This looks like a large change but the relevant change is binka_ue_file_header.h. Then rebuilt libs, and a bunch of source changes that never made it over in the initial checkin.
#jira UE-119962
#preflight 60fb20bc391d460001ff28a5
#ROBOMERGE-SOURCE: CL 16942270 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v838-16927207)
[CL 16942289 by dan thompson in ue5-release-engine-test branch]
#ROBOMERGE-SOURCE: CL 16684298 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v835-16672529)
[CL 16684303 by dan thompson in ue5-release-engine-test branch]
Unreal side of the encoder. Mostly just a thunk to the SDK, with some interleaving and splitting for the Unreal streaming system.
#ROBOMERGE-SOURCE: CL 16679911 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v835-16672529)
[CL 16679924 by dan thompson in ue5-release-engine-test branch]