Unreal Engine Issues
Unreal Engine Issues
Math Expression Node produces error if it calls a variable located within a hidden variable category
UE - Gameplay - Blueprint - Jan 29, 2016The math expression node in blueprints does not recognize variables that have been hidden within a blueprint category. ...
Foliage is not partially loaded after InstancedFoliageGridSize is changed by WorldPartitionFoliageBuilder commandlet
UE - World Creation - Worldbuilding Tools - Foliage - May 27, 2022Changing the InstancedFoliageGridSize by the WorldPartitionFoliageBuilder commandlet will cause some of the foliage to not load correctly. ...
Assigning a Parent Socket of a component in a child bp also changes that socket for all children and the parent, then resets to the parent default on restart
UE - Gameplay - Blueprint - Sep 28, 2015Assigning a Parent Socket of a component in a child bp also changes that socket for all children and the parent, then resets to the parent default on restart Description: Yesterday i noticed that ...
[MetaSounds][Stereo Mixer] - When changing the gain on the Right channel dynamically, the output has clicks and pops
UE - Audio - MetaSounds - Mar 31, 2022When changing the right channel gain of the stereo mixer at runtime, it generates clicks and pops in the output. ...
Mobile Preview -> AutoLandscape Material broken if created in 4.22+
UE - Platform - Mobile - Oct 25, 2019Landscape Layers created in 4.22+ revert to default material in Mobile Preview. Confirmed in MAIN at CL 9730599 ...
CPU Lightmass generates different lighting results on a landscape if executed via a commandlet vs through the editor
UE - Graphics Features - Jul 3, 2025Building lighting via commandlet and via editor are giving different results. To prevent one method from polluting the other via Swarm cache, the cache needs to be cleared in between tests. ...
Physics Constraint no longer constrains components that are set to Query Only
UE - Gameplay - May 5, 2016Physics Constraint no longer constrains conponents that are set to Query Only Regression from 4.11.2 User Description: Testing a 4.12 copy of my 4.11 project and when I tested in editor, all my ...
Editor crash when using Animation BP pose watch
OLD - Anim - Apr 7, 2020We encountered a crash when using Anim BP Pose Watches to inspect poses on actors in a PIE instance. Specifically it seems ending the PIE session while the Anim BP is still watching the actor in the ...
A SkeletalMesh component will spawn in rotated when setting the skeletal mesh and simulating physics on Begin Play
UE - Simulation - Physics - Jun 28, 2016A SkeletalMesh component will spawn in rotated when setting the skeletal mesh and simulating physics on Begin Play Adding a Delay between SetSkeletalMesh and SetSimulatePhysics will correct the iss ...
Destructible Mesh spawned before static mesh with World or Asset support is not supported
UE - Simulation - Physics - Destruction - Apr 27, 2015When using World Support or Asset Defined Support on a Destructible mesh that is spawned in, if the static world geometry is spawned in after the DM it will not be supported. However, if the static ...