Unreal Engine Issues

Color and Opacity animation option does not play for Button component

Color and Opacity animation option does not play for Button component, this occurs both in the Widget editor and during play. This issue is not a regression Versions Tested: 4.16.3 - CL: 3561208 - ...

[CrashReport] Crash on Mac when running specific cook commandlet

This is a Mac commandlet crash that is experienced by a few external users. ...

Landscape：Shadowmap the landscape casting doesn't match visual mesh after build lighting

BP Component is not destructible if the Object Type is set during runtime

BP Component is not destructible if the Object Type is set during runtime. If the Object Type is set manually before PIE is started, the BP component will destroy correctly. ...

Camera Shakes with Oscillation Blend Out Time do not play for their full duration in Sequencer

Camera shake oscillations with blend out time do not play their full duration in sequencer.  ...

If Skel Mesh Material Element order changes, Cloth assignments stay in the same order

If Skel Mesh Material Element order changes, Clothing assignments stay in the same order. I don't know if there's a way for the editor to interpret the material assignments on import, but this can ...

Lighting on Paper 2D Tile Maps is Broken

In 4.18.3 this feature is working. In 4.19.2 the feature is broken. Per User: Half of the Lights Cone or Sphere will properly interact with the TileMap as intended, the other half will not for wha ...

SpringArmComponent with "Use Camera Lag Substepping" does not handle fluctuating frame rates correctly

The description of SpringArmComponent's "Use Camera Lag Substepping" option says "sub-step camera damping so that it handles fluctuating frame rates well". However, as noted and explained by a licen ...

Networked Root Motion Sources can experience desynchronisation that is not present in animation root motion under forced adjustment

In a networked environment with high packet loss (or high forced adjustment factor), motion applied using Root Motion Sources can desynchronise under conditions that animation root motion does not. ...

Matinee movie recording is broken in 4.10

When trying to record a movie from a matinee in 4.10, it can fail for a number of reasons: 1. The folder does not exist 2. The cinematic view modes do not take effect 3. Trying to record a streamin ...