Hotfix #4 is out today, just shy of 200MB.
https://forums.eagle.ru/showpost.php?p=3628121&postcount=28DCS 2.5.3.21708 Open Beta Hotfix 4
DCS World
Old style Labels option recognized incorrect fixed
GUI Error when trying to paste a linked unit fixed
Temporary solution for sound issue: disabled streaming until the rare race condition
Controls in the window bottom now accessible in 4k resolution
Uncontrolled HAI falls through the ship fixed
FC3
FC3 and Su-33: added missing filename extensions
Su-33: twin rocket blocks moved from 4,9 to 3,10 pylons
F/A-18
F/A-18 Lesson_2 Cold Start mission corrected (static object moved from of aircraft)
Yak-52
Yak-52 input russian localization corrected for undercarriage commands
Multiplayer
Network: receiving max ping fixed
Chat Window key bindings fixed