iOS

With over 50 PRs in this release, iOS support continues to be a big focus for Flutter, including an iOS 13 scrollbar implementation (that includes long-press, drag-from-right and vibration feedback support), an update to the CupertinoSwitch widget to match iOS 13 and continued experimentation with bitcode.

35829 iOS 13 scrollbar

37724 iOS 13 scrollbar vibration

36087 Update visual style of CupertinoSwitch to match iOS 13

38587 Improve bitcode check

36471 Enable bitcode compilation for AOT

36093 Reland bundle ios deps

34676 Enable selection by default for password text field and expose api to…

34723 CupertinoTextField vertical alignment