GPU Particle Freeze in Fullscreen PIE when Combined with Widget Blueprint using any Widget Element

UE - Graphics Features - Jun 27, 2016

Certain particle systems freeze when rendered in Fullscreen mode during PIE with Text Block added within Widget Blueprint. From what I could tell it is the GPU particles that are freezing. Note I n ...

Subtitles don't appear in matinee when scrubbing.

Tools - Sep 9, 2016

When verifying [Link Removed] (GitHub 2762 : Correct subtitle rendering when scrubbing) I found that subtitles will not render while scrubbing the matinee. [Link Removed] has since been closed, but ...

Skeletal Meshes keep reference to unused Material IDs

UE - Editor - Content Pipeline - Import and Export - Sep 7, 2016

When importing a FBX with multiple materials and some of them are unused from their setup, they will still be referenced by the skeletal mesh in the Details Panel in the level editor, but in the Per ...

2 GB/hr Memory Leak on levels that are not enclosed

UE - Graphics Features - Feb 19, 2016

2 GB/hr Memory Leak on maps with no Sky Sphere or Atmospheric Fog to occlude empty space. The leak also occurs during general usage, but was tested with a blank project and an absolutely blank leve ...

Selected option in combo box is not always fully in view

UE - Editor - UI Systems - May 24, 2017

Selected option in combo box is not always fully in view. In the example the selected option (highlighted in yellow) can end up almost completely out of view when navigating through the options of t ...

"showdebug abilitysystem" shows incorrect attribute stats for debug target

UE - Gameplay - Mar 11, 2020

When using 'showdebug abilitysystem' and switching debug target actor with Page Up and Page Down. It will not change to show the debug attributes info for the new target. The debug will still only s ...

[Reverb][Regression] - The Reverb Effect in World Settings Does Not Update When Loading New Levels

UE - Audio - Mar 12, 2021

When loading a new level via the Open Level node in Blueprints, the World Settings do not update the Applied Reverb Effect. When trying to reproduce the issue in 4.25.4, issue did not occur (the r ...

Override Game Mode in Media Render Queue does not work properly

zComponent - Archive - Jun 21, 2021

This problem behaves differently between Local and Remote Render when Game Mode is set in Override. ...

Virtual Bones Are Not Retained in Retargeted Animation Aim Offsets

zComponent - Archive - May 13, 2022

Occurs 5/5 times Virtual Bones are not retained in Retargeted Animation Aim Offset. Regression does not occur as UE5 Manny assets are not available for retargeting before UE5.    ...