Unreal Engine Issues
Unreal Engine Issues
Split screen causes artifacting to occur in packaged projects when using UMG
UE - Graphics Features - Apr 21, 2016If the user is using the split screen feature and adds a widget to the screen of each player, this can cause what looks like a failure to completely update everything on screen causing a weird artif ...
Add Component node loses reference on BP compile
UE - Gameplay - Nov 16, 2017When adding an actor or scene component blueprint reference to an actor blueprint, the component gets changed to an Add Component node when updating the component blueprint. This bug was not present ...
Fix primitive uniform buffer validation.
UE - Rendering - Architecture - RHI - Jul 31, 2020GPUScene primitive validation is currently busted and asserts. It looks like there are two problems: 1) NaN's in the entries can cause comparison issues, so a MemCmp would be better. 2) There's a ...
Unable to play level sequences or actor sequences while the game is paused
UE - Anim - Sequencer - Dec 7, 2020This is caused by several failures in the custom ticking and update logic for level and actor sequences. A possible solution is shelved in 14859265, but will need testing with all known cases of pau ...
User INI settings should be able to load/save to/from iCloud on tvOS and optionally iOS.
UE - Platform - Mobile - Jan 10, 2022UGameUserSettings just uses the ini file system and GameUserSettings to save/load user settings. on tvOS these files are not truly persistent and we should support loading GameUserSettings from iClo ...
Animation may not cull when VSM is enabled
UE - Graphics Features - Shadows - Sep 12, 2022When VSM is enabled, animation is not culled and animation continues to play. WhenVisibilityBasedAnimTickOption=OnlyTickPoseWhenRendered, animations outside the camera view are culled, but when VSM ...
UInstancedStaticMeshComponent::AddInstances does not appear to be adding per-instance previous transforms when enabled
UE - Rendering - Graphics Features - Dec 3, 2025Instanced static mesh component does not add instances transforms to PerInstancePrevTransform array when using UInstancedStaticMeshComponent::AddInstances. Additionally Updating the transforms of th ...
Dynamic Obstacle Blueprint components do not correctly affect navmesh in standalone mode
UE - AI - Jul 21, 2015Static mesh components of blueprints with "Is Dynamic Obstacle" set to true do not correctly affect navigation when standalone mode is initially run. Once another object is moved and the navmesh is ...
EnableGDT does not work correctly in PIE
UE - AI - Jul 13, 2015The console command "EnableGDT" will bring up the GDT menu, however no information will be updated. The screen gains the menus for GDT however no functionality seems to exist. Workaround: press ' ...
PathInstance reuse is not fully supported
UE - AI - Oct 26, 2015Check UDN for details:FindPath repathing on partial path overrides Error result (missing path reset)FindPath doesn't update last repath time, although it does set initial value for newly created one ...