Updated release notes

cr: https://code.amazon.com/reviews/CR-54183820

Updated release notes
cr: https://code.amazon.com/reviews/CR-54183820
0ea9616c · Ivan Aguilar · Faho Shubladze · 4404d8d4 · 0ea9616c
Commit 0ea9616c authored Jul 23, 2021 by Ivan Aguilar Committed by Faho Shubladze Jul 29, 2021
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
 Latest
 ===============
+- Added a workaround for windows random halts
+- Fixed race condition during reboot document execution
+
+3.1.90.0
+===============
 - Updated to version 3.1
 - Updated build to build statically linked binaries for linux 64bit
  - Minimum supported linux kernel version for linux 64bit is 3.2+