Unreal Engine Issues
Unreal Engine Issues
Virtual textures flicker if physical pool is oversubscribed
UE - Graphics Features - Feb 24, 2021If a virtual texture physical pool becomes oversubscribed the current behavior is: Log a one time only warning: ''Failed to allocate VT page from pool...' Continue to evict the least recently used t ...
Substrate SSR reflections are black
UE - Graphics Features - Substrate - Dec 17, 2024Substrate Materials do not use Screen-Space reflections. Instead, they do not have any reflections (indirect specular) on the surface. ...
Bake Pose is not applied correctly when using LODSettings asset
UE - Anim - Rigging - Jul 16, 2025The Bake Pose setting does not work when using a SkeletalMesh LODSettings asset. After the change in CL22878911, the BasePose in the LODSettings asset is no longer copied to the BakePose in the skel ...
Crash when trying to change game mode settings
Trying to change game mode settings after restarting the editor will cause the editor to crash. ...
Setting character animation in parent BP and mesh in child BP does not play the animation in a packaged game
UE - Gameplay - Jan 21, 2015When a child BP is used to with a skeletal mesh to play an animation set in the parent, the animation will play in editor and in standalone but will not play in a packaged game. ...
Load level interactions are not working on mobile
UE - Editor - UI Systems - Dec 9, 2014When using UMG to load levels on a mobile device, The first level is being loaded but nothing after the first is able to trigger any additional levels to load. ...
The World Outliner will only show one Child Actor on a Blueprint that has multiple Child Actors in its Components tab
Tools - Apr 13, 2015The World Outliner will only show one Child Actor on a Blueprint that has multiple Child Actors in its Components tab. Note that all Child Actor Components added via the Construction Script will dis ...
Setting NavModifierVolume's AreaClass at runtime does not result in navmesh rebuilding
UE - AI - Apr 23, 2015The volume does accept the change and if it gets moved the navmesh will rebuild with new area set. The core issue is that setting NavModifierVolume.AreaClass at runtime does not notify navigation sy ...
Large snap scaling causes meshes to scale 0
UE - Editor - Workflow Systems - Mar 3, 2016With a large snap scale just selecting the uniform scaler will make the content scale to 0. It seems like it is far too easy for meshes to accidentally be scaled to 0 with snap scaling. Another exa ...
Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash
UE - Gameplay - Blueprint - Jan 13, 2015Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...