What's Changed

• feat(federation): auto-accept shares from trusted servers by @skjnldsv in https://github.com/nextcloud/server/pull/49973
• fix: Use displayname as sidebar title by @artonge in https://github.com/nextcloud/server/pull/50107
• perf(settings): Speed up InternetConnectivity setup check by @joshtrichards in https://github.com/nextcloud/server/pull/49977
• fix: Do not duplicate / in davPath by @artonge in https://github.com/nextcloud/server/pull/50108
• fix(SetupChecks): Don't test caches using binary data by @solracsf in https://github.com/nextcloud/server/pull/50113
• feat(contacts-menu): implement custom javascript hook action by @st3iny in https://github.com/nextcloud/server/pull/49375
• fix(dashboard): don't reload hidden widgets by @st3iny in https://github.com/nextcloud/server/pull/50111
• fix: Apply enforce theme config for anonymous users as well by @Koc in https://github.com/nextcloud/server/pull/50076
• [master] fix(files): actions submenu papercuts by @backportbot in https://github.com/nextcloud/server/pull/50126
• build(deps): bump @nextcloud/password-confirmation from 5.3.0 to 5.3.1 by @dependabot in https://github.com/nextcloud/server/pull/50131
• fix(caldav): rename default calendar to keep it in the trashbin instead of purging it by @tcitworld in https://github.com/nextcloud/server/pull/50034
• chore(deps-dev): bump @vitest/coverage-v8 from 2.1.5 to 2.1.8 by @dependabot in https://github.com/nextcloud/server/pull/49768
• feat: Adapt providers disabled property to match user applied filters by @nfebe in https://github.com/nextcloud/server/pull/50128
• Harden files_sharing API by @provokateurin in https://github.com/nextcloud/server/pull/50052
• feat(files_trashbin): Allow preventing trash to be deleted permanently by @provokateurin in https://github.com/nextcloud/server/pull/50077
• feat(ocp): add calendar api to retrieve availability of attendees by @st3iny in https://github.com/nextcloud/server/pull/50100
• fix: Make maintenance:mode description more accurate + add help by @joshtrichards in https://github.com/nextcloud/server/pull/49967
• fix(template): Use <div> instead of <main> to support Vue3 apps mounting by @susnux in https://github.com/nextcloud/server/pull/50127
• fix(systemtags): color picker open/close events by @skjnldsv in https://github.com/nextcloud/server/pull/50168
• chore: update command-compile.yml from template by @skjnldsv in https://github.com/nextcloud/server/pull/50169
• fix: use proper way to get numeric storage id for mountpoint by @icewind1991 in https://github.com/nextcloud/server/pull/50164
• fix(dashboard): don't initially load items of hidden api widgets by @st3iny in https://github.com/nextcloud/server/pull/50152
• 31.0.0 beta 3 by @skjnldsv in https://github.com/nextcloud/server/pull/50178

Full Changelog: https://github.com/nextcloud/server/compare/v31.0.0beta2...v31.0.0beta3