PVRTC texture is sampled as white when the uv value is very close to 0

UE - Platform - Mobile - Oct 20, 2021

When the uv value is very close to 0 ( < 0.001 ), the boundary value of the PVRTC texture is sampled as white. please refer to attached images and sample project. problem goes away when changing th ...

[MetaSounds] - Trigger on Threshold node Crashes editor on play when using literal value for threshold

UE - Audio - MetaSounds - Mar 15, 2022

Editor crashes when Trigger on Threshold node is hooked up in a Metasound graph and played using a threshold value defined on the node. If you use an Input node for the Threshold value, the crash do ...

In the Anim Sequence Editor set a Notify's MontageTickType to be fixed to BranchingPoint if that Notify is a Native Branching Point

UE - Anim - Gameplay - Jun 30, 2023

To avoid confusing users when working with a Native Branching Point Notify set its MontageTickType to be fixed to BranchingPoint.  ...

Crash when converting non-WP maps containing landscape with OnlyMergeSubLevels enabled

UE - World Creation - Worldbuilding Tools - World Partition - Jul 21, 2023

When trying to convert a non-WP map with OnlyMergeSubLevels enabled crash after a while ...

Incorrect Lighting With Exponential Height Fog And Light Function Atlas

UE - Graphics Features - Jul 29, 2024

There currently is a mismatch occurring when light function atlases are used in conjunction with exponential height fog. When the flag r.VolumetricFog.UsesLightFunctionAtlas is enabled, light shafts ...

The tooltip of a UPROPERTY enum is not refreshing in UDetailsView

UE - Editor - UI Systems - Oct 15, 2024

There is an issue with UPROPERTY enums where the tooltip does not update as expected. When the DetailViewWidget is refreshed, the tooltips appear correctly. For example, ToggleShowingOnlyAllowedPro ...

On Linux, FBX Import breaks content browser and RMB control in edior

UE - Platform - Linux - May 12, 2015

After importing a FBX and closing the project, upon reopening the content browser does not show any assets and click/holding RMB does not allow camera to pan around. ...

Substance Plugin causes packaged projects on Mac to fail to open

Tools - Jun 17, 2015

If a project is packaged on the Mac while the Substance Plugin is installed, the resulting .app will fail to open. This does not generate a log. ...

German keyboard layout does not recognize the keys ö,ü,^ in editor

Tools - May 12, 2015

ö,ü,^ keys are not recognized on keyboards with a german QWERTZ layout in editor. ...

Blueprint functions with component targets lose component target when copied/pasted

UE - Gameplay - Blueprint - Mar 17, 2015

Functions that are created with specific component targets lose their target when copied/pasted. ...