Unreal Engine Issues

Performance concerns with control rig component initialization

Report from a licensee that InitializeControlRigComponent using CR_Frame_Destructible in city sample is taking a lot of frame time.  It seems that a lot of time is being spent hashing and also URigV ...

Failed to compile C++ Code project, for iOS/tvOS in Development, in Xcode 8.3 beta 1

Project fails to build for iOS/tvOS due to:error: non-portable path to file errors. ...

Landscape material doesn't show correctly on ES3.1 if Landscape layer blend was implemented by using in Material function

Open the project attached to see the issue ...

After Seamless Server Travel, the Client cannot move the character or see the Server character

After Seamless Server Travel, the Client cannot move the character or see the Server character. On the Server, the Client character appears to be falling in place. Tested in both first and third per ...

Color changing through material parameter collection in a emissive material will not affect lightmap baking, unless recompile the material.

Deleting a spline point of a spline blueprint then moving crashes editor

If you delete an end point of a spline blueprint and then attempt to move the blueprint the editor will freeze and eventually crash. Frequency: 1/1 CrashReporter: [Link Removed] ...

Multiple Post Processing displays are not working in Content Examples - Post Processing

While going through a GPU pass, film setting in post processing isn't working as expected. This does not seem to be GPU specific The displays should resemble the images in the documentation - PPE ...

Virtual Bones Are Not Retained in Retargeted Animation Aim Offsets

Occurs 5/5 times Virtual Bones are not retained in Retargeted Animation Aim Offset. Regression does not occur as UE5 Manny assets are not available for retargeting before UE5.    ...

[Sound Submix] - Dry Level of a Submix is calculated differently whether or not there is an effect in the chain

There is a discrepancy is how the output volume of a submix is calculated when the effect chain is and is not populated. When there is no effect on the submix, the Dry Level adds additional gain to ...

Inaccurate updates to root widget visibility binding

Inaccurate updates to root widget visibility binding, so far in my testing, this does not affect the functionality of the binding. Regression: affects 4.13.2, 4.14.3, 4.15.1 binary versions ...