Inifinite loop in tick task manager with tick when paused and interval

UE - Gameplay - Sep 16, 2016

When processing tick when paused tick interval tick functions an infinite loop can occur. ...

ParticlePosition doesn't use Previous values

UE - Niagara - Jan 9, 2024

FHLSLMaterialTranslator::ParticlePosition does not return Previous information when request which can result in bad motion vector calculation. ...

Utility functions in UEdGraph_ReferenceViewer are no longer exposed

UE - Editor - Content Pipeline - Content Browser - Oct 29, 2018

A 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, 2019

Recent change to Material Expression code missing a case for "exp2" function in switch (cpp)

UE - Editor - Content Pipeline - Datasmith - Mar 4, 2024

The function "FMaterialDerivativeAutogen::GetFunc1ReturnType(...)" does not have a case for "EFunc1::Exp2". Also found in Release-5.4, CL: 331987674 ...

Text overflows on Material_Properties sample 1.6

Docs - Samples - Aug 13, 2016

In ContentExamples on sample 1.6 of the Material_Properties map, the text overflows the area given for it. ...

Sequencer UpdateTimeCursorPosition can set TimeCursorPosition beyond the end of the track when stopping

UE - Anim - Sequencer - Oct 11, 2016

After 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 ...

Alembic Cached Geometry Does Not Display in Stand Alone Game

UE - Gameplay - Sep 20, 2016

Alembic meshes imported as cached geometry don't display in stand alone game. ...

Evaluate ClampedPow material function

UE - Graphics Features - Mar 16, 2017

ClampedPow 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 ...