Unreal Engine Issues

Images Rendered by Movie Render Queue don't match the looking in viewport if After Tonemapping PP was applied

This might be a bug or by design which needs to be handle by certain pipeline (OCIO?), but it's quite confuse that such big difference compare the images rendered by MRQ to those seen in Editor view ...

Images Rendered out by Movie Render Queue has much more visible Banding issue in gradient

I did some experiment locally. At very first I thought it's the image compression issue, since the issue is also obvious while rendered out images as JPG and PNG, there's no image compression qualit ...

Curve interpolation settings are forced to change from User to Break when importing animation from FBX in Sequencer

Due to the following code in [Link Removed] (CL-11585172), it is always set to Break even if the Tangent value is continuous. ArriveTangent = LeftTangent * (ArriveTimeDiff); ... LeaveTangent = Ri ...

Tangent is divided twice by Decimal Rate when importing animation from FBX in Sequencer

The cause is that the ImportFBXProperty in MovieSceneToolHelpers.cpp is divided by DecimalRate. ArriveTangent = ArriveTangent / ((Key.Time - PrevKey.Time) * DecimalRate); LeaveTangent = LeaveTange ...

The CVar r.MeshStreaming doesn't influence the DDCKey of staticmesh, but it does for skeletalmesh DDCKey.

Binding Input Actions to Shift+F results in no input being detected

From my testing, it appears that Shift+F is not detected by the editor. If you map the input action to either F or Ctrl+F, they both work correctly, so it seems specific to the Shift+F keyboard comb ...

Compiling a Blueprint class resets the actor label in the World Outliner for all instances of that class.

Any instances of a Blueprint class that were given a custom label in the World Outliner will have their labels reset to the object instance name whenever that Blueprint class is recompiled. The lab ...

Using "Windows + Up Arrow" does not work before clicking window or change inputmode to UI or GameAndUI

"Win and Up Arrow" is shortcut for changing to fullscreen mode, but it does not work properly before clicking window or change input mode to UI or GameAndUI. probably, Win API caused this issue, an ...

AbilityAsync objects do not have proper EndAction support

UAbilityAsync objects do not properly support a way to EndAction like a UAbilityTask. ...

Instanced subobject property values nested inside struct members are copied from default data at object initialization time, possibly leading to an EDL error at runtime.

When initializing struct members from default data at UObject initialization time, we are currently copying struct properties that contain instanced subobjects from the default data. This can potent ...