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          "title": "Extra/duplicate revalidations with `cacheComponents` while data is loading",
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          "title": "Changed deploymentIds and SWR caching causes to mixed fetches on clients after redeploy",
          "url": "https://github.com/vercel/next.js/issues/99726",
          "author": "skurekjakub",
          "created_at": "2026-10-06 11:30:55+00"
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      "title": "Revalidated cache entries still served when wall and monotonic clocks drift",
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      "description": "Tag expiry is stamped with Date.now() but checked against performance.now(), so revalidateTag, revalidatePath or updateTag take effect late.",
      "quote": "The revalidated page is still served from the cache until the gap between the two clocks has elapsed.",
      "affected_surface": "incremental cache",
      "error_signature": null,
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      "impact_class": "broken_workflow",
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      "first_seen": "2026-09-27 20:03:33+00",
      "last_seen": "2026-11-04 05:40:38+00",
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        "macos",
        "windows"
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      "versions": [
        "16.3.8",
        "2.5",
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      "cohesion": 0.87,
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        {
          "title": "next start: revalidatePath/revalidateTag take effect late when the wall clock runs ahead of the monotonic clock (tag expiry stamped with Date.now(), checked against performance.now())",
          "url": "https://github.com/vercel/next.js/issues/101136",
          "author": "tamatebox",
          "created_at": "2026-11-04 05:40:38+00"
        },
        {
          "title": "next start: a page revalidated with revalidateTag is still served for a few ms, because tag expiry is stamped with Date.now() but checked against performance.now()",
          "url": "https://github.com/vercel/next.js/issues/99710",
          "author": "stratlabsin-byte",
          "created_at": "2026-10-05 23:58:09+00"
        },
        {
          "title": "Tag invalidation stops working after the machine sleeps: tagsManifest mixes Date.now() and performance.now()",
          "url": "https://github.com/vercel/next.js/issues/99329",
          "author": "kevinbolger",
          "created_at": "2026-09-27 20:03:33+00"
        }
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      "product": "next-js",
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      "title": "Aborted image request hangs its cache key until restart",
      "short_name": "Aborted image request hangs cache key",
      "named": true,
      "status": "open",
      "description": "On next start, a client cancelling a /_next/image request on a cold cache key leaves later requests for that URL with no response.",
      "quote": "What it fixes:** on `next start`, a client that cancels a `/_next/image` request for a *local* image on a cold cache key can leave that key permanently pending.",
      "affected_surface": "Image optimizer",
      "error_signature": null,
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      "impact_class": "outage",
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      "first_seen": "2026-09-09 07:56:04+00",
      "last_seen": "2026-09-26 20:47:23+00",
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        "macos",
        "windows"
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      "versions": [
        "1.4",
        "15.5",
        "16.4.0-canary.22"
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        {
          "title": "next/image: backport #98168 to 15.5.x — a cancelled request strands its /_next/image cache key under next start",
          "url": "https://github.com/vercel/next.js/issues/99281",
          "author": "nigeljones84",
          "created_at": "2026-09-26 13:40:35+00"
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        {
          "title": "next/image: a client that disconnects mid-request permanently hangs that /_next/image cache key for every later client (self-hosted)",
          "url": "https://github.com/vercel/next.js/issues/98402",
          "author": "lpoulter-gradle",
          "created_at": "2026-09-09 07:56:04+00"
        },
        {
          "title": "Image optimizer: a client abort permanently wedges that /_next/image cache key for the life of the process",
          "url": "https://github.com/vercel/next.js/issues/98963",
          "author": "strickdd",
          "created_at": "2026-09-20 19:06:09+00"
        }
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      "title": "Build output missing traced files, failing Vercel builds with ENOENT",
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      "status": "open",
      "description": "Turbopack's nft.json trace lists a pnpm hoisted-store alias with no target files, or next-server.js.nft.json is missing on Vercel.",
      "quote": "Error: ENOENT: no such file or directory, open '/vercel/path0/.next/next-server.js.nft.json'",
      "affected_surface": "output file tracing",
      "error_signature": "Error: ENOENT: no such file or directory, open '/vercel/path0/.next/next-server.js.nft.json'",
      "job": null,
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      "first_seen": "2026-09-01 21:53:46.653+00",
      "last_seen": "2026-09-17 01:46:15+00",
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        "linux"
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        "0.28.0"
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        {
          "title": "Turbopack traces a pnpm hoisted-store alias without its target files, producing a dangling symlink that fails Vercel \n  deploys with ENOENT",
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          "author": "davidbarratt",
          "created_at": "2026-09-17 01:46:15+00"
        },
        {
          "title": "Build error only on vercel",
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      "id": 4194,
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      "kind": "bug",
      "title": "Server Action responses bypass deploymentId version skew detection",
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      "description": "After a rolling deploy, the action returns 200 without an x-nextjs-deployment-id header, crashing the stale tab.",
      "quote": "Current:** the action runs on `b` and returns `200` with a re-rendered RSC payload, but without an `x-nextjs-deployment-id` header.",
      "affected_surface": "Server Actions",
      "error_signature": "module factory is not available",
      "job": null,
      "impact_class": "broken_workflow",
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      "voters": 4,
      "first_seen": "2026-09-24 15:06:11+00",
      "last_seen": "2026-09-24 15:06:11+00",
      "platforms": [
        "macos"
      ],
      "versions": [
        "27.0.0"
      ],
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        {
          "title": "Server Action responses bypass `deploymentId` version skew detection, crashing stale tabs with \"module factory is not available\"",
          "url": "https://github.com/vercel/next.js/issues/99165",
          "author": "hedblad",
          "created_at": "2026-09-24 15:06:11+00"
        }
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      "id": 4160,
      "product": "next-js",
      "kind": "bug",
      "title": "Browser Back skips history entries after App Router navigation",
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      "named": true,
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      "description": "In Safari and iOS WebKit, Back lands two pages back when `pushState` runs outside the click's user-activation window.",
      "quote": "Current:** Back lands on `/items/a`, and `/items` is skipped.",
      "affected_surface": "App Router navigation",
      "error_signature": null,
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      "voters": 0,
      "first_seen": "2026-09-29 12:58:10+00",
      "last_seen": "2026-11-02 22:35:30+00",
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        "macos"
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      "versions": [
        "17.5",
        "27.0",
        "27.0.1"
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      "cohesion": 0.89,
      "rank": 0.77,
      "workaround": {
        "id": 604,
        "text": "Push a history entry synchronously inside the user gesture using `onRouterTransitionStart` (instrumentation-client).",
        "worked": 0,
        "failed": 0,
        "source": "naming"
      },
      "exemplars": [
        {
          "title": "Safari 27: Back button skips the previous entry after a non-prefetched App Router navigation",
          "url": "https://github.com/vercel/next.js/issues/101060",
          "author": "sustinbebustin",
          "created_at": "2026-11-02 22:35:30+00"
        },
        {
          "title": "Safari: Back skips a page when you typed in a text field on it before navigating with `<Link>`",
          "url": "https://github.com/vercel/next.js/issues/100931",
          "author": "leemoto",
          "created_at": "2026-10-30 00:29:17+00"
        },
        {
          "title": "iOS back navigation skips pages due to pushState timing in App Router",
          "url": "https://github.com/vercel/next.js/issues/99425",
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          "created_at": "2026-09-29 12:58:10+00"
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      "id": 4172,
      "product": "next-js",
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      "title": "Framework 4xx responses become 500 in App Router-only production",
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      "quote": "Both requests return `500 Internal Server Error` with a plain text body, and nothing is logged.",
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      "first_seen": "2026-09-28 07:42:24+00",
      "last_seen": "2026-11-03 02:15:59+00",
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        "25.5.0"
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        {
          "title": "Malformed percent-encoding in an App Router dynamic segment returns 500 instead of 400",
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          "created_at": "2026-09-28 07:42:24+00"
        },
        {
          "title": "App Router-only production builds replace framework-generated 4xx responses with 500 when /_error is absent",
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          "created_at": "2026-11-03 02:15:59+00"
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      "description": "Worker created via new Worker(new URL(..., import.meta.url)) keeps \"./maplibre-gl-shared.mjs\" specifier, which 404s; MapLibre map never renders.",
      "quote": "Only `maplibre-gl-shared.<hash>.mjs` is emitted, so the worker's first import 404s and the worker never starts.",
      "affected_surface": "Turbopack bundling",
      "error_signature": "Error: Worker failed to load. Check that the worker URL is correct.",
      "job": null,
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      "first_seen": "2026-09-01 12:43:17+00",
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        "v6.0.0"
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        {
          "title": "MapLibre worker fails to load in Turbopack although generated worker asset is accessible",
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          "author": "a-waider",
          "created_at": "2026-10-05 07:40:41+00"
        },
        {
          "title": "Turbopack: a worker emitted via new Worker(new URL('./x.mjs', import.meta.url)) keeps an unrewritten sibling import, so the worker never loads",
          "url": "https://github.com/vercel/next.js/issues/98137",
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          "created_at": "2026-09-01 12:43:17+00"
        }
      ],
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      "id": 4114,
      "product": "next-js",
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      "title": "Spurious usePathname() outside Suspense errors under Bun builds",
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      "quote": "Current:** The build succeeds (exit 0, every dynamic route is `◐` Partial Prerender), but it prints ~280 errors.",
      "affected_surface": "next build",
      "error_signature": "Error: Route \"/items/[id]\": Next.js encountered URL data `usePathname()` in a Client Component outside of `<Suspense>`.",
      "job": null,
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      "voters": 0,
      "first_seen": "2026-10-02 10:08:30+00",
      "last_seen": "2026-10-20 13:15:21+00",
      "platforms": [
        "macos",
        "windows"
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        "26.5.0"
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      "cohesion": 0.92,
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      "workaround": {
        "id": 473,
        "text": "Run the build with Node (`bun run build`) instead of `bun --bun next build`; nothing is printed.",
        "worked": 0,
        "failed": 0,
        "source": "naming"
      },
      "exemplars": [
        {
          "title": "unhandledRejection filter depends on AsyncLocalStorage in the listener, so under Bun it logs false \"usePathname() outside <Suspense>\" (CLIENT_HOOK_DYNAMIC) errors",
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          "author": "ziyak97",
          "created_at": "2026-10-06 21:19:43+00"
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        {
          "title": "CLIENT_HOOK_DYNAMIC unhandled rejections during `next build` under Bun: the unhandledRejection filter relies on AsyncLocalStorage",
          "url": "https://github.com/vercel/next.js/issues/100449",
          "author": "CodingDiego",
          "created_at": "2026-10-20 13:15:21+00"
        },
        {
          "title": "bun --bun next build prints a bogus \"usePathname() outside of <Suspense>\" error on routes with fallback params (cacheComponents)",
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      "id": 20560,
      "product": "next-js",
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      "title": "Intercepted routes ignore search param changes under next start",
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      "status": "open",
      "description": "Under `next start`, interception rewrites send an empty `x-nextjs-rewritten-query`; does not reproduce in `next dev` or on Vercel.",
      "quote": "The URL becomes `/items?tab=archive`, and the link now reads **Open dialog (/items/dialog?tab=archive)**.",
      "affected_surface": "intercepting routes",
      "error_signature": "x-nextjs-rewritten-query: \"\"",
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      "impact_class": "broken_workflow",
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      "voters": 0,
      "first_seen": "2026-10-21 19:16:32+00",
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        {
          "title": "Interception rewrites send an empty `x-nextjs-rewritten-query` under `next start`, so an intercepted page is reused for other search params (re-file of #100540 with a public repro)",
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          "created_at": "2026-11-03 10:20:30+00"
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        {
          "title": "Intercepted route: navigation that only changes search params is a no-op under `next start` (x-nextjs-rewritten-query: \"\")",
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      "id": 4241,
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      "title": "HMR stops updating after client-side navigation in Turbopack",
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      "description": "After clicking to another page, saved edits stay unchanged in the browser until a manual page reload.",
      "quote": "Following the steps from the previous section, I expect that editing a file after client navigation will be reflected w/out a manual page reload.",
      "affected_surface": "Turbopack dev server",
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      "impact_class": "broken_workflow",
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      "first_seen": "2026-09-15 20:20:44+00",
      "last_seen": "2026-09-15 20:20:44+00",
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        "macos"
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      "versions": [
        "127.0.0.1"
      ],
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      "workaround": {
        "id": 606,
        "text": "Reload the page manually after client navigation; later edits then update without reloading",
        "worked": 0,
        "failed": 0,
        "source": "naming"
      },
      "exemplars": [
        {
          "title": "Turbopack: HMR stops updating after client navigation",
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          "created_at": "2026-09-15 20:20:44+00"
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      "id": 4131,
      "product": "next-js",
      "kind": "bug",
      "title": "Turbopack build hangs when worker imports its spawning module",
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      "named": true,
      "status": "workaround",
      "description": "`next build` never returns after \"Creating an optimized production build ...\" with 0% CPU and no error; webpack builds succeed.",
      "quote": "Current: `next build` with Turbopack hangs silently.",
      "affected_surface": "Turbopack build",
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      "impact_class": "broken_workflow",
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      "voters": 1,
      "first_seen": "2026-10-02 16:31:46+00",
      "last_seen": "2026-10-13 13:51:06+00",
      "platforms": [
        "macos"
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        "25.5.0",
        "5.11.3"
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      "cohesion": 0.97,
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      "workaround": {
        "id": 254,
        "text": "Break the cycle: edit `lib/work.js` so it no longer imports `lib/spawn.js`, or build with webpack (`npm run build:webpack`).",
        "worked": 0,
        "failed": 0,
        "source": "naming"
      },
      "exemplars": [
        {
          "title": "Turbopack: next build hangs (0% CPU, no error) when a Web Worker's module graph imports the module that spawns it",
          "url": "https://github.com/vercel/next.js/issues/99593",
          "author": "dranshrad",
          "created_at": "2026-10-02 16:32:39+00"
        },
        {
          "title": "Turbopack: `next build` hangs (0% CPU, no error) when a Web Worker's module graph imports the module that spawns it",
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          "created_at": "2026-10-13 13:51:06+00"
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        {
          "title": "Turbopack: next build hangs (0% CPU, no error) when a Web Worker's module graph imports the module that spawns it",
          "url": "https://github.com/vercel/next.js/issues/99592",
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          "created_at": "2026-10-02 16:31:46+00"
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    {
      "id": 4180,
      "product": "next-js",
      "kind": "bug",
      "title": "Turbopack loaders run on a file's previous content",
      "short_name": "Loaders get stale file content",
      "named": true,
      "status": "open",
      "description": "Happens after editing a file in `next dev` or after a persistent build-cache restore; stateful loaders like `@tailwindcss/turbopack` ship stale CSS.",
      "quote": "The first call gets the file's **previous** content, although the file on disk already has the new content.",
      "affected_surface": "Turbopack loaders",
      "error_signature": null,
      "job": null,
      "impact_class": "broken_workflow",
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      "reports": 2,
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