code · pull · Sep 2, 2026 · Sep 1, 2026 · Sep 1, 2026 · Sep 1, 2026
diff --git a/lerna.json b/lerna.json
@@ -15,5 +15,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "16.4.0-canary.13"
+  "version": "16.4.0-canary.14"
 }
diff --git 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.13",
+  "version": "16.4.0-canary.14",
   "keywords": [
     "react",
     "next",

diff --git 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.13",
+  "version": "16.4.0-canary.14",
   "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
@@ -1,6 +1,6 @@
 {
   "name": "eslint-config-next",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "description": "ESLint configuration used by Next.js.",
   "license": "MIT",
   "repository": {
@@ -12,7 +12,7 @@
     "dist"
   ],
   "dependencies": {
-    "@next/eslint-plugin-next": "16.4.0-canary.13",
+    "@next/eslint-plugin-next": "16.4.0-canary.14",
     "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
@@ -1,7 +1,7 @@
 {
   "name": "@next/eslint-plugin-internal",
   "private": true,
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "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
@@ -1,6 +1,6 @@
 {
   "name": "@next/eslint-plugin-next",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "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
@@ -1,7 +1,7 @@
 {
   "name": "@next/font",
   "private": true,
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/font"

diff --git 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.13",
+  "version": "16.4.0-canary.14",
   "main": "index.js",
   "types": "index.d.ts",
   "license": "MIT",

diff --git a/packages/next-codemod/package.json b/packages/next-codemod/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/codemod",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "license": "MIT",
   "repository": {
     "type": "git",

diff --git a/packages/next-env/package.json b/packages/next-env/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/env",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "keywords": [
     "react",
     "next",

diff --git a/packages/next-mdx/package.json b/packages/next-mdx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/mdx",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "main": "index.js",
   "license": "MIT",
   "repository": {

diff --git a/packages/next-playwright/package.json b/packages/next-playwright/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/playwright",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "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
@@ -1,6 +1,6 @@
 {
   "name": "@next/plugin-storybook",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "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
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-module",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "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
@@ -1,6 +1,6 @@
 {
   "name": "@next/polyfill-nomodule",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "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
@@ -1,6 +1,6 @@
 {
   "name": "@next/routing",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "keywords": [
     "react",
     "next",

diff --git a/packages/next-rspack/package.json b/packages/next-rspack/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next-rspack",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/next-rspack"

diff --git a/packages/next-swc/package.json b/packages/next-swc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@next/swc",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "private": true,
   "files": [
     "native/"

diff --git a/packages/next/package.json b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
   "name": "next",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -100,7 +100,7 @@
     ]
   },
   "dependencies": {
-    "@next/env": "16.4.0-canary.13",
+    "@next/env": "16.4.0-canary.14",
     "@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.13",
-    "@next/polyfill-module": "16.4.0-canary.13",
-    "@next/polyfill-nomodule": "16.4.0-canary.13",
-    "@next/react-refresh-utils": "16.4.0-canary.13",
-    "@next/swc": "16.4.0-canary.13",
+    "@next/font": "16.4.0-canary.14",
+    "@next/polyfill-module": "16.4.0-canary.14",
+    "@next/polyfill-nomodule": "16.4.0-canary.14",
+    "@next/react-refresh-utils": "16.4.0-canary.14",
+    "@next/swc": "16.4.0-canary.14",
     "@opentelemetry/api": "1.6.0",
     "@playwright/test": "1.61.0",
     "@rspack/core": "1.6.7",

diff --git a/packages/next/src/server/use-cache/use-cache-wrapper.ts b/packages/next/src/server/use-cache/use-cache-wrapper.ts
@@ -348,8 +348,6 @@ const crossRequestPendingCacheInvocations = new Map<
   Promise<SharedCacheResult>
 >()
 
-const isEdgeRuntime = process.env.NEXT_RUNTIME === 'edge'
-
 // The first argument at each call site is the full directive that produced
 // the invocation, e.g. "'use cache'" or "'use cache: remote'".
 const debug = process.env.NEXT_PRIVATE_DEBUG_CACHE
@@ -3576,9 +3574,7 @@ export async function cache(
     // to be added to the consumer. Instead, we'll wait for any ClientReference to be emitted
     // which themselves will handle the preloading.
     moduleLoading: null,
-    moduleMap: isEdgeRuntime
-      ? clientReferenceManifest.edgeRscModuleMapping
-      : clientReferenceManifest.rscModuleMapping,
+    moduleMap: clientReferenceManifest.rscModuleMapping,
     serverModuleMap: getServerModuleMap(),
   }
 

diff --git 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.13",
+  "version": "16.4.0-canary.14",
   "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
@@ -1,6 +1,6 @@
 {
   "name": "@next/third-parties",
-  "version": "16.4.0-canary.13",
+  "version": "16.4.0-canary.14",
   "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.13",
+    "next": "16.4.0-canary.14",
     "outdent": "0.8.0",
     "prettier": "2.5.1",
     "typescript": "6.0.2"

diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
diff --git a/turbopack/crates/turbo-tasks-backend/src/backend/eviction.rs b/turbopack/crates/turbo-tasks-backend/src/backend/eviction.rs
@@ -129,8 +129,11 @@ impl EvictionControl {
         evict
     }
 
-    /// Call after completing an eviction cycle. Seeds the memory floor with the
-    /// post-eviction usage; later cycles lower it further as memory settles.
+    /// Call after completing an eviction cycle and after mimalloc is cleaned up
+    /// with [`TurboMalloc::collect`], since the freed memory is only reflected
+    /// in [`TurboMalloc::memory_usage`] once it has been. Seeds the memory floor
+    /// with the post-eviction usage; later cycles lower it further as memory
+    /// settles.
     pub(crate) fn record_eviction(&mut self) {
         self.memory_floor = Some(TurboMalloc::memory_usage());
     }

diff --git a/turbopack/crates/turbo-tasks-backend/src/backend/mod.rs b/turbopack/crates/turbo-tasks-backend/src/backend/mod.rs
@@ -3044,8 +3044,6 @@ impl TurboTasksBackend {
                                     // memory so racing with execution is as likely to save time as
                                     // cost it.
                                     self.storage.evict_after_snapshot(background_span.id());
-                                    // Sample the post-eviction floor as the new baseline.
-                                    eviction_control.record_eviction();
                                     true
                                 } else {
                                     false
@@ -3098,6 +3096,12 @@ impl TurboTasksBackend {
                                 {
                                     TurboMalloc::collect(true);
                                 }
+
+                                // Sample the new baseline after the collect above, which is what
+                                // makes the evicted memory show up in `memory_usage`.
+                                if ran_eviction {
+                                    eviction_control.record_eviction();
+                                }
                             }
                         }
                     }