Unreal Engine Issues
Unreal Engine Issues
Constant interpolation in animation curve points appears to prevent material updates after hitting apply
OLD - Anim - May 31, 2019When changing the key interpolation of a material curve in an animation to constant it appears to break the updating of the material after the changes are applied. Until the changes are applied it a ...
Texture Object Parameter Being Read Even If It Is Not Used In a Material
UE - Graphics Features - Jul 17, 2019Texture Object Parameter Being Read Even If It Is Not Used In a Material. Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 2 CL# 7321677, 4.24 CL# 7329126 This is ...
Spline points deleted after movement
UE - Editor - Workflow Systems - Sep 6, 2019Spline points are deleted from the Spline component after adding them in Python and then moving them in the scene. Tested in 4.21.2 (CL - 4753647) 4.22.3 (CL - 7053647), 4.23.0 (CL - 8386587), 4.24 ...
[CrashReporter] UE4Editor-AlembicHairTranslatorModule!ParseObject [AlembicHairTranslator.cpp:446]
UE - Editor - Content Pipeline - Import and Export - Dec 13, 2019Generated from CrashReporter Error message: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x60b40008 Comments from Users: I cant import abc hair from Blender 2.81a. crashe ...
Parameters Pane shows different Variable Name then MapGet or MapSet
UE - Niagara - Mar 12, 2020Variable names aren't displayed in MAPGET and MAPSET the same way as they are in the Parameters Pane. This is a regression from 4.24.3 (CL-11590370). This issue was reported and tested in 4.25 Prev ...
Skelmesh Bake Materials doesn't remove old materials from slots
UE - World Creation - Worldbuilding Tools - Merge Actor - Mar 24, 2021When an LOD get materials reduced to one with Bake Materials, it doesn't delete the extra slots on the LOD. So if starting with 10 slots on the skelmesh, then baking, slot 1 gets the newly baked mat ...
Undo change to Rest Offset causing crash in Static Mesh Editor
UE - Simulation - Physics - Editor - Aug 8, 2023When undoing any change to Rest Offset for a collision mesh the engine will crash. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binary //UE5/Release- ...
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 ...
Volumetric lightmap + stationary light has missing shadows
UE - Rendering Architecture - Sep 5, 2023Primitives with the "Lightmap Type" set to "Force Volumetric" are not shadowed correctly. Issue dates back to at least 4.27.2. As a workaround, making FLightCacheInterface::GetStaticInteraction al ...
Free physics constraints between two objects of differing size causes smaller object to jitter
UE - Simulation - Physics - Sep 13, 2023A cube constrained to a physics actor will start to jitter uncontrollably when interacted with. (see attached media and repro steps for more details) Tested in the following //UE5-Release-5.3-CL ...