Unreal Engine Issues
Unreal Engine Issues
Hardware Raytracing on Lumen can cause a crash on AMD Radeon GPUs
UE - Graphics Features - Lumen - Jul 29, 2025Hardware Raytracing support can cause a crash on AMD Radeon GPUs when creating the RT pipeline state. ...
Modifying PostProcess Film Slope can cause TSR to produce ghosting artefacts
UE - Graphics Features - Aug 11, 2025When TSR is active, the scene is dark, and a foreground object is lit, modifying the Film/Slope value on a PostProcessVolume can lead to TSR ghosting. TSR occurs prior to Tonemapping, so the issue ...
Point light missing issue on PowerVR GE8xxx when GPUScene is enabled
UE - Platform - Mobile - Sep 17, 2025On PowerVR GE8xxx devices (e.g., GE8320), running with GPUScene enabled on the OpenGL ES path, point/local Lights render nothing or significantly weak result. Withouy GPUScene(UniformView/UBO path), ...
On Linux, FBX Import breaks content browser and RMB control in edior
UE - Platform - Linux - May 12, 2015After importing a FBX and closing the project, upon reopening the content browser does not show any assets and click/holding RMB does not allow camera to pan around. ...
Editor crashes on user project when attempting to spawn an actor from a struct within user's project.
UE - Networking - Sep 23, 2015Editor crashes when attempting to spawn an actor from a struct within user's project. Frequency: 5/5 crashreporter: [Link Removed] ...
Interrupting SetViewTargetWithBlend causes camera to snap to one actor
UE - Gameplay - Aug 17, 2015If you interrupt a SetViewTargetWithBlend with another SetViewTargetWithBlend, it snaps to the second ViewTarget instead of blending back. ...
Substance Plugin causes packaged projects on Mac to fail to open
Tools - Jun 17, 2015If a project is packaged on the Mac while the Substance Plugin is installed, the resulting .app will fail to open. This does not generate a log. ...
C++ Event Dispatchers target pin cannot be set to actor references
UE - Gameplay - Blueprint - Nov 13, 2014When connecting C++ created event dispatcher, the Target node will not accept reference to other actors. This is happening in 4.6 and Main but is working as intended in 4.5.1 ...
Trace from cursor sporadically returns false if camera is positioned over 1k uu from character and mouse is over a landscape
UE - LD & Modeling - Terrain - Landscape - Jun 1, 2015Trace returns false periodically when camera is positioned above 1k units from character if the cursor is over a landscape ...
German keyboard layout does not recognize the keys ö,ü,^ in editor
Tools - May 12, 2015ö,ü,^ keys are not recognized on keyboards with a german QWERTZ layout in editor. ...