Unreal Engine Issues

A crash can occur when multiple Actors are spawned/destroyed simultaneously with each one loading an asset.

A crash can occur if multiple Actors are spawned/destroyed simultaneously, with each Actor loading an asset when it is spawned. This does not occur 100% of the time, but it does occur quite frequent ...

TryConvertFilenameToLongPackageName fails to work on plugin assets

Plugin mount point registration doesn't mount paths relative to both root and engine, only relative to root while most other Engine directory mount point registrations include both ../../Content/... ...

Window Switcher does not open and focus on Message Log

The window switcher is not focusing on the message log if it is selected through the window switcher UI. Repro rate is 9/10 - Sometimes, it would switch to the message logs (Update - Laz) This i ...

Crash in K2Node_CallFunction

UK2Node_CallFunction::GeneratePinTooltipFromFunction relies a lot on loops that increment the index used to check the individual characters in the comments. The problem is that there are a few miss ...

Disabling "Should Be Visible" On a Streaming Level Resets Variable Values

When disabling "Should be Visible" of a stream level and then enabling it again, the values of variables in a Blueprint that has been placed in a stream level maintain their value in PIE but reset t ...

Multiple Materials not assigned to Mesh on Import

Not all material elements are created and assigned to the static mesh using multiple materials. With the attached mesh, only the first element is created and the other two are left non-existent. I c ...

Put fix for UE-39713 into 4.14.3 (Memory leak in GPURealloc)

Dropdown selection box jitters when mouse is moved over top of it on Mac

This is a regression as it does not occur in 4.14.3 at CL 3248269 Update chris.wood: I think this might be a wobble caused by floating point errors in SMenuAnchor::Tick() ...

Changing TeleportRotationThreshold or TeleportDistanceThreshold at runtime fails to change teleport settings

USkeletalMeshComponent::USkeletalMeshComponent() caches off the teleport values for later use and then ignores the exposed values entirely. This should not be the case. We either need to detect chan ...

Unable to go fullscreen in Standalone Game

Unable to make the Standalone Game window fullscreen with a console command or with Alt+Enter. This is a regression as this was not an issue in 4.14.2. ...