Unreal Engine Issues

Materials with Subsurface Profile not affected by Opacity value

A material with Shading Model set to Subsurface Profile is no longer affected by Opacity value in 4.17, 4.18, and 4.19 (Main) but was previously working as intended in 4.16. This is a regression. ...

Crash upon launching packaged game with Share Material Shader code enabled

When launching a packaged game that has Share Material Shader Code enabled, the process will crash before opening. Regression?: Yes This issue does not occur in 4.17.2-3658906+++UE4+Release-4.17 Th ...

Crash After cutting and pasting a blend radius track in sequencer

Crash After cutting and pasting a blend radius track in sequencer ...

Hiding level in Levels tab jumps to Details tab if it is docked with Levels tab

When toggling level visibility in the Levels tab and the Details tab is also on the window it will jump over to the Details tab. This was tested with other tabs and when toggling visibility it remai ...

Can't set a value of 0, 0, 320 in the rotation key editor

Missing default Marketing Icon for iOS projects

There is no default image in the Engine for the iOS Marketing Icon. ...

Setting the iOS Marketing Icon results in the icon being displayed at full size and interfering with the ability to scroll through the iOS settings

Setting an image to be used as the Marketing Icon results in the icon being displayed at full size and interferes with the ability to scroll through the full iOS section. ...

Project fails to package nativized const reference parameter

Overriding a BlueprintNativeEvent function with a const reference parameter in blueprints causes the project to fail to package if the blueprint is nativized. Note: This only occurs if the function ...

Enabling For Distribution doesn't set config to Shipping in DefaultGame.ini

After I ran the above steps and then packaged for Windows and iOS (using File > Package in the editor), my resulting executable was Shipping. So far this issue is cosmetic / confusing to the user ...

Unable to bind events to OnPerceptionUpdated in Blueprints

Attempting to bind an event to OnPerceptionUpdated results in an error in Blueprints. It seems that this is caused by the TArray in the function signature not being a constant reference. Current co ...