更新说明:
== Version 2.13.5 (2020-10-03)* Fix performance for fast (<1s) answers in review* Add links to new Arabic help/manual translation* Add back button handling to changelog display* Add rate button to changelog* Add warning message to handle future db upgrades* Sync all translations from our volunteer translators (thanks everyone!)Full changelog at: https://github.com/ankidroid/Anki-Android/milestone/35?closed=1