Unreal Engine Issues
Unreal Engine Issues
Material Parameter Collections are not working on Android v 5 phones from 4.11
UE - Platform - Mobile - Feb 9, 2016Material Parameter Collections are not successfully passing stored values into Materials when packaged for an Android Phone with an OS version of 5. Both version 4 and 6, correctly use the MPC.Test ...
LogHttp:Warning: 0000024E4A050880 Response Header Content - Issue with the Survey
Tools - Feb 28, 2017LogHTTP:Warnings are populating in the output log when the editor opens any project in 4.15.1 This is not occurring in //UE4/Main This is not occurring in 4.14.3 Marking as regression WarningsLo ...
Crash when Copy/Pasting from Older UE Versions
UE - Editor - Workflow Systems - Mar 17, 2023When copy/pasting scene objects from older Unreal versions into Unreal 5.1, the editor will crash. ...
ShooterGame server crash Failed to find Font VRText_RobotoLarge
UE - Editor - Workflow Systems - Aug 23, 2016ShooterGame servers crash on the Linux and Mac machines. The following failed to find Font warnings appear in the output: [2016.08.23-16.59.05:186][ 0]LogUObjectGlobals:Warning: Failed to find ob ...
ResetToDefault() incorrect behavior with multiple components selected with different defaults
UE - Framework - Blueprint Editor - Oct 2, 2023In the blueprint editor when selecting multiple components and resetting a property that exists on both components to its default value, when the components had different default values the editor r ...
A partially broken Geometry Collection ends up with garbage CollisionGroup data that can lead to strange behaviors
UE - Simulation - Physics - Destruction - Apr 27, 2025A partially broken Geometry Collection (GC) ends up with garbage CollisionGroup data that can lead to strange behaviors. The licensee has noticed that a GC that goes thru a field applying ExternalS ...
Forced reboot launching editor the first time
UE - Foundation - Cpp Tools - May 30, 2018Note that before I tried running the editor via the Launch button, I just happened to run the Editor exe directly, and this did not repro then. After my PC rebooted I tried to reproduce it again an ...
LODs screen sizes in legacy assets are incorrectly converted to all have the same value on load
UE - Editor - Content Pipeline - Sep 11, 2025When loading a static mesh asset created in an old version of Unreal (e.g. 4.10), all LODs have their Screen Size property set to the same value (approximately 1.5). This happens because the static ...
FPS drop when deploying to a Mobile device
UE - Platform - Mobile - Feb 27, 2015The FPS drop off of this users project is significant between version of UE4. I tested this issue on a Samsung Galaxy Note 10.1 2014 edition. I also tested on a iPad air 2 on 8.1. There was a sig ...
UV Rotation does not work for video materials
TM - Rendering - Dec 9, 2024The rotation parameter of video materials does not function in Twinmotion 2024.1.2 and Twinmotion 2025.1 PR. Adjusting the slider does not have any effect. Feature last worked in Twinmotion 2023.2 ...