Unreal Engine Issues
Unreal Engine Issues
SessionFrontend Causes Lost Audio on iOS After Switching Apps
UE - Audio - Oct 20, 2020When using SessionFrontend on some devices, when leaving the app (going to the home screen or another app) or sometimes locking the device there is no more audio after returning to the game. "It lo ...
Split pins on nodes within sub-graphs in an animation blueprint are broken
UE - Anim - Runtime - Mar 16, 2021There's a bug in the anim bp compiler which results in split pins on animation nodes not being merged properly back onto their parent pin during compilation. The result of this is that any input to ...
Untracked Metadata does not work on arrays of soft objects
UE - CoreTech - Jul 19, 2021The "untracked" metadata field turns off tracking of soft object references so they will not appear in the content browser or modify things like cooking rules. It works fine on individual references ...
Incorrect Redirector(s) created when renaming a LevelSequence
UE - CoreTech - UObject - Jan 19, 2024Renaming the LevelSequence also renames the internal DirectorBP. Renaming the BP triggers the rename of its BlueprintGeneratedClass asset. A Redirector will be created for the BGC but it will be in ...
Navmesh blocking representation for cylinders is wrongly offset when the mesh has IsDynamicObstacle=true
UE - AI - Navigation - Jul 16, 2024In a mesh asset, setting Navigation>IsDynamicObstacle=true will make the Navigation / Cylinder Collision projection appear in a wrong position. As described in the case, the fix should reside in Na ...
Runtime Virtual Texture rendering can allocate more FRDGBuffers than expected
UE - Rendering Architecture - Dec 10, 2024When rendering runtime virtual texture pages without throttling (when r.VT.MaxUploadsPerFrame is high or during Movie RenderQueue captures) the number of FRDGBuffers allocated by the Render Graph Bu ...
Invalid DumpGPU capture when ProjectDisplayedTitle contains special utf8 chars
UE - Graphics Features - Mar 7, 2025Placing a special UTF-8 character into the "ProjectDisplayedTitle" will result in GPU dumps failing to open. This appears to be because the dump will switch between us-ascii and UTF-16 file formats ...
GPU Crash may occur when using Nanite Tesselation on landscape with several shadow casting local lights
UE - Graphics Features - Nanite - May 5, 2025The GPU may time out in NaniteSplit when drawing VSM shadows for Nanite Tessellated landscape with in a scene with several local shadowed point lights. The issue doesn't reproduce in 5.6, likely to ...
Skeletal Mesh breaks perspective view in Physics Asset Tool.
UE - Simulation - Physics - Feb 19, 2016When importing licensee's provided asset the Physics Asset generated will completely break the Perspective View in PhAT. The other orthographic views will work as intended though. The licensee has ...
Regression: Visibility property is not seen in the animation track in UMG
UE - Anim - Sequencer - Mar 6, 2017Visibility track in 4.15 launcher version is not visible. Converted projects from previous version which already had this track, but cannot create new one. If I add Interp keyword in the UPROPERTY, ...