Unreal Engine Issues
Unreal Engine Issues
Matinee: Animation keyframes cannot be added after opening a new asset editor in the same window
Tools - May 31, 2016When opening a new asset editor in the same window as matinee, the 'Add Key' button for animation tracks will no longer function. This is due to FSlateApplication::ActiveTopLevelWindow being reset a ...
Clicking a Blueprint Window After Entering a Variable Tooltip Discards the Changes
UE - Gameplay - Blueprint Editor - Feb 8, 2017Changes made to a blueprint variable's tooltip are discarded when clicking in the main blueprint viewport (Event Graph, Function Graphs, etc). Clicking in the variable's details panel does save the ...
Linux: SIGTERM handler can deadlock
UE - Platform - Linux - Sep 30, 2016Handling SIGTERM can deadlock because RequestExit() can log stuff. If we happen to be in the malloc at that time of receiving the signal this is going to deadlock the process. In general, we should ...
Landscapes with tessellation only produce shadows when selected
UE - LD & Modeling - Terrain - Landscape - Mar 6, 2019After disabling Static Lighting, shadows only render for Tessellated Landscape when being selected in the World Outliner instead of rendering all of them regardless if it is selected. Tested in 4.2 ...
Crash when using ConstructorHelpers on Niagara assets
UE - Niagara - Apr 10, 2019When using the ConstructorHelpers templated function, FObjectFinder, with Niagara assets, the editor crashes. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5660361), 4.23 (CL - 5806860) ...
Disabling fog in Unlit mode does not work
UE - Graphics Features - Jun 11, 2019The Show Flags for Fog no longer function correctly when in Unlit mode. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6574378), 4.23 (CL - 6925347) ...
UGameplayAbility::ConfirmTaskByInstanceName() has incorrect code comment
UE - Gameplay - Apr 22, 2020UGameplayAbility::ConfirmTaskByInstanceName() has an incorrect code comment that was copied and pasted from UGameplayAbility::CancelAbility(). The comment for UGameplayAbility::ConfirmTaskByInstance ...
UV Rotation does not work for video materials
TM - Rendering - Dec 9, 2024The rotation parameter of video materials does not function in Twinmotion 2024.1.2 and Twinmotion 2025.1 PR. Adjusting the slider does not have any effect. Feature last worked in Twinmotion 2023.2 ...
UGameUserSettings::ValidateSettings fails to wipe GameUserSettings.ini
UE - Framework - Mar 4, 2025When changing the version in UGameUserSettings, the expected behaviour is that GameUserSettings.ini will be wiped/delete and then regenerated. The actual behaviour is that within the ValidateSetting ...