# tRPC changelog

> End-to-end typesafe APIs made easy.

- Vendor: tRPC
- Category: Frameworks & Libraries
- Official site: https://trpc.io
- Tracked by: What's New (https://whatsnew.fyi/product/trpc)
- Harvested from: GitHub (trpc/trpc)
- Entries below: 10 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

## Releases

### v11.18.0

- Date: 2026-06-18
- Version: v11.18.0
- Original notes: https://github.com/trpc/trpc/releases/tag/v11.18.0
- Permalink: https://whatsnew.fyi/product/trpc/releases/v11.18.0

- **fixed** — Add prefix support for mutation options in tanstack-react-query
- **added** — Add server url support to openapi

##### What's Changed
* fix(ci): restore tests package version and pin Bun by @KATT in https://github.com/trpc/trpc/pull/7393
* fix(tanstack-react-query): add prefix support for mutation options by @tmkx in https://github.com/trpc/trpc/pull/7370
* chore: fix duplicate "the" in unstable-core JSDoc comment by @dfedoryshchev in https://github.com/trpc/trpc/pull/7366
* feat(openapi): Add server url support by @Nick-Lucas in https://github.com/trpc/trpc/pull/7411

##### New Contributors
* @dfedoryshchev made their first contribution in https://github.com/trpc/trpc/pull/7366

**Full Changelog**: https://github.com/trpc/trpc/compare/v11.17.0...v11.18.0

### v11.17.0

- Date: 2026-04-28
- Version: v11.17.0
- Original notes: https://github.com/trpc/trpc/releases/tag/v11.17.0
- Permalink: https://whatsnew.fyi/product/trpc/releases/v11.17.0

- **fixed** — Unwrap error from cause for streaming onError
- **added** — Add subscription inference helpers
- **fixed** — Handle React 19 proxy coercion in createInnerProxy

##### What's Changed
* chore(deps): bump next from 15.5.10 to 15.5.14 by @dependabot[bot] in https://github.com/trpc/trpc/pull/7268
* chore: Review stale skills (v11.16.0) by @github-actions[bot] in https://github.com/trpc/trpc/pull/7295
* fix(server): unwrap error from cause for streaming onError by @zirkelc in https://github.com/trpc/trpc/pull/7286
* chore: Add cache checks for openapi router fixtures by @Nick-Lucas in https://github.com/trpc/trpc/pull/7296
* chore: Update Hey API for new type imports by @Nick-Lucas in https://github.com/trpc/trpc/pull/7298
* docs: Add oasdiff docs to openapi by @Nick-Lucas in https://github.com/trpc/trpc/pull/7299
* feat: Add subscription inferrence helpers by @Nick-Lucas in https://github.com/trpc/trpc/pull/7303
* fix(www): Add accessible text to links without discernible text by @cyphercodes in https://github.com/trpc/trpc/pull/7302
* fix(deps): update dependency @tanstack/intent to ^0.0.27 by @renovate[bot] in https://github.com/trpc/trpc/pull/7309
* fix(deps): update dependency srvx to v0.11.14 by @renovate[bot] in https://github.com/trpc/trpc/pull/7310
* chore(deps): update dependency @oxc-project/runtime to v0.123.0 by @renovate[bot] in https://github.com/trpc/trpc/pull/7311
* fix(deps): update dependency @clack/prompts to v1.2.0 by @renovate[bot] in https://github.com/trpc/trpc/pull/7312
* chore(deps): bump fastify from 5.8.1 to 5.8.3 by @dependabot[bot] in https://github.com/trpc/trpc/pull/7288
* chore(deps): update codecov/codecov-action action to v6 by @renovate[bot] in https://github.com/trpc/trpc/pull/7313
* fix(deps): update dependency eslint-plugin-unicorn to v64 by @renovate[bot] in https://github.com/trpc/trpc/pull/7314
* fix(deps): update dependency undici to v8 by @renovate[bot] in https://github.com/trpc/trpc/pull/7316
* chore(monorepo): remove versions from private workspaces by @KATT in https://github.com/trpc/trpc/pull/7306
* fix(server): handle React 19 proxy coercion in createInnerProxy by @DORI2001 in https://github.com/trpc/trpc/pull/7336
* docs: add trpc-studio to awesome-trpc extensions by @sayefdeen in https://github.com/trpc/trpc/pull/7340
* chore: upgrade pnpm to 10.33.1 by @KATT in https://github.com/trpc/trpc/pull/7350
* build: upgrade drizzle in next-sse-chat example by @KATT in https://github.com/trpc/trpc/pull/7351
* chore(www): Add Legora to website logos by @KATT in https://github.com/trpc/trpc/pull/7358

##### New Contributors
* @cyphercodes made their first contribution in https://github.com/trpc/trpc/pull/7302
* @DORI2001 made their first contribution in https://github.com/trpc/trpc/pull/7336
* @sayefdeen made their first contribution in https://github.com/trpc/trpc/pull/7340

**Full Changelog**: https://github.com/trpc/trpc/compare/v11.16.0...v11.17.0

### v11.16.0

- Date: 2026-03-28
- Version: v11.16.0
- Original notes: https://github.com/trpc/trpc/releases/tag/v11.16.0
- Permalink: https://whatsnew.fyi/product/trpc/releases/v11.16.0

- **added** — OpenAPI Cyclic Types support
- **changed** — Drop the type depth limit of 20 and significantly harden cyclic-type support for both inference and Zod
- **added** — Support zod.lazy via Standard Schema fallback
- **changed** — Strip symbols from output to remove symbols like __@asyncIterator@ from output
- **changed** — Add more comprehensive types for the OpenAPI doc from the official package and apply patches to these types
- **fixed** — Fix several issues with gathering schema descriptions, such as consuming jsdoc comments from node_modules types

##### What's Changed
* feat: OpenAPI Cyclic Types support by @Nick-Lucas in https://github.com/trpc/trpc/pull/7283
* chore: Review stale skills (manual) by @github-actions[bot] in https://github.com/trpc/trpc/pull/7294

###### `@trpc/openapi` 11.16.0-alpha

* Drops the type depth limit of 20, and significantly hardens cyclic-type support for both inference and Zod
* Support zod.lazy via Standard Schema fallback
* Strip symbols from output (no more `__@asyncIterator@5456` symbols in output)
* Add more comprehensive types for the OpenAPI doc from the official package (now a dependency) and apply some patches to these types because they're slightly outdated
* Fixes several issues with gathering schema descriptions, such as consuming jsdoc comments from node_modules types

##### New Contributors
* @github-actions[bot] made their first contribution in https://github.com/trpc/trpc/pull/7294

**Full Changelog**: https://github.com/trpc/trpc/compare/v11.15.1...v11.16.0

### v11.15.1

- Date: 2026-03-26
- Version: v11.15.1
- Original notes: https://github.com/trpc/trpc/releases/tag/v11.15.1
- Permalink: https://whatsnew.fyi/product/trpc/releases/v11.15.1

- **fixed** — render sponsor links in static HTML for SEO
- **fixed** — error handling with Node VM

##### What's Changed
* fix(www): render sponsor links in static HTML for SEO by @shtefcs in https://github.com/trpc/trpc/pull/7285
* fix: error handling with Node VM by @znikola in https://github.com/trpc/trpc/pull/7280

##### New Contributors
* @shtefcs made their first contribution in https://github.com/trpc/trpc/pull/7285
* @znikola made their first contribution in https://github.com/trpc/trpc/pull/7280

**Full Changelog**: https://github.com/trpc/trpc/compare/v11.15.0...v11.15.1

### v11.15.0

- Date: 2026-03-23
- Version: v11.15.0
- Original notes: https://github.com/trpc/trpc/releases/tag/v11.15.0
- Permalink: https://whatsnew.fyi/product/trpc/releases/v11.15.0

- **added** — Add max batch size option to server
- **changed** — Update pathExtractor to use empty string fallback in documentation

##### What's Changed
* docs: empty string fallback on pathExtractor by @dorukozerr in https://github.com/trpc/trpc/pull/7270
* feat(server): max batch size by @Nick-Lucas in https://github.com/trpc/trpc/pull/7191

##### New Contributors
* @dorukozerr made their first contribution in https://github.com/trpc/trpc/pull/7270

**Full Changelog**: https://github.com/trpc/trpc/compare/v11.14.1...v11.15.0

### v11.14.1

- Date: 2026-03-20
- Version: v11.14.1
- Original notes: https://github.com/trpc/trpc/releases/tag/v11.14.1
- Permalink: https://whatsnew.fyi/product/trpc/releases/v11.14.1

- **added** — Tanstack Intent Skills feature

##### What's Changed
* feat: Tanstack Intent Skills by @Nick-Lucas in https://github.com/trpc/trpc/pull/7252

**Full Changelog**: https://github.com/trpc/trpc/compare/v11.14.0...v11.14.1

### v11.14.0

- Date: 2026-03-20
- Version: v11.14.0
- Original notes: https://github.com/trpc/trpc/releases/tag/v11.14.0
- Permalink: https://whatsnew.fyi/product/trpc/releases/v11.14.0

- **fixed** — Use correct call index in batch stream error handling on server
- **fixed** — Preserve buffered chunks on stream close in httpBatchStreamLink

##### What's Changed
* fix(server): use correct call index in batch stream error handling by @karesansui-u in https://github.com/trpc/trpc/pull/7262
* fix: preserve buffered chunks on stream close in httpBatchStreamLink by @luinbytes in https://github.com/trpc/trpc/pull/7233

##### New Contributors
* @karesansui-u made their first contribution in https://github.com/trpc/trpc/pull/7262
* @luinbytes made their first contribution in https://github.com/trpc/trpc/pull/7233

**Full Changelog**: https://github.com/trpc/trpc/compare/v11.13.4...v11.14.0

### v11.13.2

- Date: 2026-03-15
- Version: v11.13.2
- Original notes: https://github.com/trpc/trpc/releases/tag/v11.13.2
- Permalink: https://whatsnew.fyi/product/trpc/releases/v11.13.2

- **fixed** — Correct typo 'commitedFiles' → 'committedFiles'
- **changed** — Revamp docs content for 2026, more framework agnostic, improved Next.js docs
- **added** — Support OpenAPI json generation for any tRPC appRouter
- **changed** — Fix some OpenAPI AI feedback
- **added** — Add `streamHeader` option to httpBatchStreamLink

##### What's Changed
* fix: correct typo 'commitedFiles' → 'committedFiles' by @mitre88 in https://github.com/trpc/trpc/pull/7221
* feat(docs): revamp docs content for 2026, more framework agnostic, improved Next.js docs by @Nick-Lucas in https://github.com/trpc/trpc/pull/7193
* feat: Support OpenAPI json generation for any tRPC appRouter by @Nick-Lucas in https://github.com/trpc/trpc/pull/7231
* feat: Fix some OpenAPI AI feedback by @Nick-Lucas in https://github.com/trpc/trpc/pull/7242
* feat: add `streamHeader` option to httpBatchStreamLink by @anatolzak in https://github.com/trpc/trpc/pull/7241

##### New Contributors
* @mitre88 made their first contribution in https://github.com/trpc/trpc/pull/7221
* @pendant-k made their first contribution in https://github.com/trpc/trpc/pull/7236

**Full Changelog**: https://github.com/trpc/trpc/compare/v11.12.0...v11.13.2

### v11.12.0

- Date: 2026-03-06
- Version: v11.12.0
- Original notes: https://github.com/trpc/trpc/releases/tag/v11.12.0
- Permalink: https://whatsnew.fyi/product/trpc/releases/v11.12.0

- **fixed** — useSuspenseInfiniteQuery shows skipToken type error when getNextPageParam is not provided
- **fixed** — SSE subscriptions don't reconnect after maxDurationMs

##### What's Changed
* fix(tanstack-react-query): useSuspenseInfiniteQuery shows skipToken type error when getNextPageParam is not provided by @Nick-Lucas in https://github.com/trpc/trpc/pull/7190
* fix: SSE subscriptions don't reconnect after maxDurationMs (#7094) by @bxff in https://github.com/trpc/trpc/pull/7207

##### New Contributors
* @bxff made their first contribution in https://github.com/trpc/trpc/pull/7207

**Full Changelog**: https://github.com/trpc/trpc/compare/v11.11.0...v11.12.0

### v11.11.0

- Date: 2026-03-01
- Version: v11.11.0
- Original notes: https://github.com/trpc/trpc/releases/tag/v11.11.0
- Permalink: https://whatsnew.fyi/product/trpc/releases/v11.11.0

- **added** — Export types SubscriptionResolver and ResolverDef from client

##### What's Changed
* docs: fix zod v4 zAsyncIterable generic order in subscriptions guide by @aviu16 in https://github.com/trpc/trpc/pull/7174
* Update context documentation to remove database reference by @clicktodev in https://github.com/trpc/trpc/pull/7188
* docs: add note on tradeoffs for large clients in createContextInner by @clicktodev in https://github.com/trpc/trpc/pull/7192
* feat(client): Export types SubscriptionResolver and ResolverDef by @cooolbros in https://github.com/trpc/trpc/pull/6803

##### New Contributors
* @aviu16 made their first contribution in https://github.com/trpc/trpc/pull/7174
* @cooolbros made their first contribution in https://github.com/trpc/trpc/pull/6803

**Full Changelog**: https://github.com/trpc/trpc/compare/v11.10.0...v11.11.0