Unreal Engine Issues
Unreal Engine Issues
Inifinite loop in tick task manager with tick when paused and interval
UE - Gameplay - Sep 16, 2016When processing tick when paused tick interval tick functions an infinite loop can occur. ...
ParticlePosition doesn't use Previous values
UE - Niagara - Jan 9, 2024FHLSLMaterialTranslator::ParticlePosition does not return Previous information when request which can result in bad motion vector calculation. ...
Timer does not update in Vehicle Game
Docs - Samples - Oct 5, 2016When trying to test Vehicle game, the counter did not increase as time elapsed. This prevents being able to test if the lap function is working. Tested in 4.13.2 CL 3145013 and it was working. Thi ...
Utility functions in UEdGraph_ReferenceViewer are no longer exposed
UE - Editor - Content Pipeline - Content Browser - Oct 29, 2018A number of utility functions are provided in UEdGraph_ReferenceViewer for building menu extenders. This class was originally included in the engine as part of the ReferenceViewer module, but was re ...
Reimport Skeletal Mesh break Morph Targets if you have Active Reduction on base LOD
UE - Editor - Content Pipeline - Import and Export - Aug 27, 2019Recent change to Material Expression code missing a case for "exp2" function in switch (cpp)
UE - Editor - Content Pipeline - Datasmith - Mar 4, 2024The function "FMaterialDerivativeAutogen::GetFunc1ReturnType(...)" does not have a case for "EFunc1::Exp2". Also found in Release-5.4, CL: 331987674 ...
Sequencer UpdateTimeCursorPosition can set TimeCursorPosition beyond the end of the track when stopping
UE - Anim - Sequencer - Oct 11, 2016After calling Stop() in UpdateTimeCursorPosition (LevelSequencePlayer.cpp:392), we continue on to set TimeCursorPosition to NewPosition. At this point, NewPosition is beyond the end of the track. A ...
Evaluate ClampedPow material function
UE - Graphics Features - Mar 16, 2017ClampedPow seems to have been added as a way to tackle common compile warnings and edge cases (particularly NaNs), but the code shouldn't be calling both an abs() then a max(). This causes negative ...
Blueprint inherited from StaticMeshActor will fail to compile if StaticMesh is NULL
UE - Gameplay - Blueprint - Jan 10, 2019Some developers reporting incorrect Preview in VR resolution for Steam VR
UE - Platform - XR - Aug 18, 2020VR Preview Window is the wrong resolution, just showing the top left portion of the entire view. Somewhat similar symptoms to -[Link Removed]-, not exactly the same though. This issue has not be ...