Unreal Engine Issues

Frame specific functionality unusable in Composite/Montage editors post 5.2 changes

Part of the changes for 5.2 required UAnimCompositeBase::GetSamplingFrameRate to be changed to return a very high framerate.  This has the unintended consequence of effectively making the functional ...

Light does not affect landscape splines in raster pipeline (non-RT)

Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse

Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse. The spin box appears to increment/decrement by more or less dependi ...

Changing preview mesh appears to affect initial transforms of all control rigs in level viewport

It seems that switching the preview mesh in the control rig editor is affecting the initial transforms in the hiearchies of related control rigs in the level viewport.  This seems to be due to the c ...

Preview weight on Landscape Layer Sample affects Grass Output on landscape disregarding layer info

Preview weight on Landscape Layer Sample affects Grass Output on landscape disregarding layer info Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did NOT occur there ...

Display 1.2 bouncing ball has a typo in the Math Hall of ContentExamples

Just a typo that needs to be fixed. ...

Cooked materials and material instances size have doubled when upgrading from 5.1.0 to 5.2.0

UDN: [Link Removed] A UDN customer has observed that their cooked materials have doubled in asset size going from 5.1 to 5.2. We need to investigate this is only a local issue on their side and no ...

Distances do not match on display 2.6 of the Math_Hall in ContentExamples

This could be a rounding error but if they are both representing the same distance they should match. Maybe truncating a few decimal places and rounding could work. ...

Certain particle effects in ContentExamples pause when looked at on Mac with Metal

Certain particle effects in ContentExamples stop playing when looked at from a specific angle. The affected demos are 2.1, 2.4, 2.5, and 2.7 Seen on an Nvidia MacbookPro and AMD MacPro Does not o ...

Failed to build in Github UE4.27.0.

Failed to build UE4.27.0 with Win64/Development Editor.  Can avoid this error that excluding the project from build configuration. (Solution UE4->Properties->Configuration Properties->Configuratio ...