Unreal Engine Issues
Unreal Engine Issues
Circular Throbber does not appear to be affected when setting the tint
UE - Editor - UI Systems - Jan 25, 2016Circular throbber does not appear to change colors when changing the tint ...
Touches on windows generate 2 mouse events.
UE - Editor - UI Systems - Slate - Mar 22, 2017The problem is that windows supplies both a touch event and a mouse event for each touch. The engine then handles touches as mouse input so that UI elements can work correctly on touch platforms. ...
Collision Viewmodes do not affect Instanced Meshes properly
UE - Graphics Features - Apr 9, 2018Collision View modes, such as Player Collision and Visibility Collision, do not work with Instanced Static Meshes. Regression?: No This also occurred in 4.18 ...
Material editor crash in 5.0.2
UE - Rendering - Architecture - Materials - Sep 2, 2022Conflict between sequencer transform track and Parent Constraint from the Animation Mode breaks temporary pivot translation on any actor
UE - CAPT - Anim in Engine - Jul 15, 2025Note: This affects all versions from at least UE 5.3, including mainline latest. The "Animation" Editor Mode allows creating constraints for level actors. One of these, the "Parent" constraint, con ...
When ParallelExecutor is enabled, Japanese build output of VisualStudio garbled
UE - Foundation - Cpp Tools - Sep 19, 2018From UE4.20, Japanese build output of VisualStudio garbled. Below is a comparison between 4.19 and 4.20. ・4.19.2 1>------ すべてのリビルド開始: プロジェクト:MyProject3, 構成:Development_Editor x64 ------ 1> Clea ...
Get Input Touch State produces incorrect vector position
UE - Gameplay - Input - Sep 25, 2018Get Input Touch State produces incorrect vector position when using it on Android. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4395058) ...
Blender FBXs import wrong number of bones which causes issues with Apex Cloth files
Tools - Jan 6, 2016First of all, I'm not sure this is an issue with UE4, but I'm not familiar with Blender to rule this out. A user has reported an issue when importing a Rigged mesh from Blender it will add an addi ...
UDestructibleComponent::ApplyDamage doesn't affect root chunk if the mesh doesn't fracture.
UE - Simulation - Physics - Destruction - May 6, 2016ApplyDamage calls through to applyDamage on the apex actor, which takes the impulse and applies it to any fractured chunks. If however not enough damage is done to the component to fracture it, no i ...
Crash when spawning destructible objects in 2 player PIE
UE - Simulation - Physics - Destruction - Aug 31, 2016Crash Reporter link: [Link Removed] With Source Context: [Link Removed] ...