#ROBOMERGE-SOURCE: CL 14629445 via CL 14629451 via CL 14629453 via CL 14629688 via CL 14629956 via CL 14630024
#ROBOMERGE-BOT: RELEASE (Release-Engine-Staging -> Main) (v753-14616146)
#ushell-cherrypick of 14632086 by graeme.thornton
[CL 14784442 by Matt Peters in ue5-main branch]
#rb rune.stubbe
#jira none
#rnx
#ROBOMERGE-SOURCE: CL 13007135 in //UE4/Release-4.25/... via CL 13007150 via CL 13007159
#ROBOMERGE-BOT: RELEASE (Release-Engine-Staging -> Main) (v682-12900288)
[CL 13007166 by jeff newquist in Main branch]
Normal read requests have this behavior, but size requests were not respecting this, which caused problems when the constructor launches a callback on another thread and then immediately calls WaitCompletion, such as in the callback lambda inside FFileCacheHandle::FFileCacheHandle / PushCompletedRequest.
#rb rune.stubbe
#jira none
#rnx
#ROBOMERGE-SOURCE: CL 12974187 in //UE4/Release-4.25/... via CL 12974195 via CL 12974203
#ROBOMERGE-BOT: RELEASE (Release-Engine-Staging -> Main) (v682-12900288)
[CL 12974208 by jeff newquist in Main branch]
[RN] Minor, PakFiles
#ROBOMERGE-SOURCE: CL 12502978 via CL 12502983 via CL 12502984
#ROBOMERGE-BOT: RELEASE (Release-Engine-Staging -> Main) (v673-12478461)
[CL 12502987 by matt peters in Main branch]
#rb steve.robb
#ROBOMERGE-SOURCE: CL 12450992 via CL 12450999 via CL 12457993
#ROBOMERGE-BOT: (v672-12450963)
[CL 12458149 by johan torp in Release-Engine-Staging branch]
[FYI] johan.torp, steve.robb, eric.knapik
#rnx
#ROBOMERGE-SOURCE: CL 12434782 via CL 12434783 via CL 12437070
#ROBOMERGE-BOT: (v671-12333473)
[CL 12443982 by david hamm in Release-Engine-Staging branch]
#rb steve.robb, eric.knapik
#ROBOMERGE-SOURCE: CL 12371098 via CL 12372591 via CL 12388959
#ROBOMERGE-BOT: (v671-12333473)
[CL 12390565 by johan torp in Release-Engine-Staging branch]
Legacy pak file versions encode pak entries in FPakFile::LoadLegacyIndex. That function repeatedly serializes bytes from the pakfile on disk into a reused FPakEntry. Serialize expects the FPakEntry to be in an empty constructed state, and it was not empty due to serializing previous PakEntries into it.
Added a reset function and call it in this one place where FPakEntry is reused.
#rb Graeme.Thornton
#rnx
[CL 12000363 by Matt Peters in Main branch]