Unreal Engine Issues
Unreal Engine Issues
Editor crashes when importing 4.5.1 project to 4.6
UE - Gameplay - Blueprint - Dec 9, 2014The user converted a copy of their 4.5.1 project to 4.6. Upon opening that project, the editor crashes. Deleting certain widgets allows the user to open the project, but opening any map results in a ...
Separate Fill Alpha does not work on font outlines when outline size is set to 1
UE - Editor - UI Systems - Slate - Jan 16, 2017Font outlines render underneath the text, meaning that partially transparent text will allow the outline color to show through. This can be avoided by enabling Separate Fill Alpha. However, that opt ...
FBX sdk give wrong normals when compile with Visual Studio 17.4.1
UE - Editor - Content Pipeline - Import and Export - Nov 24, 2022At the time this Jira is created, UE 5.1 and 5.2 is using VS 17.3.6 which is working correctly. any update after should repro the issue. ...
Selecting a Struct variable when binding a property in UMG can cause an infinite number of selections
UE - Editor - UI Systems - May 5, 2015If a struct with a Texture 2D variable is chosen when creating a binding for the brush it can create an infinite number of windows. Note: If done enough the editor will crash ...
Cannot Package Game for Windows from External Drive on Windows 8.1 Boot Camp Mac
UE - Foundation - Core - Dec 17, 2014User is trying to package the xixoBerlinFlat Marketplace and cannot get a packged project from an external drive project on a Windows 8.1 x64 system running via Bootcamp on a Mac. ...
Manually changing the value for Constraint Value 1 & 2 causes odd visual issues
UE - Simulation - Physics - Jun 1, 2016Changing the values that govern what bones a constraint is suppose to be a joint between (Constraint Bone 1 & 2) will cause issues where the transform widget is moved to an appropriate location but ...
Debugging Motion Matching in 5.1, looping animations don't loop root correctly
UE - Anim - Gameplay - Jan 31, 2023Just trying a few simple animations in 5.1, I have a few short looping cycle animation that go in different directions. I see very bad results and it looks like it's because of how MM is assuming th ...
Performance problems (freeze) in SCS tree view with a significantly large number of components
UE - Gameplay - Components - Mar 9, 2018User reports an unreasonably long editor freeze when a significantly large number of components need to be processed in the SCS editor tree view (tens of thousands) when selecting an instance of a B ...
Some Twinmotion library assets do not render in Path Tracer in files with a large number of assets
TM - Rendering - Apr 17, 2025Reported in SF [Link Removed] In scenes containing large numbers of certain Twinmotion assets, when activating Path Tracer, some of the assets will not render. The assets will render normally in St ...
Open Sound Control Blueprint Plugin stops working around 1 minute during play
UE - Audio - Jun 3, 2020Messages are not received around 1 minute into playing when using OSC blueprint plugin. Test Project: [Link Removed] User workaround: https://forums.unrealengine.com/development-discussion/blu ...