Unreal Engine Issues

Latent Actions do not execute if the blueprint name contains non-english characters

REGRESSION: Issue started occurring with 4.25.4 Blueprints with non-English characters in their name will not trigger latent actions. The following warning appears in the log in this case: LogScr ...

Nanite compute materials don't work with VolumetricLightmap

Cannot Assign Clothing Asset after creating it

Cannot Assign Clothing Asset after creating it ...

NetMulticast and BlueprintCallable C++ functions reportedly have incorrect parameters

Bug report from AnswerHub. Need to figure out why C++ functions tagged NetMulticast and BlueprintCallable send the wrong paramters to some clients. ...

Importing skeletal mesh with LODs and uniform scaling results in multiplicative scale per additional LOD

Here's a quick chart showing the current multiplicative pyramid style scaling that's occurring.Import ScalingLOD0LOD1LOD2LOD32.0248160.50.50.250.1250.06255.0525125625 ...

4.22.1 Crash in FVulkanResourceMultiBuffer::Lock

Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...

[Standalone Installer] The binaries for Mac are missing

JobObject appears to break /ZI pdb compiles

It seems that the [Link Removed] UBT creates to ensure any child processes are terminated on close is somehow affecting the mspdbsrv process that cl is spawning and terminating it when cl is finishe ...

[AI] SmartObjectSlot does not have a valid node ref even when it should project to navigation.

If you request a SmartObject slot entrance location and require it to be navigable, it will return a result that does not include the node ref of the nav poly for the entrance to the slot. Instead i ...

Compiling on Mac fails if build path has spaces

UPDATE: We were able to get around this issue by renaming our external drives. The actual problem is that Mono's xbuild fails to build UnrealBuildTool QA REGRESSION: YesWORKING: 2386770BROKEN: 23 ...