Fix behavior of database schema loading with `SKIP_POST_DEPLOYMENT_MIGRATIONS` (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/34089

Fix avatar fallback in media gallery (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/34106

Add min. age to terms of service (Gargron)
https://github.com/mastodon/mastodon/pull/34105

fix(deps): update dependency axios to v1.8.2 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34101

chore(deps): update opentelemetry-ruby (non-major) (renovate[bot])
https://github.com/mastodon/mastodon/pull/33968

Dockerfile: prevent unnecessary ffmpeg building (ShadowJonathan)
https://github.com/mastodon/mastodon/pull/34084

Fix weird line wrap in db/schema.rb (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/34090

Remove `admin_user` helper method from `SystemHelpers` module (mjankowski)
https://github.com/mastodon/mastodon/pull/34096

Use methods from `SystemHelpers` more consistently (mjankowski)
https://github.com/mastodon/mastodon/pull/33973

fix(deps): update dependency ioredis to v5.6.0 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34085

chore(deps): update omniauth packages (renovate[bot])
https://github.com/mastodon/mastodon/pull/31857

Add ability to email announcements to all users (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/33928

chore(deps): update eslint (non-major) (renovate[bot])
https://github.com/mastodon/mastodon/pull/33061

chore(deps): update yarn to v4.7.0 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34047

Fix processing errors for some HEIF images from iOS 18 (renchap)
https://github.com/mastodon/mastodon/pull/34086

Change hashtag suggestion to prefer personal history capitalization (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/34070

Convert `settings/sessions` spec controller->system (mjankowski)
https://github.com/mastodon/mastodon/pull/34072

Add emoji from Twemoji 15.0 to the emoji picker/completion (eramdam)
https://github.com/mastodon/mastodon/pull/33395

Move `app/javascript/hooks` to `app/javascript/mastodon/hooks` (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/34077

Change web client settings to be saved earlier and more often (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/34074

Add simple feature flag system (oneiros)
https://github.com/mastodon/mastodon/pull/34038

Add effective date to terms of service (Gargron)
https://github.com/mastodon/mastodon/pull/33993

Add `about`, `privacy_policy` and `terms_of_service` URLS to `/api/v2/instance` (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/33849

Fix preview cards under Content Warnings not being shown in detailed statuses (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/34068

Convert `admin/terms_of_service/*` spec controller->system (mjankowski)
https://github.com/mastodon/mastodon/pull/33975

chore(deps): update dependency redcarpet to v3.6.1 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34017

Bump Mastodon API version for new media deletion methods/parameters (ClearlyClaire)
https://github.com/mastodon/mastodon/pull/34035

Add rubocop-i18n linter (dmathieu)
https://github.com/mastodon/mastodon/pull/34057

chore(deps): update dependency pundit to v2.5.0 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34061

fix(deps): update dependency reduxjs/toolkit to v2.6.0 (renovate[bot])
https://github.com/mastodon/mastodon/pull/33987

fix(deps): update dependency axios to v1.8.1 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34020

fix(deps): update dependency core-js to v3.41.0 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34051

chore(deps): update dependency rack to v2.2.12 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34063

fix(deps): update dependency react-select to v5.10.1 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34059

Remove deprecated `mb_chars` method (mjankowski)
https://github.com/mastodon/mastodon/pull/34039

Fix infinite scroll not working on profile media tab in web UI (Gargron)
https://github.com/mastodon/mastodon/pull/33860

chore(deps): update dependency types/lodash to v4.17.16 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34055

chore(deps): update dependency rubocop-rails to v2.30.3 (renovate[bot])
https://github.com/mastodon/mastodon/pull/34056

Fix moved notice on profiles in web UI (Gargron)
https://github.com/mastodon/mastodon/pull/34052