Unreal Engine Issues

Child Blueprint Dirties parent when opening

An Actor with a child class component will cause the parent to become dirty by opening the child. Regression: This issue did not occur in 4.14.3 of the binary builds ...

Network profiler tool doesn't handle names with underscores gracefully.

The NetworkProfiler and UI tool assume that ActorNames are in the format <ClassName>_<ActorName>, and is not robust against underscores in either the class name or the actor name. However, given th ...

Blueprint function inputs can now be referenced as variables but renaming the inputs does not update the placed variable instances

Post increment operator is not overridden for data structure iteration

Attempting to use a post increment operator in a TMap or TSet iterator will fail to compile with error shown in callstack field. This is due to the post-increment operator not being overridden in M ...

Remote building for iOS and tvOS does not properly remove files from previous builds causing compile failures

Remote building for iOS/tvOS is leaving behind generated files which can cause various compile issues when creating different projects in different streams with the same name (MyProject, MyProject1, ...

Renaming a material isn't reflected in the Static Mesh Editor until it is closed and reopened

Renaming a material isn't reflected in the Static Mesh Editor until it is closed and reopened. User Description: Let's have imported static mesh with material. Then select material using "Browse t ...

App Cannot be Selected as the Tool for Diffing Text on a Mac

Editor Preferences -> General -> Loading & Saving> Source Control: the "Tool for diffing text" dialog box doesn't let you choose an application, because the file extension is set to .exe (for Windo ...

Hierarchical Instanced Static Mesh Has Color Fill When Selected

Hierarchical Instanced Static Mesh have a fill color when selected. This isn't consistent with how static meshes appear when selected. Normally they only have a colored outline that appears. There i ...

Particle Frequency Not Working As Expected

Particle frequency doesn't appear to have any visible influence on the particle system. You can test this by changing the particle frequency value on the particle system in the attached project. ...

Standalone window goes behind other windows when using a combination of Set fullscreen mode and Apply Resolution settings

Standalone window goes behind other windows when using a combination of Set fullscreen mode and Apply Resolution settings ...