Unreal Engine Issues
Unreal Engine Issues
"Assign" node can cause a crash when placed in a graph
UE - Gameplay - Blueprint Compiler - Apr 26, 2022This may only happen with upgraded projects that went from 4.27 up to 5.0.1 ...
[CrashReport] UBlueprintGeneratedClass::AddReferencedObjectsInUbergraphFrame()
UE - Gameplay - Blueprint - Nov 2, 2017This is a common engine crash that has occurred since at least 4.16. Users have not provided any useful descriptions of their actions when the crash occurred. The callstack shares some similaritie ...
UnrealHeaderTool is always executed in a Code Project from an InstalledBuild
UE - Foundation - Cpp Tools - UnrealBuildTool - Apr 23, 2019UnrealHeaderTool is always executed in a Code Project from an InstalledBuild Discovered during the verification of [Link Removed], as stated when verifying that issue, this issue only occurs in Bin ...
Lighting behavior is unreliable for translucent lit materials, results are inconsistent depending on the editor camera's FOV and the editor viewport's width/height/aspect
UE - Rendering Architecture - Oct 27, 2024When working on the level editor viewport or testing on PIE, the visual appearance of additive/translucent lit materials changes significantly (and abruptly) when varying the camera FOV or the viewp ...
FIndexedCurve::ScaleCurve returns invalid results
UE - Anim - Runtime - Feb 13, 2025Calling SetKeyTime in iterating KeyHandlesToIndices array can modify the array order, so it breaks the iterator. Perhaps ShiftCurve also has the same problem. Here is a work around: void FIndexedCu ...
Result pin of Cast Node of ControlRig can not break
UE - Anim - Rigging - Control Rig - Jul 26, 2023In UE5.1, the Result pin of the ControlRig cast node could be broken, but it cannot be broken from UE5.2. ...
Simulate motion vectors can fail on camera cuts
UE - Anim - Sequencer - Jun 11, 2024r.MotionVectorSimulation 1 should simulate motion vectors when cutting cameras, but this appears to be broken on some loops. ...
The visibility state of on-screen stat messages is not restored correctly after entering and leaving PIE. This also affects other important on-screen messages like map warnings and debug messages.
UE - Editor - UI Systems - Nov 28, 2024Currently, the ShowStats viewport option is automatically enabled when entering PIE and automatically disabled when exiting PIE. This forced disabling happens even if the option was enabled prior to ...
Jump Animation for FPS template character breaks on land
OLD - Anim - May 6, 2015When jumping in the first person template project, the "is in air" animation continues to play after landing. Solution: Switching out the "FirstPerson_JumpStart Asset" node for the "FirstPerson_J ...
For each "EnumName" nodes do not update when passed into a create widget node via an exposed variable
UE - Gameplay - Blueprint - Nov 1, 2016For each "EnumName" nodes do not update when passed into a create widget node via an exposed variable ...