Force Feedback is weaker on Linux when compared to Windows

UE - Platform - Linux - Jun 4, 2019

Force Feedback Effects vibrate weaker on Linux when compared to Windows in the same test project. This was reported and tested on 4.22.2 (CL-6574378). This was reproduced on 4.21.2 (CL-4753647) and ...

Motion Blur Applied Incorrectly in Ortho SceneCapture2D

UE - Graphics Features - Jul 5, 2019

Motion Blur is applied incorrectly in a SceneCapture2D set to orthographic perspective. Works as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 CL# 7208101, and 4.24 CL# 7223946 Thi ...

Incorrect data type in FDumpFPSChartToEndpoint::DumpChart()

UE - Foundation - Core - Jul 11, 2019

The TotalTime variable in the FDumpFPSChartToEndpoint::DumpChart() function has recently been changed to int32 when it should be double. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 ...

Static Mesh flicker in Player Collision Viewmode

UE - Graphics Features - Aug 8, 2019

All UCX_geometry that have bounds larger than its geometry flicker when in Player Collision Viewmode. Tested in: 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P5(CL - 7838574), 4.24 (CL - 786 ...

Ray Traced Ambient Occlusion Uses Resources Even if AO Intensity is 0

UE - Graphics Features - Lumen - Aug 22, 2019

Ray traced Ambient Occlusion is still active even when Ambient Occlusion Intensity is set to 0 in the Post Process Volume. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8124506 ...

Attachment rules in Level Sequencer are broken

UE - Anim - Sequencer - Oct 2, 2019

The Attach track attachment rules seems to have no effect when selecting "Snap to Target" and playing the sequence. This was reported and tested in 4.23 (CL-8386587). This was reproduced in 4.22.3 ...

Flickering artifacts are rendered when using Sky Atmosphere Component with Vulkan

UE - Rendering - Architecture - RHI - Jul 16, 2020

Rendering the SkyAtmopshere component using Vulkan with and without Vulkan (SM5) enabled causes artifacts to appear on screen on Windows and Linux.  This was reported and tested in 4.25.1 (CL-135 ...

Engine freezes when Level Sequence format is in seconds

zComponent - Archive - May 22, 2023

When using the jumpbox with a sequence that is in seconds (not fps) the engine will freeze. This issue is occurring in Binary //UE5/Release-5.2 @ CL 25360045 This issue is occurring in Binary //UE ...

Within Water Body Custom setting the Water Mesh Override to a Nanite mesh causes a crash

UE - Graphics Tools - Terrain - Water - Jun 28, 2023

This is not a regression. Tested //UE5/Release-5.1 CL23901901 Within Water Body Custom setting the Water Mesh Override to a Nanite mesh causes a crash. This seems to be the case with any Nanite ena ...

Regression: FGameplayTag and FGameplayTagContainer pin value modification is not undo/redoable

For nodes with an FGameplayTag or FGameplayTagContainer pin, when changing the tag value (Pin->DefaultValue) and triggering Undo/Redo, the pin modification is not undone. Rather, it undoes the previ ...