What's Changed
- change copies to slackbot by @ignaciojimenezr in #2906
- feat(host-compat): lanes + conformance gate + Compatibility destination by @chelojimenez in #2922
- feat(evals): Export traces button (OTLP/OpenInference) on the run detail page by @chelojimenez in #2921
- feat(host-compat): Phase 2 — multi-server compatibility matrix by @chelojimenez in #2926
- test(host-compat): restore real timers in afterEach (no fake-timer leak) by @chelojimenez in #2924
- feat(host-compat): Phase 3 (1/2) — live "observed" widget render by @chelojimenez in #2930
- feat(server): land caniuse.dev on the host-compare showcase by @chelojimenez in #2911
- feat(sdk): host-compat engine in @mcpjam/sdk/host-compat (Phase A) by @chelojimenez in #2932
- refactor(sdk): solidify host-compat abstraction (narrow detection + semantic findings) by @chelojimenez in #2934
- fix @modelcontextprotocol/client to stable version by @ignaciojimenezr in #2939
- changesets by @ignaciojimenezr in #2940
Full Changelog: v2.20.0...v2.21.0