Fixed crash on Android 10 related to showing and hiding system UI when entering fullscreen. Made Platform comments the default.

Working smart subscriptions, Direct url through search, channel content cache trimming, skippable and skip chapter support, reinstall button for embedded plugins

Plugin disable only after no ongoing v8 calls to reduce crashes, errors of placeholder loaders now visible, cancel retry on home now removes loader

New auto-backup storage using the Storage Access Framework, minor dialog tweaks, minor settings ui tweaks