v4.4.1-ose

What's Changed

New features

• Add Push Subscription Management by @ArnyminerZ in #800
• Implement basic Push functionality by @rfc2822 in #856
• Replace AppIntro by Compose Pager by @ArnyminerZ in #848

Bug fixes

• [Google] Allow login with custom domains again by @ArnyminerZ in #833
• Show CalDAV/CardDAV/Webcal tab when there's at least one item by @rfc2822 in #839
• Fix GMD tests by @ArnyminerZ in #867
• Show CalDAV/CardDAV tab when the respective service is present by @rfc2822 in #868

Refactoring

• Define toolchain version; update dependencies by @rfc2822 in #834
• Extract RefreshCollectionsWorker; move some (HomeSet)Dao calls to repository by @rfc2822 in #845
• Observable collections repository by @sunkup in #829
• [DI] Use constructor injection for SyncManager sub-classes by @rfc2822 in #874

Full Changelog: v4.4.0.1-ose...v4.4.1-ose