Unreal Engine Issues
Unreal Engine Issues
EditMode(MeshEditing): Faces deleted or flipped revert to original when relaunching editor
OLD - Enterprise - Jul 9, 2018Faces deleted or flipped with Static Mesh Viewer EditMode revert to original when relaunching editor. Datasmith Beta Version 1.0 (as listed in plugins viewer) ...
Display error when removing foliage instances in standalone or built game
UE - World Creation - Worldbuilding Tools - Foliage - Feb 12, 2018This bug has different behavior depending on the engine version. When tested in 4.19 Preview 4, the 1M_Cube meshes do not render in the standalone/built game. In 4.20, the meshes render but some m ...
Previewing Node in Material Editor Produces Unexpected Output with DX12
UE - Graphics Features - May 16, 2018Per Licensee: Since we switched to DX12 we started to see strange behavior in material previews. I was able to reproduce the problem in UE 4.19 vanilla as well. We usually have to force recompilin ...
Variables not labeled as Editable will not update with branch
UE - Gameplay - Blueprint - May 9, 2017Variables not labeled as Editable will not update with a branch node inside of the construction script. Variables behave as expected when not connected to the branch node. This issue was tested with ...
Opening Sequencer from "Window" toolbar option opens an empty window
UE - Anim - Sequencer - Apr 1, 2016After enabling the Sequencer plugin, opening Sequencer from the Window toolbar option brings up an empty window that cannot be interacted with. Is this a regression: No - Issue occurred in 4.10.4 a ...
Water is missing or appears in wrong places due to incorrectly rendered WaterInfoTexture.
UE - Rendering - Graphics Features - Jun 16, 2025Water is missing, appears in strange blocks, or appears in wrong places due to incorrectly rendered WaterInfoTexture. The WaterInfoTexture is part of the WaterZone actor. ...
UDN Bug: ASTC compression becomes greyscale
UE - Anim - Mutable - Feb 13, 2025Bug reported at https://udn.unrealengine.com/s/question/0D5QP00000tOpXN0A0/using-mutable-plugin-results-in-greyscale-textures-on-android-xr?fromCase=1 ...
Text moves slightly in UMG when zooming in and out in the designer tab
UE - Editor - UI Systems - Jul 20, 2015Text block appears to move slightly when zooming in and out of the designer tab in UMG. The right side of the text's position is not consistent when compared to other widgets (such as the image widg ...
Linux client and listen server hangs on GameThread when decoding voice chat
UE - Networking - Sep 16, 2016The ShooterGame client on Linux stops responding when the Windows host presses the Push to Talk hotkey and speaks into the mic to activate VOIP. [2016.09.16-19.09.24:159][575]LogCore:Error: Hang de ...
Player/Visibility Collision Doesn't Work with InstancedStaticMesh
UE - Simulation - Physics - Jul 24, 2018Player/Visibility Collision doesn't work with InstancedStaticMesh or HierarchiInstancedStaticMesh components. Found in 4.19 CL# 4033788, 4.20 CL# 4212847, 4.21 CL# 4221482 ...