Unreal Engine Issues
Unreal Engine Issues
Reimporting SkeletalMesh with LODs generated via reduction tool crashes when reduction plugin is disabled
UE - Editor - Content Pipeline - Import and Export - Mar 12, 2021When reimporting a Skeletal Mesh that has LODs generated via the reduction tool, the editor will crash if the Skeletal Mesh Simplifier plugin is disabled. This issue was originally reported on th ...
Renaming Renderer in Parent Emitter breaks name in Child Emitter
UE - Niagara - Mar 12, 2021Renaming a renderer in a parent emitter reverts the name of the renderer in the child emitter. ...
[Reverb][Regression] - The Reverb Effect in World Settings Does Not Update When Loading New Levels
UE - Audio - Mar 12, 2021When loading a new level via the Open Level node in Blueprints, the World Settings do not update the Applied Reverb Effect. When trying to reproduce the issue in 4.25.4, issue did not occur (the r ...
Niagara Component can crash if ticked with a null tick function
UE - Niagara - Mar 12, 2021Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...
Renaming a folder removes empty sub folders
UE - Editor - Workflow Systems - Mar 11, 2021When renaming a folder with empty folders inside of it, the empty folders are removed. This issue is occurring in Perforce //UE5/Main @ CL 15655697 This issue is occurring in Perforce //UE4/Ma ...
Precompile occurs in Niagara when Standalone is started, increasing load time.
UE - Niagara - Mar 11, 2021In 4.26.1, if you remove the collision module from NiagaraSystem, the Precompile will not occur. ...
Pasting an Emitter In Niagara System is not created at cursor position
UE - Niagara - Mar 10, 2021Not a regression as this also occurs in //UE4/Release-4.25.4 Behavior should work like other BP nodes, where copy/pasting puts the node where the mouse cursor is located. Current behavior is time ...
Enabling Window Animations causes drop down menus to flicker and be displaced
UE - Editor - UI Systems - Slate - Mar 10, 2021I tested this with 3 Nvidia Drivers to see if I could find a driver that works properly. I tested the following Game Ready drivers Version 457.30, 461.40 and the latest, 461.72. The flicker occurred ...
[Device Swap][Crash][Stadia] - Crash changing audio device from 5.1 to stereo
UE - Audio - Mar 10, 2021There's a crash on stadia when changing the audio device from 5.1 to stereo. There's also a related issue where voice chat breaks when changing from 5.1 to stereo. The background is that CL14889950 ...
Most Material Instances render as the World Grid Material when placed on a Skeletal Mesh
UE - Graphics Features - Mar 10, 2021When adding certain Material Instances to a Skeletal Mesh, the Material Instance break and renders as the World Grid Material. This persists in the project and the Material Instance cannot be used u ...