Unreal Engine Issues
Unreal Engine Issues
Inside the ViewportToolBar, the "Click to Expand" ComboButton works incorrectly with Display Scaling
UE - Editor - Applied Usability - Mar 12, 2025When Display Scaling is applied (e.g., 125%) and the Level Viewport is resized, the ComboButton in the SViewportToolBar does not behave as expected. Normally, the ComboButton hides when there is in ...
Deadlock running anim modifiers that affect bone tracks on multiple sequences
UE - Anim - Runtime - Mar 11, 2025Running anim modifiers that affect bone tracks can deadlock the editor when applied to multiple anim sequences. ...
Calling UMoverComponent::IsModifierActiveOrQueued() immediately after calling UMoverComponent::K2_QueueMovementModifier() will return false
UE - Gameplay - Player Movement - Mover - Mar 10, 2025Calling UMoverComponent::IsModifierActiveOrQueued() immediately after calling UMoverComponent::K2_QueueMovementModifier() will return false. Checking the code, IsModifierActiveOrQueue() calls FindMo ...
Crash when editing Gameplay Effect containing a deleted/renamed Gameplay Attribute
UE - Gameplay - Gameplay Ability System - Mar 9, 2025When modifying the name of a gameplay attribute that is used with a modifier on a gameplay effect, attempting to remove/change the modifier causes an editor crash. This appears to be due to line 29 ...
OFPA Localizable Text Instances are not gathered when world partitioning is disabled
UE - World Creation - Worldbuilding Tools - OFPA - Mar 7, 2025Context One File Per Actor (OFPA) reduces overlap between users by saving data for instances of Actors in external files, removing the need to save the main Level file when making changes to its Act ...
Bug: Replace With Notify option not fully functional
UE - Anim - Runtime - Mar 7, 2025When you select multiple notifies and attempt to replace them with another notify using "Replace with Notify", it will sometimes replace other random notifies and not the ones you have selected. ...
Anisotropic reflections are not visible in all player views during local multiplayer split screen
UE - Graphics Features - Mar 7, 2025When playing in a split screen local multiplayer game the anisotropic reflections differ between players when looking at the same object. It appears as the anisotropic light scatter is not applied ...
Physics Constraint Component loss of accuracy
UE - Simulation - Physics - Mar 6, 2025Physics Constraint Component has lost accuracy between Unreal versions 5.2 and 5.4 (and up). When measuring the exact distance between rigid bodies constrained by a Physics Constraint Component, the ...
Crash in AWorldDataLayers::InitializeDataLayerRuntimeStates() when quickly unloading then loading a sub-world partition
UE - World Creation - Worldbuilding Tools - Data Layers - Mar 6, 2025From licensee: Since we integrated 5.5, we are experiencing a crash in AWorldDataLayers::InitializeDataLayerRuntimeStates() on this line check(ActiveDataLayerNames.IsEmpty() && LoadedDataLayerN ...