Unreal Engine Issues

Crash trying to rename a checked out umap

Editor crashes when a person renames a umap asset in the Content Browser that is checked out by another person. This doesn't occur if the user has the asset checked out themselves. ...

Nested code component causes ensure in blueprint's child blueprint

When a component class (base) contains a component property (Nested) adding the base component to a blueprint and changing the position of the component will update the base and nested components as ...

Crane doesn't work in a packaged game

Blueprint Diff tool fails to find nodes deleted from an Anim BP and also shows the incorrect State Machine rule

When using the Blueprint Diff tool to diff an Animation Blueprint, it fails to find nodes that have been deleted from a State Machine rule. It also fails to show the correct State Machine rule when ...

Copying values of an array created through C++ does not copy all values

Copying values of an array created through C++ does not copy all values, only the first value is copied over. This is different than an array that is created in blueprints when those are copied they ...

Refresh rate for windowed package builds causes frame stuttering

THere is an issue where the refresh rate of a windowed packaged game does not match the refresh rate of a monitor correctly, this results in stuttering. This issue does not occur in the editor (PIE) ...

Cut/Copy doesn't work on Linux when using the right-click menu

Trying to cut or copy text / references using the options from the right click menu does not actually copy the selection to the clipboard. The right click menu will show the Paste option grayed out ...

Undoing the pasting of a copied node from the Blueprint Diff tools causes an access violation crash

The editor crashes with an Access Violation if a node that was copied and pasted from the Blueprint Diff tools is removed via an undo. Regression?: No This issue also occurred in 4.16 Branches tes ...

Foliage meshes do not appear in high res screenshots after certain amount

When using the Engine's High Res Screenshot tool, there is a limit on the amount of foliage that can be present before the meshes stop appearing. This number is around 1500 meshes, though I was not ...

Level Sequences with EnableCinematicMode set will enable cinematic mode when the sequence actor is spawned, not when the sequence is played.

We've added the option to automatically enable cinematic mode from a level sequence, but the change is made in the sequence actor's BeginPlay. This won't cause problems if the sequence is spawned an ...