Unreal Engine Issues
Unreal Engine Issues
Shader compiler errors when using enclosed local variables in a material while ray tracing is enabled
UE - Rendering Architecture - RHI - Jan 23, 2020A licensee is seeing an issue with a couple of post process materials after enabling ray tracing. While the materials presenting the issue fail to compile for different reasons, they both refernce t ...
FBX SkeletalMesh Importer: unskinned group are added has bone when importing SK
UE - Editor - Content Pipeline - Import and Export - Jan 10, 2020In the fbx Fighter_Jenny is a null object that is not skin to the mesh. null object that are not skin should be remove from the skeleton, at least at the root. Often people want to add a group to al ...
UMG Widgets containing child widgets that have bound animations fail to save
UE - Editor - UI Systems - Jan 10, 2020Adding a child widget that contains a bound animation to a separate widget blueprint results in failure to save. Working in 4.22.3 Tested in: 4.22.3 CL#7053642, 4.24.1 CL#10757647, 4.25 CL#108892 ...
Montage_SetEndDelegate doesn't set for inactive, but unfinished montages, preventing clearing
OLD - Anim - Jan 7, 2020If you call Montage_SetEndDelegate after a montage has begun blending out, but before it terminates, the end delegate will not be set because an active montage instance cannot be found. If an AI is ...
Axis changes when performing FBX import / export with "Force Front X Axis" enabled
UE - Editor - Content Pipeline - Import and Export - Jan 6, 20201. Import the attached test.FBX with "Force Front X Axis" enabled. 2. Export the imported skeletal mesh with "Force Front X Axis" enabled. (Test_export.FBX) 3. The axis does not match in test.FBX an ...
Reflection capture doesn't work with full dynamic lighting
UE - Graphics Features - Dec 27, 2019The Reflection Capture is not showing reflections for anything but the Sky Light when all Lighting is set to Fully Dynamic. This was reported and tested in 4.24.1 (CL-10757647). This was reproduce ...
Materials Are Brighter in 4.24 and 4.25
UE - Graphics Features - Dec 24, 2019Materials are brighter in 4.24 and 4.25 than they were in 4.23. I created the same basic material in 4.23, 4.24, and 4.25 and the 4.23 iteration was slightly darker. Found in 4.24.1 CL#10756747 Rep ...
Niagara Particles in Mesh Shape Don't Render in Scene or Editor Preview
UE - Niagara - Dec 19, 2019Niagara particles aren't rendered in the Niagara Editor Preview or the scene when an emitter is in it. Found in 4.24.1 CL#10756747 Reproduced in 4.25 Main CL#10808197 ...
TimeSynth when reactivated doesn't continue playback from where it was deactivated
UE - Audio - Dec 9, 2019This issue only occurs with -audiomixer passed into the Engine (4.23) and in 4.24/4.25 where it is enabled by default. The user tried deactivating and reactivating Time Synth component to pause it ...
Rhino - Tessellation - 'Crack Free Displacement' not compatible with meshes
OLD - Enterprise - Nov 22, 2019Meshes imported from rhino are not compatible with 'Crack Free Displacement' ...