Unreal Engine Issues

InPartialBunch can cause crash in FNetBitReader::CountMemory during memreport

An actor channel's InPartialBunch won't be deleted and cleared until a new partial bunch is received. This can result in a situation where memreport counts the memory for an old InPartialBunch and i ...

Expose SetWaterMaterial to BP

Source of the request on UDN ...

FMath::Eval ignores groupings while solving

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 FMath::Eval ignores groupings while solving problems. This has caused some confusion with users who are expecting the groupings to b ...

Callback ID lost while using the webview

This is a licensee UDN: [Link Removed] I've reviewed the javascript/native bridge code and I don't see anything obvious.  The fact that it can happen on both mobile platforms might point at some hi ...

Slow while replacing actor in large open world

Licensee: "Content creators from my team have reported that when they replace actors in an open world it can take more than 10 seconds. This is with several thousand actors loaded in the world. On m ...

Investigate TSR for translucency with dithered opaque

[Link Removed] ...

Crash at UAnimInstance::DisplayDebug() when a montage ends

UDN case : [Link Removed] We are seeing a crash in UAnimInstance::DisplayDebug() at the following line: FString MontageEntry = FString::Printf(TEXT("%i) %s CurrSec: %s NextSec: %s W:%.2f DW:%.2f ...

AncientGame's fire is quite ghosty with r.SeparateTranslucency=0

Mesh paint erroneously selects occluded vertices when multiple meshes selected

Licensee reports that occluded vertices are picked in mesh paint when multiple meshes are selected. Since we use line tracing + math to determine the target vertex in mesh paint mode, rather than h ...

Niagara Fluid is not displayed in the TopView of the Niagara Editor

Normal Particles are displayed. ...