Unreal Engine Issues

Setting location of Child Actor inside of OnConstruct causes the ChildActor to leave behind non-referenced instances

If the ChildActorComponent on a mesh is attached to a component and then has its location set in the OnConstruct function, it'll leave behind non-referenced instances of itself. This is most apparen ...

Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash

Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...

Crash when toggling between Stereo on and Stereo off

Crash when toggling between Stereo on and Stereo off after launching the game via right clicking the uproject. After toggling stereo on and off a few times, the session crahes ...

Using the Replace References Tool on Foliage Types producing Unexpected Results

A licensee is reporting some unexpected behavior when attempting to replace references on Foliage Types already painted in the world. What happens after the references have been replaced, are the n ...

ACharacter JumpMaxHoldTime quickly prevents jumping on the server

-Character no longer jumps to full height when on client when setting maxholdtime to anything above 0 in character blueprint ...

Importing Alembic/ABC File with Large Number of Morph Targets Breaks Morph Targets

When importing abc files with several morph targets (as a skeletal mesh), some morphs do not import and the ones that do are distorted(see screenshots and attached project) -Number of morphs is no ...

GenerateProjectFiles.bat fails to compile UnrealBuildTool when VS2019 is the only version of Visual Studio installed

Attempting to run GenerateProjectFiles.bat on a computer that only has Visual Studio 2019 installed (no other versions of Visual Studio were ever installed previously) will fail to compile UnrealBui ...

When multiple HLODs are set, the transition does not occur correctly

The [bIsVisible] flag is set to [1] by the following judgment.const bool bIsInDrawRange = DistanceSquared >= Bounds.MinDrawDistanceSq * HLODState.FOVDistanceScaleSq; Judging from this code, I bel ...

Collision lost from body when using world composition and streaming

Physics object from a streamed level does not interact with other physics objects in persistent level. ...

Unicode BIDI control character effect has not been applied to an auto wrapped line