Unreal Engine Issues
Unreal Engine Issues
Physics Constraint Component loss of accuracy
UE - Simulation - Physics - Mar 6, 2025Physics Constraint Component has lost accuracy between Unreal versions 5.2 and 5.4 (and up). When measuring the exact distance between rigid bodies constrained by a Physics Constraint Component, the ...
After importing morph target: Ensure condition failed: Referencing SkeletalRenderGPUSkin.cpp
Tools - Sep 23, 2017Hit handled ensure when dragging the slider in Morph Target PreviewLogOutputDevice: Error: Ensure condition failed: DynamicData->MorphTargetWeights.Num() == LODModel.MorphTargetVertexInfoBuffers.Get ...
Detour AI Controller Not Functioning Properly
UE - AI - Oct 30, 2015Using AI Detour in 4.9.2 works as expected, however, when upgrading a project from 4.9.2 to a newer version, the AI pawns fail to properly navigate around each other when moving to their respective ...
Splash screen on iOS is stretched
UE - Platform - Mobile - Dec 22, 2015The splash screen on the iPhone 6s is stretched when loading. Tested alongside the iPhone 5s and the Samsung Galaxy Note 2 for comparison. The stretching only occurs on the 6s. iPhone 6s: 6240_iPho ...
Unreal Logo in Display 3.1 Continues to Spin After Button is Turned Off
Docs - Samples - Sep 21, 2016While writing test cases for the Blueprint Communication Content example, I came across this inconsistency. The logo continues to spin even after the button is no longer active. I expected the logo ...
Twinmotion hangs when importing an .obj file.
TM - Interoperability - Feb 1, 2024Reported by client in SF [Link Removed] When importing an obj file, Twinmotion hands during the import. This only occurs in 2023.2.1 and does not occur in the 2023.1.2 version or earlier. Was able ...
Crash when Listen Server Attempts ServerTravel in Play in New Editor Window
UE - Networking - Jun 9, 2015JamesG: New callstack on UDN thread points to UNetDriver::TickFlush Editor crashes if a listen server attempts to use the console command ServerTravel while in Play in a New Editor Window. CrashR ...
Ease Function resets Blend Exp on Restart
UE - Gameplay - Blueprint - Jan 27, 2015The Ease Node when set to use the Function Ease In, Ease Out or Ease InOut the Blend Exp will reset to 2.0 on each editor reload. It will even break variable inputs to return to 2.0. Reproduced in ...
Merge Actor tool can no longer merge just materials for an actor
UE - Gameplay - Jul 5, 2016In 4.11 when you selected an actor with multiple material elements with the merge actors tool open you had the option to merge the material elements into a single one. This option is no longer valid ...
Certain combined Linear/Angular movements cause Client to freeze for several seconds
UE - Simulation - Physics - May 24, 2019When using Replicated Movement, certain combined linear/angular movements cause the client to freeze for several seconds and then catch up to the server. This is a regression from 4.21.2 (CL-4753647 ...