Unreal Engine Issues
Unreal Engine Issues
Split pins on nodes within sub-graphs in an animation blueprint are broken
UE - Anim - Runtime - Mar 16, 2021There's a bug in the anim bp compiler which results in split pins on animation nodes not being merged properly back onto their parent pin during compilation. The result of this is that any input to ...
In Vehicle sims, CenterOfMass override isn't factored into UpdateMassProperties
UE - Simulation - Gameplay - Mar 24, 2025Origin from this UDN ticket, https://udn.unrealengine.com/s/question/0D5QP00000sGtbO0AS/chaosvehiclemovementcomponent-intertia-tensor-isnt-adjusted-for-center-of-mass-override?fromCase=1 TLDR is th ...
TSoftObjectPtr does not replicate properly
UE - Networking - Nov 27, 2018Right now USoftObjectProperty does not implement NetSerializeItem so it falls back to the implementation in UObjectPropertyBase. This only works correctly if the object happens to be in memory, othe ...
World Memory Leak crash creating new level blueprint after editing sub level blueprint
UE - Gameplay - Jan 27, 2020Crash occurs when the user adds a sublevel to the current level, edits the sublevel's level blueprint, and then attempts to make a new level. The state which triggers the crash seems to be when the ...
User can still attempt to delete tags above a subtag they just added
UE - Gameplay - Dec 5, 2016In the Gameplay Tag List, if the user adds a string of tags, then adds one on top of it, attempting to delete the previous end subtag will produce a toast saying the tags were deleted. However, the ...
Detaching part of the Visual Logger window and then closing the Visual Logger tab causes a crash
UE - Editor - UI Systems - Slate - Nov 18, 2021It seems that when a section of the Visual Logger is detached from the window as a whole and then that window is closed when docked next to the Content Browser, then the engine crashes. However, whe ...
Engine Crashes On Scene Close When An Actor Is Spawned With Templated FActorSpawnParameters
UE - Simulation - Physics - Mar 5, 2020When an actor is spawned with Spawn Parameters that are templated the engine crashes when closing a scene. This wasn't happening when there wasn't a physics constraint on the spawned blueprint. Thi ...
UE5 Main - Editor crashes when creating a Data Table
UE - Editor - Workflow Systems - Feb 14, 2022Doesn't occur in UE5 Release or UE4.Can't attach logs/crash information I'm encountering an RHI crash within UE5 Main at the moment. This issue seems to be caused by a commit from last year that ...
Animation viewports can cause debug print messages to be purged
UE - Anim - Rigging - Control Rig - Jan 11, 2024A change was made a while back so that control rig debug print messages would be displayed in the animation editor preview windows. This is done via calling UEngine::DrawOnscreenDebugMessages from ...
Match3 crashes on device after locking and unlocking the screen on iOS
Tools - Aug 23, 2016Aug 23 15:25:15 A6240 UnrealMatch3[987] <Warning>: Assertion failed: CommandEncoder.IsRenderPassDescriptorValid() [Link Removed] [Line: 700] Match3 does not resume after locking and unlocking the s ...