Unreal Engine Issues
Unreal Engine Issues
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 ...
Preview Rendering Level Android Vulkan will crash the editor in VR Template
UE - Platform - Mobile - Mar 8, 2022DTLS Handler Component module cannot startup on Xbox
UE - Networking - Dec 1, 2022It seems as though enabling the DTLS handler component no longer functions on Xbox, and it's possible enabling this packet handler no longer works on other platforms as well. It may also be worth in ...
Lumen artifacts on splitscreen during camera cuts
UE - Graphics Features - Lumen - Apr 18, 2024A UDN licensee has pointed out that they are seeing unresolved Lumen reflection artifacts when they are running their game in split-screen mode. A video of this behavior is found in the Related tab ...
Generate Lightmap UVS Doesn't Update the Lightmap Coordinate Index
Tools - Jul 23, 2018When importing an fbx file and using 'generate lightmap uvs', the light map coordinate index will not update correctly. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4212847 and 4.21 CL# ...