Unreal Engine Issues
Unreal Engine Issues
Unreal Editor 5.4.4 crash when reproducing a LevelSequence in loop while PIE.
UE - Anim - Sequencer - Sep 9, 2024A crash inside Unreal Engine Editor version 5.4.4 occurs when reproducing a Level Sequence while in PIE. This issue is a regression. It only crashes in version 5.4.4. It was working correctly in ver ...
Changing a Packaged Game from Fullscreen to Windowed at Runtime Causes Title Bar to Disappear
Tools - Jul 6, 2016When changing a packaged game from Fullscreen to Windowed mode at runtime, the window is placed in the top left corner of the monitor and the title bar disappears. Setting FullscreenMode=2 in the G ...
Destruction mesh with Crumble Smallest and Impact near another will leave residual mesh visible
UE - Simulation - Physics - Destruction - Jan 28, 2015When using a DM that has Crumble Smallest and Impact damage enabled there will be instances where the residual mesh before fracture is left behind. What appears to happen is there is a force large e ...
Linear interpolation occurs on constant tangent curve partially
UE - Anim - Runtime - Feb 17, 2025When using UV scrolling for a flipbook-like animation in Animation Sequence, creating keys with "Constant Tangent" settings on Curve Editor does not result in an instantaneous change to the specifie ...
Line Attractor Strength Varies By Frame Rate
UE - Niagara - Aug 20, 2015The Line Attractor node seems to render differently (have different strengths) between Cascade Viewport, Editor Level Viewport, PIE and Standalone/Launched Game In trying to capture movies for this ...
Attach actor to actor with the transform set to snap to appears to offset when calling it multiple times on multiple actors
UE - Gameplay - Blueprint - Dec 13, 2016Attach actor to actor with the transform set to "snap to" appears to offset when calling it multiple times on multiple actors. ...
Multi Sphere Trace is not returning the correct Impact Location
UE - Simulation - Physics - Jan 19, 2015Multi Sphere Trace is not returning the correct Impact Location. Other AnswerHub Report:https://answers.unrealengine.com/questions/30952/multisphere-trace-fhitresult-location-same-as-impa.html ...
Lighting Build fails with World Settings Error
UE - Graphics Features - Jan 16, 2015Lighting Builds seemingly successfully but produces a Map Check Error for World Settings. There are several things that can be done to "eliminate the issue" and I have separated them into different ...
Setting "Is Enabled" via the animation timeline in UMG does not appear to work at runtime
UE - Editor - UI Systems - Jun 10, 2016Setting "Is Enabled" via the animation timeline in UMG does not appear to work at runtime ...
Lighting channels not working as expected when enabling Ray Tracing Shadow
UE - Graphics Features - Lumen - Oct 13, 2020Non-Ray Tracing Shadows are only cast from lights on meshes assigned to the same Lighting Channel. When enabling Ray Tracing Shadows this is not the case. Lights will still cast Ray Tracing Shadows ...