• Fix Garmin Connect integration with python-garminconnect-aio (@cyberjunky - #50865)
• Upgrade HAP-python to 3.5.0 (@bdraco - #51261)
• Resolve addon repository slug for device registry (@ludeeus - #51287)
• Revert "GRPC is fixed, don't need a workaround" (@pvizeli - #51289)
• Add system option to disable polling (@balloob - #51299)
• Fix stream profiles not available as expected (@Kane610 - #51305)
• Bump aiohomekit to 0.2.66 (@Jc2k - #51310)
• Move version validation to resolver (@ludeeus - #51311)
• Set up cloud semi-dependencies at start (@balloob - #51313)
• Updated frontend to 20210531.1 (@balloob - #51314)