Linux 4.9.315, lz4 fix, LSE atomics, Spectre-v2 mitigation fix, WFD generic mouse input, GL HWUI renderer, May security patch, and many fixes!
Lots of bug fixes and May security patch.
Linux 4.9.312, LSE atomics, battery info, LiveDisplay, mouse input in WFD, May security patch, and some new features.
Initial android 12.1 official release.
Linux 4.9.311, tons of kernel optimizations, rounded corner fix, April security patch, and some new features.