Unreal Engine Issues

Iterative cook does not cook only changed content in Binary UnrealFrontend

This is not a regression as it occurs in 4.14.3. Also this did not occur in a source build of UFE from Github. Excerpt from the logs:UE4Editor-Cmd: [2017.02.07-18.58.10:328][ 0]LogCook:Display: ...

Split Struct nodes do not update if the struct variable is changed

If a struct variable inside a blueprint has its node split, changing the variable form one struct to another does not update the split pin. Recombining / resplitting the struct has no affect. Work ...

[CrashReport] Assertion failed: FPlatformOpenGLDevice::FPlatformOpenGLDevice

Comments from users:tried with -opengl4tried to start with -force-opengl instead of -opengltried to run in opengl modetried to run in opengl mode due to DX11 feature level 10.0 error. (DirectX is in ...

Widget components set as IsVariable have non-functional settings/variables

There is an issue occurring where Widget components set as IsVariable have non-functional settings/variables. This issue occurs with multiple widget components. This does not appear to be a regressi ...

Gameplay Debugger doesn't work in ShooterGame when "Run Dedicated Server" is checked

The Gameplay Debugger does not function in ShooterGame when "Run Dedicated Server" is checked. This issue only affects ShooterGame and works as expected in a Blank project or if "Run Dedicated Serve ...

Video length indicator no longer works

Reported in SF [Link Removed] In videos containing multiple parts, the cumulative time indicator that shows the full length of the video no longer works correctly and will incorrectly display a len ...

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5974510 ...

Disabling LQ lightmaps causes crash on mobile preview

Landscape Visibility Tool crashes editor

Editor crashes when landscape visibility tool is used on landscape. Frequency: 2/2 Crash Reporter: [Link Removed] ...

Eye Shading Model renders Emissive unexpectedly when using a FloatRGBA scene format

This appears to be caused by the colour format. It only occurs when the scene format has an alpha channel. FloatRGB (format 3) doesn’t exhibit these issues. Unfortunately, format 4 is the default fo ...