release: 2.21.0

[contextualbeer]

Automated Release PR

2.21.0 (2026-09-22)

Features

• answers: add live web research with fast and ultra modes (#954) (8d9f488)
• api-keys: enforce scoped API key permissions (#1038) (de5e60d)
• api: api update (58fd8f0)
• api: api update (f5eb318)
• api: api update (ffd01d5)
• api: api update (b1101a1)
• api: api update (f75cd70)
• api: api update (104dc69)
• api: api update (7b284c4)
• api: api update (c07e20e)
• api: api update (f2ab5fb)
• api: api update (fac7d50)
• api: api update (fd6690d)
• api: api update (ac230f1)
• api: api update (2ccf412)
• api: api update (3baa8e2)
• api: api update (86ef735)
• api: api update (21cab16)
• api: api update (8189242)
• api: api update (7d20482)
• api: api update (38a76ed)
• api: api update (25fb630)
• api: api update (085497a)
• api: api update (a7943e0)
• api: api update (47d8000)
• api: api update (5fa7a85)
• api: api update (df82d37)
• api: api update (d8cc126)
• api: api update (54940ea)
• api: api update (09c34c9)
• api: api update (dc895a6)
• api: api update (8c1f563)
• api: api update (8b7d1bd)
• api: api update (270e0f4)
• api: api update (4ad7020)
• api: api update (23b9a00)
• api: api update (fa3004d)
• api: api update (424b19c)
• api: api update (4259ccf)
• api: api update (0071a81)
• api: api update (0933b38)
• api: api update (30f64e8)
• api: api update (5993dbd)
• api: api update (14c9c07)
• api: api update (4b1235d)
• api: api update (4e51a12)
• api: api update (8feca6f)
• api: api update (c71ac97)
• api: api update (fb65bd7)
• api: api update (bc07c8f)
• api: api update (402e2e6)
• api: api update (99e1084)
• api: api update (45dfe9d)
• api: api update (2bc6657)
• api: api update (3a88732)
• api: api update (a888def)
• api: api update (baa7fa6)
• api: api update (5ab7e80)
• api: api update (ffe2ec1)
• api: api update (22e9be5)
• api: api update (de246a0)
• api: api update (8cfe223)
• api: api update (a2eaa08)
• api: api update (974561b)
• api: api update (e40ce25)
• api: api update (ad70731)
• api: api update (5071ecb)
• api: api update (ad438f3)
• api: api update (d05cc69)
• api: api update (5e9b2b9)
• api: api update (df21a3d)
• api: api update (43b0f2b)
• api: api update (ff4cabc)
• api: api update (dc86969)
• api: api update (b7f12a7)
• api: api update (316f71e)
• api: api update (19a1a1f)
• api: api update (59d3893)
• api: api update (35d1563)
• api: api update (22575e6)
• api: api update (6b7df3a)
• api: api update (3fb6dcb)
• api: api update (8756f96)
• api: api update (456c1ba)
• api: api update (9939203)
• api: api update (2764405)
• api: api update (aa46d5e)
• api: api update (86eba4b)
• api: api update (b4011b3)
• api: api update (4717a8f)
• api: api update (318915f)
• api: api update (d63b80e)
• api: api update (9e70e3a)
• api: api update (2000efd)
• api: api update (6240ae5)
• api: api update (1c4da70)
• api: api update (e368c79)
• api: api update (9a1b36c)
• api: api update (041a278)
• api: api update (28ef58f)
• api: api update (2c5c869)
• api: api update (7629336)
• api: api update (bf2c08c)
• api: api update (a844d17)
• api: api update (b0547a0)
• api: api update (194e338)
• api: api update (0709d4e)
• api: api update (6e803b3)
• api: api update (221b1bb)
• api: api update (803b286)
• api: api update (0787993)
• api: api update (4fa2550)
• api: api update (05e1dab)
• api: api update (ddcb928)
• api: api update (e5ee2d5)
• api: api update (00211db)
• api: api update (d4416f9)
• api: api update (78842c0)
• api: api update (c931051)
• api: api update (a2de140)
• api: api update (5a78e41)
• api: api update (8da6d0e)
• api: api update (96fee52)
• api: api update (dc135a5)
• api: api update (50c0ae4)
• api: enable ZDR on remaining AI endpoints via OpenAI (#1099) (9147c49)
• api: manual updates (0a19eba)
• api: manual updates (4a208a8)
• api: manual updates (bdb799c)
• api: manual updates (7ececf2)
• api: manual updates (cb78520)
• api: manual updates (c42bbd4)
• api: manual updates (b6bb98b)
• api: manual updates (5426dd3)
• api: manual updates (7e8404b)
• api: manual updates (a19fdc7)
• api: manual updates (4c3e7cf)
• api: manual updates (c303a1f)
• api: manual updates (060723f)
• api: manual updates (de6bcd0)
• api: manual updates (ddfc16d)
• api: manual updates (351e946)
• api: manual updates (2db832b)
• api: manual updates (94c3b4b)
• api: manual updates (4f1d802)
• api: manual updates (3f9630c)
• api: manual updates (ff2bb99)
• api: manual updates (7055059)
• api: manual updates (5876aff)
• api: manual updates (05440e4)
• api: manual updates (a10ea99)
• api: manual updates (7cb981d)
• api: manual updates (6f77533)
• api: manual updates (b1780ab)
• api: return request_id on every response (37e1f63)
• api: unify timeout configuration and return partial results (#1030) (b8e4d37)
• billing: charge for 404s and skip fraud accounting (#1152) (b0a4aa5)
• initial stlc build (bddf24a)
• logs: expose request log endpoints in SDKs (#1025) (ca7e22a)
• monitors: add page selector filters (#1037) (25fd26d)
• products: extract ProductGroup variants with images (#1124) (9a80da2)
• scrape: add cache age support to byte downloads (#1171) (477940d)
• scrape: add CSS extraction rules to HTML scraping (#1146) (c5235fc)
• scrape: add unified scrape API (#1182) (3c92f39)
• scrape: align timeout options and public SDK methods (#1207) (bb950e7)
• scrape: support country for image scraping (#1172) (477940d)
• scrape: support custom screenshot headers (#1169) (bacbc64)
• scrape: support waitForMs for byte downloads (#1170) (47c18a0)
• sitemap: add subdomain discovery (dcd655a)
• stlc: configurable CI runner and private-production-repo support in workflow templates (762d40d)
• web: add raw bytes scraping endpoint (#1081) (dec6eb8)
• web: add URL-based scrape screenshot endpoint (#1150) (6c7cd79)
• webhooks: add configurable retries and manual replay (da20ddb)
• webhooks: simplify delivery APIs (680fd86)

Bug Fixes

• api: guarantee search descriptions and align response types (#1089) (9f55749)
• api: honour maxAgeMs=0 on brand retrieve, styleguide and fonts endpoints (#998) (503a20e)
• api: lower partial scrape timeout minimum to five seconds (#1118) (2baeba3)
• api: reject timeoutMS too short for waitForMs (a46905a)
• ci: bump @arethetypeswrong/cli to ^0.18.0 and run CI workflows on Node 24 (c9ede3d)
• client: send content-type header for requests with an omitted optional body (10b5e35)
• mcp: use pure-lockfile when building mcp server (aae2d03)
• openapi: strip empty-object defaults from the generated spec (01a5153)
• scrape: reuse legacy caches across all output formats (#1197) (57dd03d)
• security: consolidate dependency updates and harden public fetches (#1040) (db2c906)
• typescript: upgrade tsc-multi so that it works with Node 26 (4377e2c)
• webhooks: format Slack webhook notifications (#1045) (9615345)

Chores

• avoid formatting file that gets changed during releases (0368ac7)
• ci: escape input path in publish-npm workflow (bb90d39)
• configure new SDK language (8471c51)
• configure new SDK language (79977cb)
• configure new SDK language (afb679e)
• format: run eslint and prettier separately (63460a5)
• formatter: run prettier and eslint separately (3f0af39)
• internal: codegen related update (14914b3)
• internal: codegen related update (c658fd1)
• internal: fix MCP docker image builds in yarn projects (d7023c7)
• internal: fix MCP server import ordering (642d570)
• internal: improve local docs search for MCP servers (2a5884c)
• internal: improve local docs search for MCP servers (6c0fe3f)
• internal: more robust bootstrap script (877cd63)
• internal: show error causes in MCP servers when running in local mode (c68ea4c)
• internal: support custom-instructions-path flag in MCP servers (34b0150)
• internal: support local docs search in MCP servers (118d95d)
• internal: support type annotations when running MCP in local execution mode (1b6f120)
• internal: support x-stainless-mcp-client-permissions headers in MCP servers (4676c22)
• internal: tweak CI branches (f9c3d86)
• internal: update docs ordering (cb90d70)
• internal: use link instead of file in MCP server package.json files (dbabdac)
• mcp-server: add support for session id, forward client info (bb8cffe)
• mcp-server: increase local docs search result count from 5 to 10 (679128a)
• mcp-server: log client info (ae415f7)
• redact api-key headers in debug logs (bc4f1db)
• restructure docs search code (3e3fef6)
• sync repo (19ef94c)
• tests: remove redundant File import (166f01e)
• update SDK settings (57dccc4)
• update SDK settings (c66aa73)
• update SDK settings (e315a9b)
• update SDK settings (3b9412d)
• update SDK settings (bacb300)

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