Unreal Engine Issues
Unreal Engine Issues
Changing Texture compression settings breaks Materials with mismatch on Texture Sample Sampler Type
UE - Rendering Architecture - Materials - Aug 5, 2015If you change a texture's compression settings, materials will show errors because of a mismatch in the Sampler Type of Texture Samples. This can be fixed by adjusting the Sampler Type and re-savin ...
Stacked Material Nodes become difficult to read
UE - Rendering Architecture - Materials - May 13, 2015Material Nodes, particularly Constant Vector 3s and Texture Samples, become difficult to read when users overlay them like stacked cards. [Image Removed] Also reproduced in Main Promotable-CL-2548 ...
Delete Unused Variables Does Not Remove Local Variables
UE - Gameplay - Blueprint - Oct 13, 2015Using the Delete Unused Variables option under the Edit tab of a blueprint does not remove local variables. Instead, it displays a "All variables are in use" error. Occurs in 4.9.2 and 4.8.3 binar ...
Hidden In Game option for Layers in TileMap Editor not working
UE - Gameplay - Paper2D - Oct 26, 2015Using the 'Hidden in Game' option in the Tilemap Editor does not hide the associated layers in game as expected. I tested this issue in 4.8.3, 4.9.2, and 4.10 Preview 2 binary releases and the issu ...
Double-Clicking a Camera in the World Outliner Causes it to Rotate to Face the Direction in the Viewport
Tools - Sep 24, 2015Double-clicking on a camera, which normally takes you to its location, also rotates the camera so that it faces whatever direction you were facing in the viewport prior to clicking on the actor in t ...
LineTraceSingleByObject not Returning Valid Physical Material
UE - Gameplay - Mar 22, 2016Attempting to perform an is valid check on a physical material from a FHitResult returns invalid. This does not occur when using a blueprint setup, it only seems to occur when using code. Found ...
Switching to different modes in the Modes panel causes PIE to take input from a connected VR headset for the Y axis camera movement
UE - Platform - XR - Dec 9, 2016If a VR headset is connected, it will be used for Y axis camera input in PIE if you have switched to and from the Landscape tab in the Modes panel. You can fix this temporarily by reopening the edit ...
[CrashReport] Mac crash in UE4Editor-Engine.dylib!LoadPhysXModules()::$_0::operator()()
UE - Platform - Apple - Jun 8, 2017This is a common Mac crash that has been occurring since 4.15. It shares the same callstack with [Link Removed], but that was verified fixed for 4.16.0, while this crash still continues into 4.16. ...
Material Ambient Occlusion Does Not Work With Skylight Set to Movable
UE - Graphics Features - Jul 27, 2018Material ambient occlusion does not work with the skylight set to movable. Setting the material to allow static lighting will fix the issue until the level is reloaded. Found in 4.19 CL# 4033788, 4 ...
Assert when tracing animations with Linked Anim Graphs
UE - Anim - Runtime - Oct 19, 2021An assert fires related to the node index for the linked animgraph node being the same as the node index for the root node in the linked anim graph. Can be worked around by commenting out the check ...