Unreal Engine Issues
Unreal Engine Issues
UE Editor 5.3 - Level Viewport - Unlocalized Issues
UE - Editor - Workflow Systems - Jun 23, 2023How to Reproduce: 1. Open Editor 5.3 (ReltestB) in Localized version (culture= ) 2. Click on the "show" icon in the level viewport 3. Navigate to the following locations in the Show menu and observ ...
Option "Always load last project on startup" is broken on UE 5.3
UE - Editor - Workflow Systems - Dec 9, 2023In UE 5.3, when the option "Always load last project on startup" is enabled and a new Editor launch attempts to automatically reopen the last closed project, the dialog "The following modules are mi ...
Mobile Map loading times have increased from 4.12 to 4.13
UE - Platform - Mobile - Oct 4, 2016The loading time from 4.12 to 4.13 on mobile devices seems to have increased quite a bit. My results: 4.12.5 Windows 7 - Launch On: Loading Level 2 - .51 Loading Level 3 - .74 Loading Level 1 - .73 ...
Outliner eye toggle fails to hide static meshes when Affect Indirect Lighting While Hidden is enabled
UE - Rendering Architecture - Nov 5, 2025When a static mesh has the property Affect Indirect Lighting While Hidden enabled, toggling its visibility via the Outliner eye icon does not hide the mesh in the editor viewport. The actor remains ...
ObjectScale returns a Cascade Mesh particle's XYZ scale as 1.0
UE - Niagara - May 13, 2020Sampling a Cascade Mesh Particle's scale always returns XYZ as 1.0 This is a regression from UE4/Release-4.24. This does NOT affect Niagara Mesh particles. I've attached a Cascade (left example ...
Lightmap Coordinate Index is not automatically set to 1 on import any longer with lightmap UV
UE - Editor - Content Pipeline - Import and Export - Sep 6, 2016When importing a static mesh with a second UV channel setup for the lightmap the second UV is no longer being automatically assigned as the lightmap coordinate index. In 4.12 the second UV detected ...
[MetaSounds] - Changing an Input to Modulation Parameter crashes editor due to module load order
UE - Audio - MetaSounds - May 27, 2022Setting an Input type on Modulation Parameter crashes the editor with:Assertion failed: Pair != nullptr [File:E:\SMoyls_UE5_Release-5.0\Engine\Source\Runtime\Core\Public\Containers\Map.h] [Line: 643 ...
RayTracing Final Gather is not working in UE 5.1
UE - Graphics Features - Ray Tracing - Apr 12, 2023Further Comments: Customer is using the deprecated ray traced mode. ...
Particle Systems Don't Play In Reopened Levels With ES 3.1 Enabled
UE - Niagara - Jan 27, 2020Particle systems placed in levels don't play as expected on level load when using ES 3.1 Preview. Found in 4.24.1 CL#10757647 Reproduced in 4.25 Main CL#11115840 ...
Unable to Edit Curve Names between 2 Different Animsets (if name of curve is the same)
OLD - Anim - Aug 13, 2015If you create 3 curves in AnimSequence A and name them 1, 2 and 3 respectively, then create 3 curves in AnimSequence B and name them 4,5 and 6 respectively... In AnimSequence B you will not be able ...