Unreal Engine Issues

Datasmith re-import crash - UE4Editor-UnrealEd!UMaterialInstanceConstantFactoryNew::FactoryCreateNew

From user:I'm getting repeatable crashes on re-imports after I've re-worked the models a bit in Max. The workaround now is to just delete everything from Unreal and do a fresh import, but as my o ...

Material accuracy on iPhoneX is significantly inferior compared to iPhone 7

The accuracy of World Position and Camera Position in Material on iPhoneX is very inferior to iPhone 7. If you enable UseFullPrecision the result will be the same. ...

Separate Translucency does not work properly on iOS when DepthFade and DoF are used

Effects using translucent materials using Mobile Separate Tranclucency and DepthFade do not display properly if DoF is enabled. By applying CL # 4558661 shared by [Link Removed], Android works norm ...

WorldSettings Blueprint crashes editor when saved/compiled

Making a Blueprint instance of the AWorldSettings class, then saving/compiling instance Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 4958363) ...

Crash in Debug Camera (patch provided in comment !)

Hello, A licensee has reported us a crash in DebugCameraController / DebugCameraHUD.  It is due to a missing check in ADebugCameraHUD::PostRender() of SelectedActor set in ADebugCameraController ...

Scale by Safe zone setting for Scale box does not scale children as expected

Children of a scale box that is set to Scale by safe zone do not appear to scale as expected. ...

Send Console commands on tvOS

Hot reload can no longer be performed after adding an empty class to a Blueprint-only project

Adding an empty code class to a Blueprint-only project prevents the project from being able to perform any hot reloads. When clicking the Compile button in the Editor, a warning is added to the log ...

OnAudioPlaybackPercent doesn't work after restarting the project

Using the OnAudioPlayback event in Blueprints does not work when playing the audio component its connected to while PIE, after restarting the project. Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL ...

Data Table Reimport - No popup to specify source file

Selecting Reimport on a DataTable created in editor no longer triggers selection popup. "The change in behavior seems to be related to changes to UReimportDataTableFactory::CanReimport() which now ...