Unreal Engine Issues
Unreal Engine Issues
VR PIE with Oculus - Editor Hangs on Level Load (on 2nd+ Launch)
UE - Platform - XR - Feb 9, 2018Loading a map while in VR PIE hangs on 2nd+ play Does not occur when Oculus plugin is disabled. Does not occur in packaged project. A nonVR PIE will reset this behavior. Additional info from use ...
Navmesh generation doesn't work with Retopologize tool
UE - AI - May 15, 2018When a Landscape is edited with the Retopologize tool, Dynamic Navmesh is no longer generated. This was also tested with Static Navmesh and yielded the same results. ...
UDistributionFloat member resets to null upon Blueprint Compile
UE - Gameplay - May 14, 2019A UDistributionFloat property is reset to NULL when compiling a Blueprint sub-class of a C++ class that has a UDistributionFloat property. ...
Crash when trying to export unsupported Paragon Skeletal Mesh asset in 4.23
UE - Editor - Content Pipeline - Import and Export - Sep 11, 2019When the user tries to export the Skeletal Mesh of TwinBlast (a paragon character that can be purchased off the marketplace) in 4.23. As of the time of logging this bug it is not supported in 4.23, ...
Skeletal Meshes have physics collisions lag
UE - Simulation - Physics - Oct 2, 2019Skeletal mesh's physics collision lag behind the actual mesh. It didn't matter if there was just a root bone or multiple bones/constraints. This doesn't happen when using static meshes. The effect ...
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 ...
The base color of a material in unlit mode changes when specular amount is above 0.0
UE - Graphics Features - Feb 24, 2020Material's RGB base color values are changed in Unlit mode when specular is greater than 0. User repro video: [Link Removed] Tested in: 4.23.1 CL#9631420, 4.25 CL#11574810 ...
Unable to replace variable refs in functions with input parameter variables
UE - Gameplay - Blueprint Editor - May 4, 2020User is not able to replace a variable reference in a function with an input parameter of the same type. ...
(DX12) Groom simulation crashes GPU when viewport gets hidden and unhidden
UE - Graphics Features - Jun 4, 2020Should be related to Groom hair simulation (doesn't crash if hair sim is disabled) Also attaching log files from licensee if that's helpful. ...