Unreal Engine Issues

Crash editor when open the level sequencer after updated 4.20

When migrating from the version before 4.20 to the version after 4.20, opening the level sequencer will crash. I think that there is a problem with conversion from SnapTimeInterval (FixedFrameInterv ...

Crash when executing Rename Asset or Duplicate Asset and other functions in Scripted Actions

In Scripted Actions, if you execute a function after using Rename Asset or Duplicate Asset, it will crash. If you do not execute the function it will not crash. ...

Particle memory can be corrupted leading to a crash

Race condition in the late update manager

https://udn.unrealengine.com/questions/476212/race-condition-in-lateupdatemanager.html In short, the trick storing a pointer to the packed index of the primitive does not work as it is simply a p ...

Editing Lighting Intensity Field Value Fails

You cannot change the intensity by just adding/changing numbers. You have to completely retype the entire value. Found in 4.21 CL# 4613538 and 4.22 CL# 4681912 ...

Datasmith error when attempting to package - Error: Ensure condition failed: It->Value File:Engine\Plugins\Enterprise\DatasmithContent\Source\DatasmithContent\Private\DatasmithAssetUserData.cpp

[Feature Request] Mouse-wheel zoom logic seems incorrect in UI Designer

When using the mouse wheel to zoom the Designer view, the behavior is not intuitive. (ZoomLogicDesigner.gif) in the Designer view, place the mouse near the top left corner. Use the mouse wheel to ...

When r.CustomDepth = 3 (Enabled with Stencil), the values of SceneDepth and CustomDepth are different on IOS

The user wants to express using the difference between SceneDepth and CustomDepth. However, when r.CustomDepth = 3 (Enabled with Stencil), the expression can not be realized because the SceneDepth a ...

Migrating a Niagara asset from one project to copies the Niagara plugin assets

Migrating a Niagara asset from one project to copies the Niagara plugin assets. ...

Enabling Merge GC Clusters and Blueprint Clustering causes a packaged Window project to crash

Enabling the check boxes for Merge GC Clusters and Blueprint Clustering causes packaged Windows projects to crash on startup. The log and dump files regarding this crash have been attached to this t ...