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 ...
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. ...
On mouse Down not firing for left click on Button widgets when using precise click
UE - Editor - UI Systems - Aug 31, 2017When using the left mouse button to click and drag a button, the on drag detected will not fire even when using precise click. This was not the case in previous versions of the engine (Works as expe ...
Can't change to Orthographic View when viewing Character assets in Editor
OLD - Anim - Nov 20, 2017When attempting to view an Animation Blueprint, Skeletal Mesh, or Physics Asset in any of the Orthographic views the Editor remains in Perspective View. This is a regression as the issue was not pre ...
Mouse movements during Simulate will slightly move Skeletal Mesh actors that are simulating physics
UE - Simulation - Physics - Nov 27, 2017Mouse movements during Simulate will slightly move Skeletal Mesh actors that are simulating physics. This also effects physics assets in the PhAT editor during simulate. The effect is small but I wa ...
Materials displayed in Material Editor are jittery / shaky on Linux
UE - Platform - Linux - Nov 29, 2017Materials displayed in the material editor do not appear the same as on Windows platform. Edges of the material sphere appear jagged and flicker on Linux rather than being a crisp circular line (se ...
Box Collision component with physics interacts with the player capsule when set to Overlap only
UE - Simulation - Physics - Dec 8, 2017Box Collision component with physics interacts with the player capsule when set to Overlap only. This only seems to happen when both the Box Collision and the player capsule are set to Generate Ove ...
Static meshes in a particle system are not affected by decals
UE - Graphics Features - Dec 21, 2017There is an issue where Static meshes in a particle system are not affected by decals, It is unsure if this is intentional behavior or not. This issue does not appear to be a regression Versions ...
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 ...