Unreal Engine Issues

EditCondition doesn't work on C-arrays

Toggling a bool doesn't enable/disable the elements of the array similarly to how it does for TArray in the details panel. Static arrays should have the same semantics as TArray with regards to edit ...

FBX from DAZ Studio import with errors since 4.7.0

Skeletal or Static Meshes exported from DAZ Studio as 2014 FBXs import with errors since 4.7. The same mesh in 4.6.1 imported without perceived errors. [Image Removed] Attached Files: DAZ_Test.fb ...

Hitching when scrubbing values inside of color picker in binary builds

Large hitching is occurring when click dragging inside the color wheel of the color picker or scrubbing RGB, HSV, and Value/Saturation sliders. I am only able to repro this issue in Binary builds. ...

DX12 crash by lost device while building PSO

It seems to be occurred when exiting fullscreen exclusive mode during the PSO build. And it seems to happen during the loading screen as well as the PSO build. What I suspect is that when focus los ...

ComponentInstancingData lacks support for FMapProperty

Map and set container value overrides will be lost in a cooked build for any Blueprint component that's dynamically instanced in a cooked build if the owning Actor class enables the optimized compon ...

Source control commandlets do not consistently check provider status for read only or checkout and instead rely on read only state of files

Delay Node not persisting through Concatenator Node in Sound Cue Editor

Sound Waves do not continue to play when using a delay node before a Concatenator. I tested this issue in the binary releases of 4.9.2 and 4.10.4 and it did not occur in either version. ...

[CrashReport] UE4Editor_Landscape!FLandscapeEditDataInterface::SetAlphaData() [landscapeeditinterface.cpp:2617]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

Crash moving a spline point after making it the root component of a blueprint

Editor is crashing when attempting to move a spline point after making it the root component of the blueprint ...

Pick Parent Class window for new blueprints does not properly list available classes on Linux

When opening the Pick Parent Class window on Linux, the expansion arrow next to All Classes does not properly extend to show all classes. Workaround: After clicking the arrow to extend the drop dow ...