5.0.0-beta.1

What's Changed

• refs #3771 Add compose window to footer by @h3poteto in #4016
• [refactor] Re-implement layout and sidebar by @h3poteto in #4037
• New Crowdin updates by @h3poteto in #4038

Full Changelog: v5.0.0-alpha.4...v5.0.0-beta.1