consistent().await?;
diff --git a/turbopack/crates/turbo-tasks-backend/tests/detached.rs b/turbopack/crates/turbo-tasks-backend/tests/detached.rs
index 8ca612f1c546..6a3626993caa 100644
--- a/turbopack/crates/turbo-tasks-backend/tests/detached.rs
+++ b/turbopack/crates/turbo-tasks-backend/tests/detached.rs
@@ -9,7 +9,7 @@ use tokio::{
 use turbo_tasks::{
     State, TransientInstance, Vc, prevent_gc,
     trace::{TraceRawVcs, TraceRawVcsContext},
-    turbo_tasks, unmark_top_level_task_may_leak_eventually_consistent_state,
+    turbo_tasks,
 };
 use turbo_tasks_testing::{Registration, register, run_once};
 
@@ -87,7 +87,6 @@ async fn spawns_detached(
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn test_spawns_detached_changing() -> anyhow::Result<()> {
     run_once(&REGISTRATION, async || {
-        unmark_top_level_task_may_leak_eventually_consistent_state();
         // HACK: The watch channel we use has an incorrect implementation of `TraceRawVcs`
         prevent_gc();
         // timeout: prevent the test from hanging, and fail instead if this is broken
diff --git a/turbopack/crates/turbo-tasks-backend/tests/eviction.rs b/turbopack/crates/turbo-tasks-backend/tests/eviction.rs
index 17c347982555..b2aeda77b68e 100644
--- a/turbopack/crates/turbo-tasks-backend/tests/eviction.rs
+++ b/turbopack/crates/turbo-tasks-backend/tests/eviction.rs
@@ -10,9 +10,7 @@ use std::sync::{
 };
 
 use anyhow::Result;
-use turbo_tasks::{
-    ResolvedVc, State, Vc, unmark_top_level_task_may_leak_eventually_consistent_state,
-};
+use turbo_tasks::{ResolvedVc, State, Vc};
 
 use crate::util::{create_tt, create_tt_with_workers};
 
@@ -24,8 +22,6 @@ async fn eviction_recompute() {
     let tt2 = tt.clone();
 
     let result = turbo_tasks::run_once(tt.clone(), async move {
-        unmark_top_level_task_may_leak_eventually_consistent_state();
-
         // Create state via operation (persistent task)
         let state_op = create_state(1);
         let state_vc = state_op.resolve().strongly_consistent().await?;
@@ -66,8 +62,6 @@ async fn eviction_deep_chain() {
     let tt2 = tt.clone();
 
     let result = turbo_tasks::run_once(tt.clone(), async move {
-        unmark_top_level_task_may_leak_eventually_consistent_state();
-
         let state_op = create_state(10);
         let state_vc = state_op.resolve().strongly_consistent().await?;
         let state = state_op.read_strongly_consistent().await?;
@@ -123,8 +117,6 @@ async fn eviction_dependency_chain() {
     let tt2 = tt.clone();
 
     let result = turbo_tasks::run_once(tt.clone(), async move {
-        unmark_top_level_task_may_leak_eventually_consistent_state();
-
         let state_op = create_state(10);
         let state_vc = state_op.resolve().strongly_consistent().await?;
         let state = state_op.read_strongly_consistent().await?;
@@ -301,8 +293,6 @@ async fn eviction_session_stateful_survives() {
     let tt2 = tt.clone();
 
     let result = turbo_tasks::run_once(tt.clone(), async move {
-        unmark_top_level_task_may_leak_eventually_consistent_state();
-
         // read_session_counter internally creates+resolves create_session_counter(42).
         // The transient run_once only reads read_session_counter, so
         // create_session_counter has no transient dependents and is eligible for
@@ -354,8 +344,6 @@ async fn eviction_transient_reader_invalidated() {
     let tt2 = tt.clone();
 
     let result = turbo_tasks::run_once(tt.clone(), async move {
-        unmark_top_level_task_may_leak_eventually_consistent_state();
-
         // Create persistent state + compute tasks
         let state_op = create_state(50);
         let state_vc = state_op.resolve().strongly_consistent().await?;
@@ -466,8 +454,6 @@ async fn eviction_stress_concurrent() {
     });
 
     let result = turbo_tasks::run_once(tt.clone(), async move {
-        unmark_top_level_task_may_leak_eventually_consistent_state();
-
         let state_op = create_state(1);
         let state_vc = state_op.resolve().strongly_consistent().await?;
         let state = state_op.read_strongly_consistent().await?;
@@ -608,8 +594,6 @@ async fn eviction_persistable_never_preserves_live_cell() {
     let tt2 = tt.clone();
 
     let result = turbo_tasks::run_once(tt.clone(), async move {
-        unmark_top_level_task_may_leak_eventually_consistent_state();
-
         let state_op = create_state(0);
         let state_vc = state_op.resolve().strongly_consistent().await?;
         let state = state_op.read_strongly_consistent().await?;