Eyeball appears opaque on project launch

UE - Graphics Features - Feb 21, 2023

DX12/SM6 Sampler Counts increased for empty materials between 5.1 and 5.2

UE - Rendering - Architecture - Materials - May 19, 2023

While not a major issue in and of itself, this can cause considerable headaches for materials where sampler counts in 5.1 were at 15/16 or 16/16 and when upgrading to 5.2 are now exceeding the built ...

Material previews in the content browser display the default material checkerboard

UE - Rendering - Architecture - Materials - Nov 16, 2023

Occasionally material and material functions previews in the content browser are displayed with the default material checkerboard, perhaps due to shaders not being compiled. UDN users are also expe ...

Crashing when toggling maps containing Color Correct Regions

UE - Virtual Production - Rendering - Color - Nov 19, 2024

When maps with Color Correct Regions are streamed into another map have their visibility toggled during runtime, it will cause a memory access violation and crash the editor. ...

Landscape component's LODBias settings is ineffective

UE - Graphics Tools - Terrain - Landscape - Jan 7, 2025

[Image Removed] Jira Bot attaches conversation thread from Slack [Image Removed]Ryan Bickell – 2025-01-07 10:54:10 UTC Hello and happy new year! I'm messing with the Landscape component LODBias sett ...

[Interchange][FBX] Bone orientation is different between legacy and interchange import with the ForceFrontXAxis

UE - Editor - Content Pipeline - Import and Export - Jan 16, 2025

When importing FBX files using the Interchange and legacy import with Force Front X Axis enabled, the transforms of the bones in the imported FBX models will not match. ...

Editor FPS has significant drop when moving a BSP brush in level with multiple BSPs

UE - AI - Navigation - Jan 8, 2025

Editor performance plummets when moving BSP brushes in a level with several other BSP brushes present. Navmesh regeneration is the main cause as the full bounds for all BSP are used to determine whi ...

Rotated RetainerWidget does not account for rotation during hit testing

UE - Editor - UI Systems - Jan 21, 2026

Hit testing for widgets contained within a RetainerWidget does not correctly account for rotation applied via render transforms . While the content renders with the expected rotation, hover and clic ...

GameplayTags meta "Categories" return warning when all categories are not present inside the FGameplayTagContainer

UE - Gameplay - Gameplay Tags - Jan 12, 2026

Categories are not processed correctly for gameplay tags when meta "Categories" is used. Categories filter which categories appear for the mentioned gameplay tag variable and with recent changes, it ...

Crash when applying force on event tick to DM

UE - Simulation - Physics - Destruction - Jun 19, 2015

When using a DM and applying force via blueprints with event tick will cause a crash. Workaround: Using a timer instead will not cause any crash even with very low values. Crashreporter: [Link Re ...