Unreal Engine Issues

Random Sequence Player has a first Pop in animation during Play In editor

It seems that the first time an animation is played, the character pop into place. ...

Dynamic input scripts crash when removing IF node's Pin and recreating it

This seems to happen with other NiagaraScript. According to Licensee, when this operation is done, it seems that the ID of the parameter is incorrect. ...

UAT output does not print to the Output Log on Linux

None of the logging that is created when packaging a project appears in the Output Log. The following output, for example, does show up in the terminal window but it does not show up in the output ...

Constant interpolation in animation curve points appears to prevent material updates after hitting apply

When changing the key interpolation of a material curve in an animation to constant it appears to break the updating of the material after the changes are applied. Until the changes are applied it a ...

Fix forwarding of dedicated flag and number of players when running a functional test

As described in the UDN question, some settings aren't forwarded correctly to the game instance in PIE during a functional test. Proposed patch attached. ...

Folders beginning with two periods are incorrectly collapsed by FPaths::CollapseRelativeDirectories

The Function FPaths::CollapseRelativeDirectories assumes that any instance of the characters "/.." are a relative path to the parent directory, and removes them along with the preceding directory. H ...

GetPackageLengthForCooking can be much larger than the actual file path length

If the file path with the asset contains a project name, the cooking file pathlength is incorrectly increased. The following code in ContentBrowserUtils :: GetPackageLengthForCooking causes this is ...

Get D3D12 RHI compiling on strict mode

Dithered LOD Transition does not work on some mobile devices

I tested with some mobile devices and Dithered LOD Transition did not work on Huawei P20 Pro. This problem does not occur with Snapdragon. This problem does not occur with Snapdragon like Pixel 3. ...

UAnimSequenceBase::GetNumberOfFrames off by 1

Creating a montage from a default frame rate and rate scale sequence reports 1 less frame than the sequence. The difference is a result of UAnimSequence overriding UAnimSequenceBase::GetNumberOfFram ...