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 ...
Pink lighting artifacting on Mac
UE - Graphics Features - Lumen - Mar 23, 2023There are pink lighting spots around the level when opening ContentExamples on Mac. Lighting starts out more intense but fades as the level loads in. Also occurs in new FirstPersonBlueprint templat ...
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 ...
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 ...
Launching from the editor can cause certain maps to become dirty and require saving and/or checkout
UE - Foundation - Core - Cooker - Sep 21, 2016Using the launch option in the editor will cause some maps in the "List of maps to include in a packaged build" to become dirty and require checkout when in a project that is connected to source con ...
Particle Lights do not honor Lighting Channel assignments
UE - Niagara - Jul 15, 2016Particle system light's module does not use Lighting Channels. The particle system itself will accept lighting from it's assigned lighting channels but the lights spawned from the particle system, n ...
Ctrl+Dragging multiple pins at once will sometimes drop pins
UE - Gameplay - Blueprint - Oct 7, 2016Ctrl+Dragging multiple pins at once will sometimes drop pins This is a regression. The same setup was working in 4.12.5, but isn't working in 4.13.1 & Main (4.14) User Description: Blueprint conn ...