#26021 Fix SliverAppBar title opacity and test all cases

#26101 Fix a floating snapping SliverAppBar crash

#25091 Add animations to SliverAppBar doc

#24736 Provide some more locations for the FAB

#25585 Expose font fallback API in TextStyle, Roll engine 54a3577c0139..215ca1560088

#24457 Revise Android and iOS gestures on Material TextField

#24554 Adds force press gesture detector and recognizer

#23919 Allow detection of taps on TabBar

#25384 Adds support for floating cursor

#24976 Support TextField multi-line hint text