Refactor `<Dropdown>` into TypeScript (Gargron)
https://github.com/mastodon/mastodon/pull/34357

Change alt text modal to use spring animations in web UI (Gargron)
https://github.com/mastodon/mastodon/pull/34345

Change unfollow button label from "Mutual" to "Unfollow" in web UI (Gargron)
https://github.com/mastodon/mastodon/pull/34392

Refactor `<FavouritedStatuses>` and `<BookmarkedStatuses>` into TypeScript (Gargron)
https://github.com/mastodon/mastodon/pull/34356

Refactor `<FollowedTags>` into TypeScript (Gargron)
https://github.com/mastodon/mastodon/pull/34355

fix(deps): update dependency tesseract.js to v6.0.1 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34388

Fix usage of incorrect API endpoint for suggestion deletion (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/34398

Bump version to 3.5.1 (Gargron)
https://github.com/mastodon/mastodon/pull/18000

Fix error resposes for `from` search prefix (single-right-quote)
https://github.com/mastodon/mastodon/pull/17963

Add v3.5.x to SECURITY.md (ykzts)
https://github.com/mastodon/mastodon/pull/17998

Fix dangling language-specific trends (Gargron)
https://github.com/mastodon/mastodon/pull/17997

Auto-fill timeline gaps when getting re-connecting to Websocket/EventSource stream (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/17987

Fix extremely rare race condition when deleting a toot or account (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/17994

Change e-mail notifications to only be sent when recipient is offline (Gargron)
https://github.com/mastodon/mastodon/pull/17984

Fix trends returning less results per page when filtered in REST API (Gargron)
https://github.com/mastodon/mastodon/pull/17996

Upgrade Ruby to 2.7.3 (zunda)
https://github.com/tootsuite/mastodon/pull/16004

Fix autoloading deprecation warnings from Rails 6 (Gargron)
https://github.com/tootsuite/mastodon/pull/16010

Fix deprecation warning for Sidekiq web session secret (Gargron)
https://github.com/tootsuite/mastodon/pull/16009

Bump babel-plugin-emotion from 10.0.19 to 10.0.33 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13409

Bump abab from 2.0.0 to 2.0.3 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13408

Bump es-abstract from 1.17.0 to 1.17.5 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13410

Bump sshpk from 1.16.0 to 1.16.1 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13412

Bump thunky from 1.0.3 to 1.1.0 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13411

Bump intl-format-cache from 2.1.0 to 2.2.9 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13413

Bump escodegen from 1.11.0 to 1.14.1 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13414

Bump istanbul-lib-instrument from 3.1.0 to 3.3.0 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13415

Bump prop-types-extra from 1.1.0 to 1.1.1 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13407

Bump public_suffix from 4.0.3 to 4.0.4 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13418

Bump bcrypt from 3.1.12 to 3.1.13 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13420

Bump loofah from 2.4.0 to 2.5.0 (dependabot-preview[bot])
https://github.com/tootsuite/mastodon/pull/13422