fix(deps): update dependency next to v15 [security]

[renovate]

ℹ️ Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package	Change	Age	Confidence
next (source)	10.0.7 → 15.5.16

---

XSS in Image Optimization API for Next.js

CVE-2021-39178 / GHSA-9gr3-7897-pp7m

More information

Details

Impact

• Affected: All of the following must be true to be affected
  • Next.js between version 10.0.0 and 11.1.0
  • The next.config.js file has images.domains array assigned
  • The image host assigned in images.domains allows user-provided SVG
• Not affected: The next.config.js file has images.loader assigned to something other than default
• Not affected: Deployments on Vercel are not affected

Patches

Next.js v11.1.1

Severity

• CVSS Score: 7.5 / 10 (High)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

• https://github.com/vercel/next.js/security/advisories/GHSA-9gr3-7897-pp7m
• https://github.com/vercel/next.js/releases/tag/v11.1.1
• https://nvd.nist.gov/vuln/detail/CVE-2021-39178
• https://github.com/vercel/next.js/pull/28620
• https://github.com/vercel/next.js/commit/7afc97c5744b38bdf36aa7f87625f438224688aa
• https://github.com/advisories/GHSA-9gr3-7897-pp7m

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Improper CSP in Image Optimization API for Next.js versions between 10.0.0 and 12.1.0

CVE-2022-23646 / GHSA-fmvm-x8mv-47mj

More information

Details

Next.js is a React framework. Starting with version 10.0.0 and prior to version 12.1.0, Next.js is vulnerable to User Interface (UI) Misrepresentation of Critical Information. In order to be affected, the next.config.js file must have an images.domains array assigned and the image host assigned in images.domains must allow user-provided SVG. If the next.config.js file has images.loader assigned to something other than default, the instance is not affected. Version 12.1.0 contains a patch for this issue. As a workaround, change next.config.js to use a different loader configuration other than the default.

Impact

• Affected: All of the following must be true to be affected
  • Next.js between version 10.0.0 and 12.0.10
  • The next.config.js file has images.domains array assigned
  • The image host assigned in images.domains allows user-provided SVG
• Not affected: The next.config.js file has images.loader assigned to something other than default

Patches

Next.js 12.1.0

Workarounds

Change next.config.js to use a different loader configuration other than the default, for example:

module.exports = {
  images: {
    loader: 'imgix',
    path: 'https://example.com/myaccount/',
  },
}

Or if you want to use the loader prop on the component, you can use custom:

module.exports = {
  images: {
    loader: 'custom',
  },
}

Severity

• CVSS Score: 5.9 / 10 (Medium)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References

• https://github.com/vercel/next.js/security/advisories/GHSA-fmvm-x8mv-47mj
• https://github.com/vercel/next.js/releases/tag/v12.1.0
• https://nvd.nist.gov/vuln/detail/CVE-2022-23646
• https://github.com/vercel/next.js/pull/34075
• https://github.com/advisories/GHSA-fmvm-x8mv-47mj

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Unexpected server crash in Next.js.

CVE-2021-43803 / GHSA-25mp-g6fv-mqxx

More information

Details

Next.js is a React framework. In versions of Next.js prior to 12.0.5 or 11.1.3, invalid or malformed URLs could lead to a server crash. In order to be affected by this issue, the deployment must use Next.js versions above 11.1.0 and below 12.0.5, Node.js above 15.0.0, and next start or a custom server. Deployments on Vercel are not affected, along with similar environments where invalid requests are filtered before reaching Next.js. Versions 12.0.5 and 11.1.3 contain patches for this issue. Note that prior version 0.9.9 package next hosted a different utility (0.4.1 being the latest version of that codebase), and this advisory does not apply to those versions.

Severity

• CVSS Score: 7.5 / 10 (High)
• Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

• https://github.com/vercel/next.js/security/advisories/GHSA-25mp-g6fv-mqxx
• https://github.com/vercel/next.js/pull/32080
• https://github.com/vercel/next.js/commit/6d98b4fb4315dec1badecf0e9bdc212a4272b264
• https://github.com/vercel/next.js/releases/v12.0.5
• https://nvd.nist.gov/vuln/detail/CVE-2021-43803
• https://github.com/vercel/next.js/releases/tag/v11.1.3
• https://github.com/advisories/GHSA-25mp-g6fv-mqxx

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Open Redirect in Next.js

CVE-2021-37699 / GHSA-vxf5-wxwp-m7g9

More information

Details

Next.js is an open source website development framework to be used with the React library. In affected versions specially encoded paths could be used when pages/_error.js was statically generated, allowing an open redirect to occur to an external site. In general, this redirect does not directly harm users although it can allow for phishing attacks by redirecting to an attacker's domain from a trusted domain.

Impact

• Affected: Users of Next.js between 10.0.5 and 10.2.0
• Affected: Users of Next.js between 11.0.0 and 11.0.1 using pages/_error.js without getInitialProps
• Affected: Users of Next.js between 11.0.0 and 11.0.1 using pages/_error.js and next export
• Not affected: Deployments on Vercel (vercel.com) are not affected
• Not affected: Deployments with pages/404.js
• Note that versions prior to 0.9.9 package next npm package hosted a different utility (0.4.1 being the latest version of that codebase), and this advisory does not apply to those versions.

We recommend upgrading to the latest version of Next.js to improve the overall security of your application.

Patches

https://github.com/vercel/next.js/releases/tag/v11.1.0

Severity

• CVSS Score: 6.9 / 10 (Medium)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N

References

• https://github.com/vercel/next.js/security/advisories/GHSA-vxf5-wxwp-m7g9
• https://nvd.nist.gov/vuln/detail/CVE-2021-37699
• https://github.com/vercel/next.js/releases/tag/v11.1.0
• https://github.com/advisories/GHSA-vxf5-wxwp-m7g9

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Next.js missing cache-control header may lead to CDN caching empty reply

CVE-2023-46298 / GHSA-c59h-r6p8-q9wc

More information

Details

Next.js before 13.4.20-canary.13 lacks a cache-control header and thus empty prefetch responses may sometimes be cached by a CDN, causing a denial of service to all users requesting the same URL via that CDN. Cloudflare considers these requests cacheable assets.

Severity

Low

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-46298
• https://github.com/vercel/next.js/issues/45301
• https://github.com/vercel/next.js/pull/54732
• https://github.com/vercel/next.js/compare/v13.4.20-canary.12...v13.4.20-canary.13
• https://github.com/vercel/next.js/commit/20d05958ff853e9c9e42139ffec294336881c648
• https://github.com/advisories/GHSA-c59h-r6p8-q9wc

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Next.js Affected by Cache Key Confusion for Image Optimization API Routes

CVE-2025-57752 / GHSA-g5qg-72qw-gw5v

More information

Details

A vulnerability in Next.js Image Optimization has been fixed in v15.4.5 and v14.2.31. When images returned from API routes vary based on request headers (such as Cookie or Authorization), these responses could be incorrectly cached and served to unauthorized users due to a cache key confusion bug.

All users are encouraged to upgrade if they use API routes to serve images that depend on request headers and have image optimization enabled.

More details at Vercel Changelog

Severity

• CVSS Score: 6.2 / 10 (Medium)
• Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

• https://github.com/vercel/next.js/security/advisories/GHSA-g5qg-72qw-gw5v
• https://github.com/vercel/next.js/pull/82114
• https://github.com/vercel/next.js/commit/6b12c60c61ee80cb0443ccd20de82ca9b4422ddd
• https://vercel.com/changelog/cve-2025-57752
• https://nvd.nist.gov/vuln/detail/CVE-2025-57752
• https://github.com/advisories/GHSA-g5qg-72qw-gw5v

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Next.js Content Injection Vulnerability for Image Optimization

CVE-2025-55173 / GHSA-xv57-4mr9-wg8v

More information

Details

A vulnerability in Next.js Image Optimization has been fixed in v15.4.5 and v14.2.31. The issue allowed attacker-controlled external image sources to trigger file downloads with arbitrary content and filenames under specific configurations. This behavior could be abused for phishing or malicious file delivery.

All users relying on images.domains or images.remotePatterns are encouraged to upgrade and verify that external image sources are strictly validated.

More details at Vercel Changelog

Severity

• CVSS Score: 4.3 / 10 (Medium)
• Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

• https://github.com/vercel/next.js/security/advisories/GHSA-xv57-4mr9-wg8v
• https://github.com/vercel/next.js/commit/6b12c60c61ee80cb0443ccd20de82ca9b4422ddd
• http://vercel.com/changelog/cve-2025-55173
• https://nvd.nist.gov/vuln/detail/CVE-2025-55173
• https://vercel.com/changelog/cve-2025-55173
• https://github.com/advisories/GHSA-xv57-4mr9-wg8v

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

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Next.js Improper Middleware Redirect Handling Leads to SSRF

CVE-2025-57822 / GHSA-4342-x723-ch2f

More information

Details

A vulnerability in Next.js Middleware has been fixed in v14.2.32 and v15.4.7. The issue occurred when request headers were directly passed into NextResponse.next(). In self-hosted applications, this could allow Server-Side Request Forgery (SSRF) if certain sensitive headers from the incoming request were reflected back into the response.

All users implementing custom middleware logic in self-hosted environments are strongly encouraged to upgrade and verify correct usage of the next() function.

More details at Vercel Changelog

Severity

• CVSS Score: 6.5 / 10 (Medium)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

References

• https://github.com/vercel/next.js/security/advisories/GHSA-4342-x723-ch2f
• https://github.com/vercel/next.js/commit/9c9aaed5bb9338ef31b0517ccf0ab4414f2093d8
• https://vercel.com/changelog/cve-2025-57822
• https://nvd.nist.gov/vuln/detail/CVE-2025-57822
• https://github.com/advisories/GHSA-4342-x723-ch2f

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

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Next.js Race Condition to Cache Poisoning

CVE-2025-32421 / GHSA-qpjv-v59x-3qc4

More information

Details

Summary
We received a responsible disclosure from Allam Rachid (zhero) for a low-severity race-condition vulnerability in Next.js. This issue only affects the Pages Router under certain misconfigurations, causing normal endpoints to serve pageProps data instead of standard HTML.

Learn more here

Credit
Thank you to Allam Rachid (zhero) for the responsible disclosure. This research was rewarded as part of our bug bounty program.

Severity

• CVSS Score: 3.7 / 10 (Low)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References

• https://github.com/vercel/next.js/security/advisories/GHSA-qpjv-v59x-3qc4
• https://nvd.nist.gov/vuln/detail/CVE-2025-32421
• https://vercel.com/changelog/cve-2025-32421
• https://github.com/advisories/GHSA-qpjv-v59x-3qc4

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Next.js self-hosted applications vulnerable to DoS via Image Optimizer remotePatterns configuration

CVE-2025-59471 / GHSA-9g9p-9gw9-jx7f

More information

Details

A DoS vulnerability exists in self-hosted Next.js applications that have remotePatterns configured for the Image Optimizer. The image optimization endpoint (/_next/image) loads external images entirely into memory without enforcing a maximum size limit, allowing an attacker to cause out-of-memory conditions by requesting optimization of arbitrarily large images. This vulnerability requires that remotePatterns is configured to allow image optimization from external domains and that the attacker can serve or control a large image on an allowed domain.

Strongly consider upgrading to 15.5.10 and 16.1.5 to reduce risk and prevent availability issues in Next applications.

Severity

• CVSS Score: 5.9 / 10 (Medium)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

• https://github.com/vercel/next.js/security/advisories/GHSA-9g9p-9gw9-jx7f
• https://nvd.nist.gov/vuln/detail/CVE-2025-59471
• https://github.com/vercel/next.js/commit/500ec83743639addceaede95e95913398975156c
• https://github.com/vercel/next.js/commit/e5b834d208fe0edf64aa26b5d76dcf6a176500ec
• https://github.com/vercel/next.js/releases/tag/v15.5.10
• https://github.com/vercel/next.js/releases/tag/v16.1.5
• https://github.com/advisories/GHSA-9g9p-9gw9-jx7f

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Next.js: HTTP request smuggling in rewrites

CVE-2026-29057 / GHSA-ggv3-7p47-pfv8

More information

Details

Summary

When Next.js rewrites proxy traffic to an external backend, a crafted DELETE/OPTIONS request using Transfer-Encoding: chunked could trigger request boundary disagreement between the proxy and backend. This could allow request smuggling through rewritten routes.

Impact

An attacker could smuggle a second request to unintended backend routes (for example, internal/admin endpoints), bypassing assumptions that only the configured rewrite destination/path is reachable. This does not impact applications hosted on providers that handle rewrites at the CDN level, such as Vercel.

Patches

The vulnerability originated in an upstream library vendored by Next.js. It is fixed by updating that dependency’s behavior so content-length: 0 is added only when both content-length and transfer-encoding are absent, and transfer-encoding is no longer removed in that code path.

Workarounds

If upgrade is not immediately possible:

• Block chunked DELETE/OPTIONS requests on rewritten routes at your edge/proxy.
• Enforce authentication/authorization on backend routes per our security guidance.

Severity

• CVSS Score: 6.3 / 10 (Medium)
• Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References

• https://github.com/vercel/next.js/security/advisories/GHSA-ggv3-7p47-pfv8
• https://github.com/vercel/next.js/commit/dc98c04f376c6a1df76ec3e0a2d07edf4abdabd6
• https://github.com/vercel/next.js/releases/tag/v15.5.13
• https://github.com/vercel/next.js/releases/tag/v16.1.7
• https://nvd.nist.gov/vuln/detail/CVE-2026-29057
• https://github.com/advisories/GHSA-ggv3-7p47-pfv8

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Next.js: Unbounded next/image disk cache growth can exhaust storage

CVE-2026-27980 / GHSA-3x4c-7xq6-9pq8

More information

Details

Summary

The default Next.js image optimization disk cache (/_next/image) did not have a configurable upper bound, allowing unbounded cache growth.

Impact

An attacker could generate many unique image-optimization variants and exhaust disk space, causing denial of service. Note that this does not impact platforms that have their own image optimization capabilities, such as Vercel.

Patches

Fixed by adding an LRU-backed disk cache with images.maximumDiskCacheSize, including eviction of least-recently-used entries when the limit is exceeded. Setting maximumDiskCacheSize: 0 disables disk caching.

Workarounds

If upgrade is not immediately possible:

• Periodically clean .next/cache/images.
• Reduce variant cardinality (e.g., tighten values for images.localPatterns, images.remotePatterns, and images.qualities)

Severity

• CVSS Score: 6.9 / 10 (Medium)
• Vector String: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

References

• https://github.com/vercel/next.js/security/advisories/GHSA-3x4c-7xq6-9pq8
• https://github.com/vercel/next.js/commit/39eb8e0ac498b48855a0430fbf4c22276a73b4bd
• https://github.com/vercel/next.js/releases/tag/v16.1.7
• https://nvd.nist.gov/vuln/detail/CVE-2026-27980
• https://github.com/advisories/GHSA-3x4c-7xq6-9pq8

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Next.js has a Denial of Service in the Image Optimization API

CVE-2026-44577 / GHSA-h64f-5h5j-jqjh

More information

Details

Impact

When self-hosting Next.js with the default image loader, the Image Optimization API fetches local images entirely into memory without enforcing a maximum size limit. An attacker could cause out-of-memory conditions by requesting large local assets from the /_next/image endpoint that match the images.localPatterns configuration (by default, all patterns are allowed).

• If you are using images.localPatterns, only the patterns in that array are impacted.
• If you are using images.unoptimized: true, you are NOT impacted.
• If you are using images.loader: 'custom', you are NOT impacted.
• If you are using Vercel, you are NOT impacted.

Fix

We now apply response size limits consistently to internal image fetches, not just external ones, and fail oversized responses before they can exhaust process memory.

This can be adjusted using the images.maximumResponseBody configuration.

Workarounds

If you cannot upgrade immediately, avoid routing large local assets through /_next/image, disable image optimization for large or untrusted local files, or block image optimization access to those assets at the edge.

You can disable using the images.localPatterns: [] configuration. This will still allow fetching remote images (which is not impacted).

Severity

• CVSS Score: 5.9 / 10 (Medium)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

• https://github.com/vercel/next.js/security/advisories/GHSA-h64f-5h5j-jqjh
• https://github.com/vercel/next.js/releases/tag/v15.5.16
• https://github.com/vercel/next.js/releases/tag/v16.2.5
• https://nvd.nist.gov/vuln/detail/CVE-2026-44577
• https://github.com/advisories/GHSA-h64f-5h5j-jqjh

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

---

Release Notes

vercel/next.js (next)

v15.5.16

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This release contains security fixes for the following advisories:

High:

• GHSA-8h8q-6873-q5fj: Denial of Service with Server Components
• GHSA-267c-6grr-h53f: Middleware / Proxy bypass in App Router applications via segment-prefetch routes
• GHSA-mg66-mrh9-m8jx: Denial of Service via connection exhaustion in applications using Cache Components
• GHSA-492v-c6pp-mqqv: Middleware / Proxy bypass through dynamic route parameter injection
• GHSA-c4j6-fc7j-m34r: Server-side request forgery in applications using WebSocket upgrades
• GHSA-36qx-fr4f-26g5: Middleware / Proxy bypass in Pages Router applications using i18n

Moderate:

• GHSA-ffhc-5mcf-pf4q: Cross-site scripting in App Router applications using CSP nonces
• GHSA-gx5p-jg67-6x7h: Cross-site scripting in beforeInteractive scripts with untrusted input
• GHSA-h64f-5h5j-jqjh: Denial of Service in the Image Optimization API
• GHSA-wfc6-r584-vfw7: Cache poisoning in React Server Component responses

Low:

• GHSA-vfv6-92ff-j949: Cache poisoning via collisions in React Server Component cache-busting
• GHSA-3g8h-86w9-wvmq: Middleware / Proxy redirects can be cache-poisoned

v15.5.15

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Please refer the following changelogs for more information about this security release:

https://vercel.com/changelog/summary-of-cve-2026-23869

v15.5.14

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[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• feat(next/image): add lru disk cache and images.maximumDiskCacheSize (#​91660)
• Fix(pages-router): restore Content-Length and ETag for /_next/data/ JSON responses (#​90304)

Credits

Huge thanks to @​styfle and @​lllomh for helping!

v15.5.13

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[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: patch http-proxy to prevent request smuggling in rewrites (See: CVE-2026-29057)

Credits

Huge thanks to @​ztanner for helping!

v15.5.12

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[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

• fix unlock in publish-native

This is a re-release of v15.5.11 applying the turbopack changes.

v15.5.11

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[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• Tracing: Fix memory leak in span map (#​85529)
• fix: ensure LRU cache items have minimum size of 1 to prevent unbounded growth (#​89134)
• Turbopack: fix NFT tracing of sharp 0.34 (#​82340)
• Turbopack: support pattern into exports field (#​82757)
• NFT tracing fixes (#​84155 and #​85323)
• Turbopack: validate CSS without computing all paths (#​83810)
• feat: implement LRU cache with invocation ID scoping for minimal mode response cache (#​89129)

Credits

Huge thanks to @​timneutkens, @​mischnic, @​ztanner, and @​wyattjoh for helping!

v15.5.10

Compare Source

Please refer the following changelogs for more information about this security release:

• https://vercel.com/changelog/summaries-of-cve-2025-59471-and-cve-2025-59472
• https://vercel.com/changelog/summary-of-cve-2026-23864

v15.5.9

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Please see the Next.js Security Update for information about this security patch.

v15.5.8

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v15.5.7

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Please see CVE-2025-66478 for additional details about this release.

v15.5.6

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[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• Turbopack: don't define process.cwd() in node_modules #​83452

Credits

Huge thanks to @​mischnic for helping!

v15.5.5

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• Split code-frame into separate compiled package (#​84238)
• Add deprecation warning to Runtime config (#​84650)
• fix: unstable_cache should perform blocking revalidation during ISR revalidation (#​84716)
• feat: experimental.middlewareClientMaxBodySize body cloning limit (#​84722)
• fix: missing next/link types with typedRoutes (#​84779)

Misc Changes

• docs: early October improvements and fixes (#​84334)

Credits

Huge thanks to @​devjiwonchoi, @​ztanner, and @​icyJoseph for helping!

v15.5.4

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[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: ensure onRequestError is invoked when otel enabled (#​83343)
• fix: devtools initial position should be from next config (#​83571)
• [devtool] fix overlay styles are missing (#​83721)
• Turbopack: don't match dynamic pattern for node_modules packages (#​83176)
• Turbopack: don't treat metadata routes as RSC (#​82911)
• [turbopack] Improve handling of symlink resolution errors in track_glob and read_glob (#​83357)
• Turbopack: throw large static metadata error earlier (#​82939)
• fix: error overlay not closing when backdrop clicked (#​83981)
• Turbopack: flush Node.js worker IPC on error (#​84077)

Misc Changes

• [CNA] use linter preference (#​83194)
• CI: use KV for test timing data (#​83745)
• docs: september improvements and fixes (#​83997)

Credits

Huge thanks to @​yiminghe, @​huozhi, @​devjiwonchoi, @​mischnic, @​lukesandberg, @​ztanner, @​icyJoseph, @​leerob, @​fufuShih, @​dwrth, @​aymericzip, @​obendev, @​molebox, @​OoMNoO, @​pontasan, @​styfle, @​HondaYt, @​ryuapp, @​lpalmes, and @​ijjk for helping!

v15.5.3

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: validation return types of pages API routes (#​83069)
• fix: relative paths in dev in validator.ts (#​83073)
• fix: remove satisfies keyword from type validation to preserve old TS compatibility (#​83071)

Credits

Huge thanks to @​bgub for helping!

v15.5.2

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: disable unknownatrules lint rule entirely (#​83059)
• revert: add ?dpl to fonts in /_next/static/media (#​83062)

Credits

Huge thanks to @​bgub and @​ztanner for helping!

v15.5.1

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: aliased navigations should apply scroll handling (#​82900)
• Turbopack: fix invalid NFT entry with file behind symlink (#​82887)
• fix: typesafe linking to route handlers and pages API routes (#​82858)
• fix: change "noUnknownAtRules" to "warn" for Biome (#​82974)
• fix: add path normalization to getRelativePath for Windows (#​82918)
• feat: add typesafety with config.typedRoutes to redirect() and permanentRedirect() (#​82860)
• fix: avoid importing types that will be unused (#​82856)
• fix: update the config.api.responseLimit type (#​82852)
• fix: update validation return types (#​82854)

Credits

Huge thanks to @​bgub, @​mischnic, and @​ztanner for helping!

v15.5.0

Compare Source

Core Changes

• Use and enforce exhaustive switch statements for work unit store: #​81577
• Enable @typescript-eslint/switch-exhaustiveness-check rule: #​81583
• [dynamicIO] use RSC dynamicness to control partial vs complete PPR result: #​81627
• [dynamicIO] Do not use React.unstable_postpone(): #​81652
• feat: new detachable panel UI: #​81483
• Turbopack: content-hash PageLoaderAsset: #​81450
• [segment explorer] fix content overflow styling: #​81649
• Improve reliability of owner stacks for async I/O errors: #​81501
• fix(router): Prevent redirect loop on root data requests with basePath: #​81096
• Ensure custom NextServer config is honored: #​81681
• Fix before interactive incorrectly render css: #​81146
• perf: memorize exclude function in webpack config: #​81525
• Also enforce experimental features when there's no next config file: #​81679
• feat(next/image): warn when images.qualities is undefined: #​81690
• feat(build): optimize filterUniqueParamsCombinations to generate sub-combinations: #​81321
• Update NextAdapter type and re-export: #​81692
• upgrade to path-to-regexp@​6.3.0: #​80123
• [metadata] replace for initial body icon case: #​81688
• [segment explorer] remove dev panel ui flag: #​81670
• Simplify running test apps locally with ppr or dynamicIO enabled: #​81668
• [turbopack] Return cached Promise from __turbopack_load_by_url__ : #​81663
• Upgrade React from 97cdd5d3-20250710 to 2f0e7e57-20250715: #​81678
• Delete unused renderToString function: #​81707
• Discard prerendered route handler data from FS cache after revalidation: #​81611
• Upgrade React from 2f0e7e57-20250715 to d85ec5f5-20250716: #​81708
• Ignore pending revalidations during prerendering: #​81621
• [turbopack] Clear chunk cache on HMR instead of creating new next-server VM: #​81664
• fix: rootParams should throw in client when fallbackParams are not present: #​81711
• perf(build): optimize buildAppStaticPaths performance and add helper function: #​81386
• Turbopack: Support string without options for @​next/mdx: #​81713
• [Segment Cache] Support dynamic head prefetching: #​81677
• [sourcemaps] Consistent cursor columns: #​81375
• fix: revert client segment route changes for sub shell generation: #​81731
• fix: pages router metadata bugs with React 19: #​81733
• Improve error handling for headers/cookies/draftMode in 'use cache': #​81716
• [devtool] fix duplicate rendered indicator on server: #​81729
• [devtool] enable segment explorer by default: #​81737
• [turbopack] Stop exposing globals from Turbopack runtime: #​81727
• Remove unnecessary await: #​81761
• [chore] bump zod to latest v3: #​81757
• feat(turbopack): Log anonymized internal error (panic) information to telemetry: #​81272
• fix: revert client segment route changes for sub shell generation: #​81740
• bugfix: static resources staleTime should be renewed once refetched: #​81771
• [devtool] move font styling to global.css: #​81782
• [devtool] copy decoded info of error details: #​81735
• fix(build): add sourcePage context for PPR dynamic route lambda creation: #​81781
• refactor: rename experimental.dynamicIO to experimental.cacheComponents: #​81562
• Properly handle hanging promise rejections during prerendering: #​81754
• Upgrade React from d85ec5f5-20250716 to dffacc7b-20250717: #​81767
• Refactor: Get rid of overly generic getExpectedRequestStore function: #​81791
• [devtool] migrate css reset to global.css: #​81783
• [dev-tools] Robust shortcut detection: #​81756
• [segment explorer] hide for pages router: #​81813
• [devtool] fix scrollbar styling: #​81814
• fix(ppr): ensure fallback route params trigger dynamic resume: #​81812
• [devtools] restart server pending state: #​80858
• Turbopack: fix dist dir on Windows: #​81758
• fix: remove boundary sentinel from RSC responses: #​81857
• [sourcemaps] Try VM for retrieving source maps first: #​81869
• [devtools] save user config inside .next/cache: #​81807
• Server: Remove unused code: #​81886
• refactor: encapsulate content type within RenderResult: #​81861
• refactor: handle null RenderResult responses gracefully: #​81895
• Upgrade React from dffacc7b-20250717 to e9638c33-20250721: #​81899
• chore(devtools): sync todos to linear: #​81901
• Introduce 'use cache: private': #​81816
• chore(deps): update browserslist: #​81851
• Remove web-server from edge-ssr-app: #​81389
• Stabilize node middleware support: #​81907
• Add run-turbopack-compiler trace span: #​81917
• fix: support calling onClose multiple times in edge-ssr-app: #​81911
• fix: logging the correct process for listened port: #​81903
• Build: Include rewrites in manifest generation: #​81894
• Routing: Clean up some code: #​81932
• [sourcemaps] Ensure codeframe when calling Client Functions from Server: #​81918
• [segment explorer] missing file suggestion: #​81617
• [turbopack] Always print trace labels in headers: #​81728
• Revert "[metadata] use https protocol for schema urls": #​81934
• Upgrade React from e9638c33-20250721 to 7513996f-20250722: #​81940
• Upgrade to swc v33: #​81750
• Remove extra base-server code: #​81944
• Turbopack: flatten sourceInfo to avoid objects, reorder args, compress node.js entry: #​81545
• Fix dynamicParams false layout case in dev: #​81990
• Initial MCP implementation: #​81770
• Fix: Unresolved param in x-nextjs-rewritten-query: #​81991
• Turbopack: Add an option to use system TLS certificates (fixes #​79060, fixes #​79059): #​81818
• Turbopack: Remove unused proxy option in turbo-tasks-fetch, lightly document HTTP_PROXY/HTTPS_PROXY environment variables: #​81905
• Upgrade React from 7513996f-20250722 to edac0dde-20250723: #​81984
• [devtools] Cleanup folder structure: #​82012
• [devtools] Fix "open in editor" for locations in stackframes: #​82013
• [Segment Cache] Fix: Key by rewritten search: #​81986
• Upgrade vercel og and remove yoga type patching: #​81937
• [perf] cache load config results: #​80570
• Turbopack: use prototype for turbopack context for better runtime performance: #​81547
• [reactcompiler] Test with latest RC: #​82002
• [devtools] Fix various exhaustive-deps violations: [#​

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