Unreal Engine Issues
Unreal Engine Issues
Complex collision mesh might lose its collision in the editor
UE - LD & Modeling - Modeling Tools - Mesh Editing - Feb 18, 2020This is affected by loading order. In the case, display mesh was loaded firstly and try to build collision mesh form complex collision mesh asset. But the collision mesh didn't finished to make Ren ...
Engine Crashes On Scene Close When An Actor Is Spawned With Templated FActorSpawnParameters
UE - Simulation - Physics - Mar 5, 2020When an actor is spawned with Spawn Parameters that are templated the engine crashes when closing a scene. This wasn't happening when there wasn't a physics constraint on the spawned blueprint. Thi ...
Black viewport with artifacting when changing to MSAA with Forward Shading enabled
UE - Graphics Features - Dec 2, 2020DID NOT OCCUR IN BP FPS PROJECT - might be ContentExamples specific This issue does not occur when forward shading is disabled. Viewport error reads: TOO MANY OVERLAPPING SHADOWED MOVABLE LIGHTS ...
Sequencer- New takes will not respect project setting take number if initial asset doesn't have a shot number
UE - Anim - Sequencer - Jul 18, 2024With 5.2, we allowed the take separator to be multiple characters long. But it would appear that when using this feature, if you don't also have a 'shot number' before the take separator, then the n ...
Material overrides not respected when generating HLODs.
UE - World Creation - Worldbuilding Tools - HLOD - Oct 1, 2024When generating HLODs, it is possible for the generator to ignore material override settings. The generator will not respect the constants, and does not change them in the Material with a default se ...
First Person Primitive
UE - Graphics Features - Feb 20, 2025First Person Scale and First Person Field of View on camera components do not apply to the depth prepass when rendering First Person View meshes, leading to a mismatch between the depth pre-pass and ...
Interface cannot be re-implemented after removal from blueprint
UE - Gameplay - Blueprint - Sep 1, 2015If an interface is removed from a blueprint and an interface function is transferred to a local function, the interface cannot be re-implemented in the blueprint. ...
nonstandard bsp additive brushes cause breaking/artifacting on other bsp brushes when colliding
UE - LD & Modeling - Modeling Tools - BSP - May 14, 2015if a nonstandard additive bsp brush collides with a standard additive bsp brush, the surfaces of the bsps break and artifact, causing numerous holes in the brushes. ...
Issues with Convert Selected Actor to Blueprint Class (previously Replace with Composited Blueprint)
UE - Gameplay - Blueprint - May 14, 2015A licensee on UDN brought up some issues with "Convert Selected Components to Blueprint Class". After investigating a bit, it seems there's been some regression compared to what could be done with " ...
Memory leak after exiting PIE
There appears to be a memory leak when you PIE and then exit PIE. Users are reporting that each time they PIE, their RAM usage jumps up, say, 10MB, then when you exit PIE, it only drops down 5MB. ...