Unreal Engine Issues
Unreal Engine Issues
Color picker does not change the color of a Vector Parameter in a Material Instance until the mouse button is released
UE - Graphics Features - Mar 11, 2020This is a regression from 4.23.1 (CL-9631420). The color picker does not update in realtime anymore when holding down the left-mouse button. Only on mouse-release does it update. This was reported ...
Exporting a UE4 Animation into Maya results in wrong skin weight
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020UE4 Mannequin animations are not exporting/importing correctly into Maya. The right hand is bulkier and the left shoulder is dislocated. This was reported and tested in 4.23.1 (CL-9631420). this w ...
Time Synth fails to play 96KHz audio clips
UE - Audio - May 19, 2020TimeSynth 96KHz music clips only play for a split second and then stop. 48KHz files play correctly however 96KHz 16-bit and 24-bit files do not This was reported and tested in 4.25 (CL-13144385) an ...
Mobile Joysticks snap to edge upon any input
UE - Platform - Mobile - Sep 9, 2021When dragging the mobile joysticks in any direction, the snap to the edges regardless of how much the user inputs in said direction. This occurs with both the left and right joystick. This also occu ...
Volumetric Clouds appear in front of foreground objects in the Right Eye of VR Headsets
UE - Platform - XR - Dec 15, 2021It seems that volumetric clouds in the background appear in front of objects in the foreground in the right eye of a VR headset. I also tested in //UE4/Release-4.26 @ CL 15973114 and the results wer ...
Static lights become stationary after toggling visiblity of level in packaged build
UE - Graphics Features - Jun 11, 2025In 5.5, there is a regression with baked lighting where static lights become stationary lights when a level is hidden and then made visible again. This happens in packaged builds and shows up as sta ...
The AND node always calculates all inputs
UE - Gameplay - Blueprint - Nov 5, 2015The AND node always calculates all inputs, even if the first input fails as False. Probably related to [Link Removed] (currently unresolved, but a Select node-specific fix is mentioned in the comme ...
Staging DLC is reportedly broken
UE - Foundation - Cpp Tools - Automation Tool - Dec 16, 2015According to a licensee, StageFiles() is called with ExcludeWildcard that contains a directory name ("Engine/*") and bRecursive=true when building DLC. This is not supported by Directory.GetFiles(). ...
Editor crashes when opening several marketplace assets - Assertion failed: !HasAnyFlags
UE - Gameplay - Blueprint - Jun 22, 2016Editor crashes while attempting to open several marketplace assets. Allar's Generic Shooter Defuse Studios RTS Template JCInventory Frequency: 5/5 Regression (yes) issue (does not) occur in 4.11 ...
Get Class Defaults node disconnects output pins when project upgraded from 4.11 to 4.12
UE - Gameplay - Blueprint - Jun 7, 2016Upgrading a project from 4.11 to 4.12 causes Class Default nodes to disconnect their output pins from other nodes. If the node is reconnected and saved, it will disconnect again when the project is ...