code · pull · Jan 28, 2026 · Jan 27, 2026 · Jan 27, 2026 · Jan 27, 2026
diff --git a/lerna.json b/lerna.json
@@ -15,5 +15,5 @@
       "registry": "https://registry.npmjs.org/"
     }
   },
-  "version": "16.2.0-canary.13"
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-canary.14",
   "keywords": [
     "react",
     "next",

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": "16.2.0-canary.13",
+  "version": "16.2.0-canary.14",
   "description": "ESLint configuration used by Next.js.",
   "license": "MIT",
   "repository": {
@@ -12,7 +12,7 @@
     "dist"
   ],
   "dependencies": {
-    "@next/eslint-plugin-next": "16.2.0-canary.13",
+    "@next/eslint-plugin-next": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-canary.14",
   "main": "index.js",
   "license": "MIT",
   "repository": {

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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-canary.14",
   "description": "The React Framework",
   "main": "./dist/server/next.js",
   "license": "MIT",
@@ -97,7 +97,7 @@
     ]
   },
   "dependencies": {
-    "@next/env": "16.2.0-canary.13",
+    "@next/env": "16.2.0-canary.14",
     "@swc/helpers": "0.5.15",
     "baseline-browser-mapping": "^2.8.3",
     "caniuse-lite": "^1.0.30001579",
@@ -162,11 +162,11 @@
     "@modelcontextprotocol/sdk": "1.18.1",
     "@mswjs/interceptors": "0.23.0",
     "@napi-rs/triples": "1.2.0",
-    "@next/font": "16.2.0-canary.13",
-    "@next/polyfill-module": "16.2.0-canary.13",
-    "@next/polyfill-nomodule": "16.2.0-canary.13",
-    "@next/react-refresh-utils": "16.2.0-canary.13",
-    "@next/swc": "16.2.0-canary.13",
+    "@next/font": "16.2.0-canary.14",
+    "@next/polyfill-module": "16.2.0-canary.14",
+    "@next/polyfill-nomodule": "16.2.0-canary.14",
+    "@next/react-refresh-utils": "16.2.0-canary.14",
+    "@next/swc": "16.2.0-canary.14",
     "@opentelemetry/api": "1.6.0",
     "@playwright/test": "1.51.1",
     "@rspack/core": "1.6.7",

diff --git a/packages/next/src/server/response-cache/index.ts b/packages/next/src/server/response-cache/index.ts
@@ -63,10 +63,9 @@ const KEY_SEPARATOR = '\0'
 
 /**
  * Sentinel value used for TTL-based cache entries (when invocationID is undefined).
- * Uses KEY_SEPARATOR prefix to guarantee uniqueness since null bytes cannot appear
- * in HTTP headers (RFC 7230), making collision with real invocation IDs impossible.
+ * Chosen to be a clearly reserved marker for internal cache keys.
  */
-const TTL_SENTINEL = `${KEY_SEPARATOR}ttl`
+const TTL_SENTINEL = '__ttl_sentinel__'
 
 /**
  * Entry stored in the LRU cache.

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": "16.2.0-canary.13",
+  "version": "16.2.0-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": "16.2.0-canary.13",
+  "version": "16.2.0-canary.14",
   "repository": {
     "url": "vercel/next.js",
     "directory": "packages/third-parties"
@@ -26,7 +26,7 @@
     "third-party-capital": "1.0.20"
   },
   "devDependencies": {
-    "next": "16.2.0-canary.13",
+    "next": "16.2.0-canary.14",
     "outdent": "0.8.0",
     "prettier": "2.5.1",
     "typescript": "5.9.2"

diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
diff --git a/turbopack/crates/turbo-persistence/README.md b/turbopack/crates/turbo-persistence/README.md
@@ -85,7 +85,7 @@ The hashes are sorted.
 
 #### Key Block
 
-- 1 byte block type (1: key block)
+- 1 byte block type (1: key block with hash, 2: key block without hash)
 - 3 bytes entry count
 - foreach entry
   - 1 byte type
@@ -94,23 +94,30 @@ The hashes are sorted.
 
 A Key block contains n keys, which specify n key value pairs.
 
+The block type determines whether the key hash is stored per entry:
+
+- Block type 1 (with hash): Full 8-byte hash stored per entry
+- Block type 2 (no hash): No hash stored (for keys ≤ 32 bytes)
+
+During lookup, if block type is 2, the full hash is recomputed from the key data.
+
 Depending on the `type` field entry has a different format:
 
 - 0: normal key (small value)
-  - 8 bytes key hash
+  - 8 bytes key hash (if block type 1)
   - key data
   - 2 byte block index
   - 2 bytes size
   - 4 bytes position in block
 - 1: blob reference
-  - 8 bytes key hash
+  - 8 bytes key hash (if block type 1)
   - key data
   - 4 bytes sequence number
 - 2: deleted key / tombstone (no data)
-  - 8 bytes key hash
+  - 8 bytes key hash (if block type 1)
   - key data
 - 3: normal key (medium sized value)
-  - 8 bytes key hash
+  - 8 bytes key hash (if block type 1)
   - key data
   - 2 byte block index
 - 7: merge key (future)
@@ -119,14 +126,12 @@ Depending on the `type` field entry has a different format:
   - 3 bytes size
   - 4 bytes position in block
 - 8..255: inlined key (future)
-  - 8 bytes key hash
+  - 8 bytes key hash (if block type 1)
   - key data
   - type - 8 bytes value data
 
 The entries are sorted by key hash and key.
 
-TODO: 8 bytes key hash is a bit inefficient for small keys.
-
 #### Value Block
 
 - no header, all bytes are data referenced by other blocks