Changes since last release

Git commit	https://github.com/matrix-org/matrix-spec/tree/2a38413
Checklist	checklist.md

Client-Server API

Backwards Compatible Changes

• Add m.recent_emoji account data event to track recently used emoji as per MSC4356. (#2291)

Spec Clarifications

• The optional submit_url response parameter of the /requestToken endpoints uses the same request and response parameters and error codes as the Identity Service API’s POST /_matrix/identity/v2/validate/email/submitToken, as per MSC4183. (#2277)
• Update non-historic mentions of matrix-doc repo to matrix-spec/-proposals. Contributed by @HarHarLinks. (#2280)
• Remove unintended TeX formatting. Contributed by @HarHarLinks. (#2283)

Server-Server API

Spec Clarifications

• Specify that callers of /_matrix/federation/v1/openid/userinfo must validate the returned user ID. (#2288)

Application Service API

No significant changes.

Identity Service API

Spec Clarifications

• Clarify the error codes that can be returned with a 400 HTTP status code by the POST /_matrix/identity/v2/validate/email/submitToken and POST /_matrix/identity/v2/validate/msisdn/submitToken endpoints, introducing the M_TOKEN_INCORRECT error code, as per MSC4183. (#2277)

Push Gateway API

No significant changes.

Room Versions

No significant changes.

Appendices

No significant changes.

Internal Changes/Tooling

Backwards Compatible Changes

• Include the spec release version in the filenames in the tarballs generated by CI. (#2276)

Spec Clarifications

• Clarify vendor prefixing requirements. (#2222)
• Auto-create draft releases when building release tags. (#2275)
• Replace the Twitter link in the footer with our BlueSky and Mastodon socials. (#2282)
• Upgrade to docsy v0.13.0. (#2287)
• Updates to the release documentation. (#2289)
• Remove unused leftover CSS files. (#2290)