Improvements - Sync is now disabled by default and the user will be prompted to enable it when using the feature - Improved sync pairing UI - Added toggle to be able to disable local functionality for sync - Sync pairing dialog now automatically closes when pairing is successful - Casting devices more clearly communicate when not ready - Implemented backoffs for SyncServer Fixes - IPv6 casting now works properly when the IP contains a scope id - Various fixes to Sync protocol - Fixed synced ImageVariables showing black images - Fixed sync gzip compression - Fix race condition causing watch later to be re-added when removed when using sync