Epic has released a new build for the UT alpha.
Upgraded to Unreal Engine version 4.11. This includes the engine changes in version 4.9, 4.10, and 4.11.
DM-Sand is a new playable Deathmatch shell.
Increased character scale by 15%.
Improvements and polish for Showdown and Team Showdown.
Weapon balance tweaks.
Improved and streamlined pre-match intro and post-match summary.
Improved skill ranking calculation and display.
Fixed various networking issues, including double shock core shooting crash.
Bug fixes and improvements to spectating and replay viewing.
Read more here
The new build can be downloaded through the launcher as usual.