Unreal Engine Issues
Unreal Engine Issues
Tessellation Materials are not working on Landscapes
UE - LD & Modeling - Terrain - Landscape - Dec 17, 2019Tessellation is not working on landscapes, but it does works fine on static meshes. This is a regression from 4.23.1 (CL-9631420) where the tessellation was visible with this setup. This was tested ...
Reading curves from an FBX incorrect with FFbxCurvesAPI
UE - Anim - Sequencer - Dec 20, 2019A licensee has brought up some inaccuracies in the reading of curve data from FBX files: #1, Remove calls to SetKeyInterpMode, SetKeyTangentMode, SetKeyTangentWeightMode, and change them to NewKey. ...
Adding a camera cut track through sequencer scripting does not set the movie scene's camera cut track
UE - Anim - Sequencer - Mar 13, 2020When adding a camera cut track through sequencer scripting there is no way to set the camera cut track on the movie scene, which is how the add track menu determines if a new one can be added. This ...
MediaFramework - Webcam Video input shows as black in Media Player
UE - Media Framework - Aug 17, 2021Alejandro Arango 3 days ago In fact, it seems the 4.27 changes are conditioned by WMFMEDIA_PLAYER_VERSION . So the only change needed is in WmfMedia.Build.cs . They only need to change it to say: P ...
A crash happens with a combination of Event Receive Tick AI and a pawn losing possession
UE - AI - May 18, 2022User reports this is a regression because it worked in 4.27, but they converted to 5.0.1 and now it causes a crash. However, I'm unable to verify this at this time. A crash happens with a combinati ...
Foliage Details require users to drag up the window causing confusion
UE - World Creation - Worldbuilding Tools - Foliage - Oct 12, 2022Tested in: //UE5/Release-5.0 CL 20979098 //UE5/Release-5.1 CL 22346211 Both had the same results of the details panel having no major indication of how to see it. Foliage Details require users to ...
Python function unreal.AssetRegistry.get_assets_by_class is broken
UE - CoreTech - Nov 21, 2022Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to be a regression since the errors do not occur on the previous version and is regression tested o ...
Cable Actor resets to initial end point position when moving the actor while Attach End is disabled
UE - Simulation - Physics - Apr 4, 2023This is a regression. Tested in //UE5/Release-5.1 CL23901901 Additionally, I placed the cable actor in a sequencer then keyed several changes in position. The Cable actor had the same behavior of r ...
Performance concerns with control rig component initialization
UE - Anim - Rigging - Control Rig - May 18, 2023Report from a licensee that InitializeControlRigComponent using CR_Frame_Destructible in city sample is taking a lot of frame time. It seems that a lot of time is being spent hashing and also URigV ...
World Position Offset Object Shadow Cast on Translucent Object Causes Flickering
UE - Graphics Features - Jan 21, 2025When a WPO (World Position Offset) object casts a shadow on a translucent object, the translucent object flickers continuously as the shadow passes over it. Initially logged as a 5.5/5.5.1 but also ...