Unreal Engine Issues
Unreal Engine Issues
Crash After Reimporting Static Mesh With Added Material Slot
Tools - Jan 12, 2017After importing a mesh without any materials assigned, if you add a material slot and save the material. Reimporting this mesh will cause a crash. The only way to avoid this crash is to import a me ...
Switchboard Unable to Launch Multi-User Slate Server in Launcher Builds
UE - Virtual Production - Tools - Switchboard - Jan 14, 2023Switchboard is unable to launch the Multi-User Slate Server in launcher builds. This is because the default install location has "Program Files and "Epic Games" in the path (aka folders with spaces ...
IsOverlappingActor is always returning false
UE - Gameplay - Sep 23, 2015When you use the IsOverlappingActor node to determine whether or not something is overlapping another actor, it returns false regardless of whether or not you're actually overlapping another actor. ...
Android Improved Virtual Keyboard cannot receive non-English characters.
UE - Platform - Mobile - Jun 7, 2017Currently, Improved virtual keyboard in Android only receives English characters and special characters. Need support for other languages. Investigate the bug and research what's needed to make IME ...
Path Tracing denoiser is not stable in animation
UE - Graphics Features - Nov 30, 2021When rendering an animation with the path tracer through MovieRenderQueue, at low sampling rates the denoiser produces splotchy results that flicker from frame to frame. The current denoiser (Ope ...
Frequent ensure opening meshes on Mac, locks up AMD machines
UE - Graphics Features - Jun 6, 2017REGRESSION No, I was able to reproduce the hard lock in 4.16.1. A frequent ensure occurs when opening static or skeletal meshes on Mac. Doesn't reproduce 100% of the time, but I've gotten it about ...
Navmesh seems to have buggy behavior when interacting with HISMCs that programmatically set mesh via SetStaticMesh.
UE - AI - Mar 6, 2020Both versions works correctly if HISMC is pre-placed (generated in ConstructionScript). Only when generated dynamically does it fails. The Navmesh isn't being updated after SetStaticMesh and AddInst ...
C# UHT fails to recognize delegates declared in another class's namespace
UE - Foundation - Cpp Tools - UnrealHeaderTool - Dec 14, 2022Repro Rate: 3/3 This issue occurs in the live build //UE5/Release-5.1 at CL 23058290. This issue has also been regression tested against //UE5/Release-5.0 at CL 20979098 and is confirmed to be a r ...
Cloth Simulation Doesn't Work When Clothing Data Is Applied Before Being Painted
UE - Simulation - Physics - Character - Jan 17, 2020When clothing data is applied before painting the influence on the section the cloth doesn't simulate. I tested this using the Paragion: Twinblast actionhero skeletal mesh asset. Found in 4.24.1 C ...
Calling "GetCameraImage" rapidly ~10 times causes ARKit camera feed to stop updating
UE - Platform - XR - Nov 8, 2018If you call the "GetCameraImage" function rapidly ~10 times, it causes the ARKit camera feed to stop updating. Waiting for awhile or tapping some more seems to bring it back. Tested on macOS H ...