Unreal Engine Issues

Nanite landscape mesh has a significant difference with normal landscape when using large Z scale value

Result : there are significant differences between the generated Nanite mesh and the original landscape mesh (see [Link Removed]) Note : the bug was originally reported on this UDN : [Link Remove ...

Using the end of the curve as a weighted tangent does not yield the expected value.

When changing the tangent value, the last value is sometimes not 1.0 [Reproduce sample project] [Link Removed] ...

CA_VALID_POINTER and CA_CHECK_RETVAL static analysis annotations broken

We had some code using the CA_VALID_POINTER and CA_CHECK_RETVAL annotations which had been working fine up until the 5.3 engine release. In 5.3, we started getting the following compile errors in a ...

Assert when toggling RHIThread

HeterogeneousVolumeComp doesn't render properly using DynamicMaterialInstance created in Construction Script

AbilitySystemComponent::NotifyAbilityEnded Can Crash due to Callbacks Invalidation Specs

Pasting from the UDN: Unsafe code in AbilitySystem can lead to crash when granting an ability inside OnAbilityEnded Hello. We just ran into a crash. After investigation, it seems to be caused by ...

Crash when deleting a folder with children in the Outliner in a large map

We've encountered a crash when trying to delete a folder after renaming one of its' children. I have attached a video and the callstack to this ticket. This might be related to [Link Removed] as the ...

MoviePipeline: DWAA compressed EXRs don't support 32-bit images

MediaPlayer failed to be open on Mac and IOS

Hitting a breakpoint in widget blueprint while running PIE with Selected Viewport mode blocks entire editor rendering

This problem does not occur when running PIE with New Editor Window mode. ...