Unreal Engine Issues

iOS movie become laggy and crashes when played in iPhone 6/6s.

Movie play in iOS is laggy and crashes in some movie. This issue seems to be happening when the movie is played in umg widget. Tested in 4.14.3 4.15 Dev_Mobile Latest as of 2/24 Original UDN post ...

With "Use Default Sample Rate" disabled, animations with 24fps get resampled to 30fps

With "Use Default Sample Rate" disabled, animations under 30fps get resampled to 30fps ...

Gridlines Draw On Top of any sprite or mesh with a Translucent material in an orthographic viewport

When viewing Translucent Sprites or Unlit Translucent assets while in Lit viewmode, the viewport grid always draws on top of the object(s). ...

User project crashes after changing struct

Skeletal mesh collision skewed on mirrored meshes

[Link Removed] Collision on mirrored skeletal mesh does not match mesh. (has same position, but different orientation) Also occurs on latest (3827667) Also tested and occurring with Skeletal Mesh ...

Aperture Value in Lens category of CineCamera has no effect

Aperture Value in Lens category has no effect ...

Extreme hitching when using profile command (stat startfile) + other stat commands

Running the "stat startfile" command in a 4.19 project causes constant editor hitching. Running the same command in a 4.18 project does not produce any hitching by comparison. ...

Showing black screen when drawing Distortion and DOF on Android

[Link Removed]I think it is because that the "bOnChipSunMask " is false as Distortion activated (MobileShadingRenderer.cpp line 378),  the "UseFetch" is true as the Android device support shader fra ...

WMR native plugin trigger axis not working

We are testing the new Windows Mixed Reality native support and have found that the trigger mapping to a button is working, but the trigger mapping to an axis is not, i.e. the event MotionController ...

Enum editor not adding new enum values

Blueprint enumeration editor is not adding new enum values. ...