Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Tutorial crash UObject::execLetValueOnPersistentFrame()
UE - Gameplay - Blueprint - Jul 7, 2017This is another Tutorial crash that shares a similar callstack with [Link Removed] and [Link Removed], but those specific repro steps have been fixed while this one is still occurring in 4.16.2. On ...
[CrashReport] Mac crash - FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState
UE - Rendering Architecture - RHI - Aug 25, 2017This is an infrequent Mac crash that has been affecting users since at least 4.15. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to the ...
Timer does not work in Object Class Blueprint
UE - Gameplay - Blueprint - Oct 10, 2017After creating a timer in an Object Blueprint, timer is not called as intended. "InitObject" Event fires but "Call Function" function does not Reproduced in: 4.17.2 CL 3658906, 4.18 P3 3676890 Un ...
Move To Location or Actor Not Working if Location is Outside of Navmesh
UE - AI - Oct 17, 2017Move To Location or Actor will always fail if the target location is outside of the Navmesh, even if Use Pathfinding is disabled. Found in 4.18 P4 CL# 3685441. Reproduced in 4.17.2 CL# 3658906 & 4. ...
Instanced Subobjects on Children BPs point to Parent BP's instance if both are loaded when creating the object
UE - Gameplay - Blueprint - Jun 27, 2018The Instanced Subobject values for the Child_BP are same as what the Parent_BP subobject values are changed to before compile and saving both Blueprint Objects. Tested in 4.18.3 (CL-3832480), 4.19. ...
When Packaging a Blueprint Nativized Game, Child Actor BeginPlay is ignored and Parent BeginPlay is triggered instead
UE - Gameplay - Jul 5, 2018In a Blueprint Nativized Packaged Game a child Blueprint will trigger its parent logic instead of its own when it is called. This was reported in 4.20 Preview 5 (CL-4173640). This issue has been r ...
Alembic file doesn't play animations when imported as Skeletal Mesh
OLD - Anim - Aug 21, 2018When importing an Alembic file as a Skeletal, the animation and morph targets keys are there but when played in the Viewport or Sequencer there is no animation. This was reported and tested in 4.2 ...
Using a Blutility to modify an Actor in a Streaming Level doesn't make it dirty
UE - Gameplay - Oct 11, 2018Using a Blutility to modify an Actor in a Streaming Level doesn't make it dirty and prompt it to be saved. This was reproduced and tested in 4.19.2 (CL-4033788), 4.20.3 (CL-4369336), 4.21 (CL-44358 ...
Crash when duplicating the Child Actor Component class
UE - Gameplay - Components - Jun 3, 2019Creating a blueprint class with a child actor component and setting its actor class to Point Light, then copying and pasting it causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.1 ...
Virtual Texturing causes crash
UE - Graphics Features - Jul 29, 2019Virtual streaming a 4K texture and setting the max texture size to 2048 causes the engine to crash. Tested in 4.21.2 (CL - 4753547), 4.22.3 (CL - 7053647), 4.23 (CL - 7445012), 4.24(CL - 7646041) ...