Unreal Engine Issues

Crash if editing the key properties of a collapsed key that has only 1 channel keyed

Tooltips can be displayed behind some Editor sub-windows on Mac

Using Command-Tab on a Mac to go to another app and then return to the Editor will result in some tooltips being displayed behind Editor sub-windows. ...

A use-after-free issue caused by GPUParticle

All clients return "Client -2:" when using a print string in UMG

All clients return "Client -2:" when using a print string in UMG ...

Set view range scripting functions will not update timeline UI

Using the scripting functions to set the view range of a sequence will not update unless the sequence is re-opened. Usual updates for scripting issues like locking and unlocking the sequence don't w ...

User cannot undo adding/removing a constraint from a constraint profile

User can not undo the adding of a constraint to a constraint profile. You can undo to the point the creation of the profile ...

Mouse control for zooming in UMG Designer is limited comparing to how it works in other Graph editor

Clicking on object causes EndInputTouch to fire on the press instead of the release

When clicking on an object EndInputTouch sometimes fires on the press instead of the release. This was not an issue in 4.19.2 (CL-4033788) and is a regression. However the functionality doesn't appe ...

Shader Complexity does not function properly with Android ES2 or ES3.1 set as the Preview Rendering level

A user has reported that Shader Complexity is not working properly in 4.21 with the Android ES2 or 3.1 preview rendering level settings. Regression?: No It did not look this way in 4.21 and prior v ...

Niagara System Doesn't Update Mesh Renderer If Static Mesh is Changed in the Emitter

The Niagara System doesn't update the mesh renderer If the Static Mesh is changed to an Imported Mesh in the source emitter Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL#  5470758 ...