Unreal Engine Issues
Unreal Engine Issues
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 ...
Half precision is not supported for OpenGL ES 3.1 Pixel Shaders
UE - Platform - Mobile - Apr 6, 2018Fix the cross compiler so half precision is supportedAdd a project setting to specify the default precision to support on ES31. Be sure the shader version takes this setting into account. — User des ...
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. ...
Upgrading a project from 4.7 to 4.8 will cause the character to load before the level in a packaged game
UE - Gameplay - Jun 22, 2015After updating a project from 4.7 to 4.8 the character will be loaded first when the project has been packaged out. ...
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 ...
Null FPhysicsActorHandle dereference in FBodyInstance::InitDynamicProperties_AssumesLocked when CreateShapes_AssumesLocked fails during async body init
UE - Runtime - Simulation - Aug 2, 2026Summary When CreateShapes_AssumesLocked fails during async body creation, the failed FBodyInstance is left in Bodies[] with a released actor handle. InitDynamicProperties_AssumesLocked is then called ...
Debugging Motion Matching in 5.1, looping animations don't loop root correctly
UE - Characters - Animation - 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 ...
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 ...
FBX Import - 5.5.4 - Morph targets 1 frame offset
UE - Editor - Content Pipeline - FBX - Feb 17, 2025Morph targets work! Yay! But found another issue. Basically import an fbx with multiple animated morph targets applied to it. The morph change shape over 1 frame and for some reason in 5.5.4, there' ...
LODBias causes landscape component to stop rendering if set >0 and Forced LOD set to -1
UE - LD & Modeling - Terrain - Landscape - Sep 12, 2016LODBias causes landscape component to stop rendering if set >0 and Forced LOD set to -1. NOTE If Forced LOD is set to 0, the component renders correctly. ...