Unreal Engine Issues
Unreal Engine Issues
Using High Resolution Screenshot while the viewport is in Full Screen causes massive performance issues after the screenshot is successfully taken until the Editor is restarted
UE - Graphics Features - Jan 6, 2022This is a regression. Maybe Binary only if it hasn't already been fixed. Tested in:StreamCLTypeResults//UE5/Main18386535PerforcePerformance is normal after screenshot//UE5/Main18218925Perforce Per ...
Installed builds of the Engine cannot package game targets with optional game features
UE - Foundation - Build - Rocket (Installed Engine) - Mar 10, 2022The build system supports many types of flags that can be enabled in game-specific Target.cs files to enable things like logging in shipping, target-specific overrides like custom config, or enablin ...
Landscape nanite height mismatch
UE - Graphics Tools - Terrain - Landscape - Oct 17, 2023From licensee: The height of Nanite rendered landscape does not match the height of non-nanite landscape. The error gets worse if you increase the Z Scale of the landscape actor. Our project rec ...
Soft Raytracing Shadows are flickering
UE - Graphics Features - Ray Tracing - Feb 18, 2025[Image Removed][Link Removed] ...
Characters can fall through a rotating sprite that has been scaled
UE - Gameplay - Paper2D - Oct 23, 2014A scaled sprite does not appear to consistently maintain its collision for characters near its edges. I'm not certain whether this has anything to do with the character being in a fall state, but th ...
When no root is present, Sequence Recorder sets top bone to origin
UE - Anim - Sequencer - May 12, 2016With skeltons that don't have a root or have a root that is not at the origin, sequencer recorder will snap it to the origin in it's recorded animations. [Image Removed] ...
FBX imports non-sequentially named Skinxx id's will not import all material elements
UE - Editor - Content Pipeline - Import and Export - Jan 25, 2016When importing an asset that is using the naming convention for SkinXX to order material elements does not work properly when the elements are not sequential. Any material that is not in sequential ...
Broken assignation of materials when merging meshes
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jul 18, 2019See the following UDN for a good visual explanation of the bug: https://udn.unrealengine.com/questions/512811/view.html Seems like this was introduced around CL 5639656. ...
Empty Mesh Sections with MergeActors Tool
UE - World Creation - Worldbuilding Tools - HLOD - Sep 27, 2019Map Check will output the following error, which makes no sense: SM_FourCubes_1 - 1 element(s) with zero triangles in static mesh 'SM_FourCubes' ...
Material Billboard Component doesn't respect screen size when taking into account Camera FOV and AR
UE - Platform - XR - Aug 27, 2020Material Billboard Component skews when Camera's Aspect Ratio is changed, and varies in size with changes to the Camera's Field Of View. Reported in version 4.25.3 (CL-13942748) and tested in versi ...