Unreal Engine Issues
Unreal Engine Issues
Crash when generating mip maps for texture
UE - Graphics Features - Dec 23, 2019Generating mip maps results in crash and seems to duplicated 1x1 mip level. NOTE: The bug was originally reported in 4.23.1, however, for some reason I was able to open the texture in 4.23.1 afte ...
Show Spherical Limit Does Not Show Constraints
OLD - Anim - Apr 25, 2018Show Spherical Limit does not display the constraints in the viewport of the animation Blueprint Constraints are visible in 4.18.3 ...
Show Planar Limit Does Not Show Constraints
OLD - Anim - Apr 25, 2018Show Planar Limit does not display the constraints in the viewport of the animation Blueprint Constraints are visible in 4.18.3 ...
NaN is handled differently when clamped on Windows and Android/iOS
UE - Platform - Mobile - Oct 18, 2017NaN (Not a Number) is handled different when clamped on Windows and Android/iOS. If you clamp a NaN (Acheived by -3 ^ 0.2 in the reproduction project) from 0.0 to 1.0 and then print the result, you' ...
Scale with Width on Landscape Splines offsets plane mesh on Z axis
UE - LD & Modeling - Terrain - Landscape - Apr 22, 2015If "Scale with Width" is set on a landscape spline with a plane mesh, the plane will offset on the Z axis. In most other cases, scaling along the z axis does not affect planes. ...
When Adding Custom Bindings, get ensure that "Multiple persistent shared references detected for Sequencer..."
zComponent - Archive - Nov 17, 2025Ensure: Error LogOutputDevice Ensure condition failed: SequencerRefCount == 1 [Link Removed] [Line: 967] 1. Error LogOutputDevice Multiple persistent shared references detected f ...
Artifacts in imported GLB and GLTF files
TM - Interoperability - Mar 10, 2025Reported in SF [Link Removed] Client reports that many of their GLB and GLTF files they use appear with visual artifacts when imported to Twinmotion. These artifacts only appear in Twinmotion and n ...
Inconsistent events triggered by FlushProcessedKeys during keyboard hold input
UE - Gameplay - Input - Dec 20, 2024Key repeats from the OS do not affect the EnhancedInput normally, but it causes inconsistent event triggers when FlushProcessedKeys is called with holding a keyboard key down. Removing references t ...
[CrashReport] Linux crash - /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so()
UE - Platform - Linux - Nov 16, 2017This is a new Linux crash in 4.18.1. There are a few similar but different callstacks that reference dri/radeonsi_dri.so() I've attached a log, but none of the ones I've looked at appear to contai ...
Lighting build fail due to failing to open channel for material data
UE - Graphics Features - Apr 21, 2017Licensee reports lighting build fails for their specific levels which were created in 4.14.1 then moved to 4.15.1. Workaround: Setting LogLightmassSolver verbose level to Warning can show "Warning ...