This is an official release for 184.108.40.20686.
You can manually download the build here, if you have any issues you can rollback to the previous stable version here.
Note: Restart of HM2 required after the installation before HUD will work on fastforward tables
PokerStars - Resolved an issue with HUD not working automatically for all tournaments
PartyPoker - Added support for new tournament hand history format with blinds above 1000