another update: Oct 17, 2017
see 10/17/2017 - Beta - Flash 188.8.131.52
for plenty of details
- Flashplayer quits unexpectedly when logging into VCD (Virtual Cloud) Portal(FP-4198649)
- Memory leak is observed when using baseline_constrained profile on Firefox (FP-4198562)
- LoadMovie on layers other than 0 causes access violation in C# WinForms(FP-4198533).
- Audio device selection not working when there are multiple devices with same name(FP-4198585)
- Content freezes while switching the tabs on Firefox (FP-4198571, FP-4198555)
- Video stops rendering after minimizing/restoring the Firefox browser window.