2026-03-21

• Fix a crash when using lazy dynamic imports with moduleSideEffects:false (#6306)

• #6281: fix(deps): update minor/patch updates (@renovate[bot], @lukastaegert)
• #6282: chore(deps): update github artifact actions (major) (@renovate[bot], @lukastaegert)
• #6283: chore(deps): update dependency nyc to v18 (@renovate[bot], @lukastaegert)
• #6284: fix(deps): update swc monorepo (major) (@renovate[bot])
• #6285: chore(deps): lock file maintenance (@renovate[bot])
• #6290: chore(deps): update minor/patch updates (@renovate[bot], @lukastaegert)
• #6291: chore(deps): update dependency @shikijs/vitepress-twoslash to v4 (@renovate[bot])
• #6292: chore(deps): lock file maintenance (@renovate[bot])
• #6297: chore(deps): update minor/patch updates (@renovate[bot])
• #6298: chore(deps): lock file maintenance (@renovate[bot])
• #6299: chore(deps): lock file maintenance (@renovate[bot])
• #6300: docs: update packagephobia link (@bluwy)
• #6301: chore(deps): update dependency lint-staged to ^16.3.3 (@renovate[bot])
• #6306: fix: fix chunk assignment for deoptimized module with dynamic import (@JoaoBrlt, @lukastaegert)
• #6307: chore(deps): update minor/patch updates (@renovate[bot])
• #6308: chore(deps): update dependency lru-cache to v11 (@renovate[bot])
• #6309: chore(deps): update dependency vite to v8 (@renovate[bot])
• #6310: chore(deps): lock file maintenance (@renovate[bot])
• #6311: chore(deps): lock file maintenance (@renovate[bot])
• #6312: chore(deps): lock file maintenance (@renovate[bot])

Release 2026-03-21 02:33

• Update to solid v2 beta 4

• @tanstack/solid-router@2.0.0-alpha.6
• @tanstack/solid-router-devtools@2.0.0-alpha.4
• @tanstack/solid-router-ssr-query@2.0.0-alpha.6
• @tanstack/solid-start@2.0.0-alpha.7
• @tanstack/solid-start-client@2.0.0-alpha.6
• @tanstack/solid-start-server@2.0.0-alpha.6

Release 2026-03-21 00:31

• Fix React Fast Refresh state preservation for auto code-split ro… (#7000) (9351e99796) by @schiller-manuel

• @tanstack/react-start@1.167.2
• @tanstack/router-plugin@1.167.2
• @tanstack/router-vite-plugin@1.166.17
• @tanstack/solid-start@1.167.2
• @tanstack/start-plugin-core@1.167.5
• @tanstack/vue-start@1.167.2

• Fix adapter outputs for dynamic metadata routes: #91680

• Turbopack: fix webpack loader runner layer: #91727
• [turbopack] Remove incorrect debug_assert in try_read_task_cell: #91699
• Add module count field to module graph tracing spans: #91697
• turbopack-cli: add --persistent-caching flag for filesystem-backed cache: #91657
• Turbopack: pull in updated vercel/nft tests: #91651
• Update Rspack development test manifest: #91695
• [test] Unflake use-node-streams-env-precedence test: #91733
• Update Rspack production test manifest: #91694
• [turbopack] Improve regressed build speed on cross-compiled MUSL: #91477

Huge thanks to @ijjk, @mischnic, @sokra, @vercel-release-bot, @unstubbable, and @mmastrac for helping!

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

• docs: post release amends (#91715)
• docs: fix broken Activity Patterns demo link in preserving UI state guide (#91698)
• Fix adapter outputs for dynamic metadata routes (#91680)
• Turbopack: fix webpack loader runner layer (#91727)
• Fix server actions in standalone mode with cacheComponents (#91711)
• turbo-persistence: remove Unmergeable mmap advice (#91713)
• Fix layout segment optimization: move app-page imports to server-utility transition (#91701)
• Turbopack: lazy require metadata and handle TLA (#91705)
• [turbopack] Respect {eval:true} in worker_threads constructors (#91666)

Huge thanks to @icyJoseph, @abhishekmardiya, @ijjk, @mischnic, @unstubbable, @sokra, and @lukesandberg for helping!

• @formatjs/cli: add --follow-links flag for symlink traversal in glob patterns (#6174) (4d15497) - by @longlho

• @formatjs/cli: add --follow-links flag for symlink traversal in glob patterns (#6174) (4d15497) - by @longlho

• #15978 6d182fe Thanks @seroperson! - Fixes a bug where Astro Actions didn't properly support nested object properties, causing problems when users used zod functions such as superRefine or discriminatedUnion.

• #16011 e752170 Thanks @matthewp! - Fixes a dev server hang on the first request when using the Cloudflare adapter

• #15997 1fddff7 Thanks @ematipico! - Fixes Astro.rewrite() failing when the target path contains duplicate slashes (e.g. //about). The duplicate slashes are now collapsed before URL parsing, preventing them from being interpreted as a protocol-relative URL.

• Updated dependencies [3b8d473]:
  • @astrojs/underscore-redirects@1.0.2

• #15979 3b8d473 Thanks @alexanderniebuhr! - Fixes an issue where redirects in _redirects file where not correctly created with trailing slashes.