Unreal Engine Issues
Unreal Engine Issues
AnimSequence derived data is non-deterministic
UE - Anim - Runtime - Aug 23, 2023Building derived data for AnimSequence does not create deterministic output. Data that is stored to the DDC is expected to be deterministic. If there is a need to store metadata that may vary betwee ...
Common UI/Enhanced Input UI action binding issue
UE - Editor - UI Systems - UMG - Aug 23, 2023They've nailed it down to the following logic FUIActionBinding::TryCreate which doesn't check for the InputAction specified.// Make sure there is no existing binding for the same action associated w ...
Morph target preview no longer possible in skeleton editor
UE - Anim - Runtime - Aug 23, 2023The curve refactor did not add the curve debugger tab to the skeleton editor, which means that morph targets cannot be previewed there. It would be convenient for some users to still be able to do t ...
FCustomPrimitiveDataCustomization::SetVectorColor is closing the colorpicker and only updating the first channel
UE - Graphics Features - Aug 23, 2023When it updates the red channel, the Simple Construction Script (SCS) gets re-run (via AActor::RerunConstructionScripts) on the Blueprint Actor instance generating new instances of all its component ...
Crash occurs when blueprint breakpoint is placed after a Draw Debug String node
UE - Gameplay - Blueprint - Aug 22, 2023This is not a regression. Tested in //UE5/Release-5.2 CL 26001984 The editor crashes when playing in editor on a level that has a break point placed on a ticking draw debug string node that is prec ...
.natvis for external modules is not supported
UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 22, 2023Currently UBT supports linking in .natvis files when modules are compiled, this should be extended to pull in .natvis files from External modules that are linked into a module. Instead of scanning ...
[AI] ZoneShapeComponent does not allow for setting lane profile per point when it is added to a BP
UE - AI - Aug 21, 2023Adding a ZoneShapeComponent to an Actor BP does not behave as expected. You cannot use the shape as a polygon with per point lane profiles like what is needed for an intersection. When attempting to ...
Insufficient stack size in async MediaCapture thread
UE - Virtual Production - IO - Media - Aug 21, 2023Reported from our partner Babooblab: The UDN Customer does not give any detailed information to reproduce the issue. However they specify the kind of issue (stack overwflow) and give a possible sol ...
Static Mesh cooking: Bad mesh description should not crash the cooker
UE - LD & Modeling - Modeling Tools - Mesh Editing - Aug 21, 2023FStaticMeshRenderData::Cache has the assertion: checkf(Owner->IsMeshDescriptionValid(0), TEXT("Bad MeshDescription on %s"), *GetPathNameSafe(Owner)); This assertion can be triggered by data erro ...
Optimize FActorFolders when there's level streaming in PIE.
UE - World Creation - Worldbuilding Tools - Aug 18, 2023This will need more investigation, but at least in PIE (to check if we can do the same in editor), when a level is streamed-in, we should only add the new missing folders for this level and when str ...