Properties not converting when using Core Redirects from BP to C++ class

UE - CoreTech - UObject - Mar 15, 2021

Note: I also tried with different variables names and property redirects. It's also hits and misses.  I tried with a bool and an integer. Only the integer will convert but not for all instances.. ...

incorrect virtual texture shader code(in FinalizeVirtualTextureFeedback) on Mobile forward platform

UE - Graphics Features - Mar 15, 2021

in the function FinalizeVirtualTextureFeedback, the micro "USE_DBUFFER && MATERIALDECALRESPONSEMASK" returns true on mobile forward, while there is no DBUFFER on Mobile forward obviously. This takes ...

IOStore : Packaged game crashes when doing garbage collection right after cancelling async loading by UnloadPrimaryAssetList

UE - Foundation - Core - RuntimeLoader - Mar 15, 2021

Packaged game without IOStore never hits this error. ...

Tagged binding exists after deleting object binding in sequence

UE - Anim - Sequencer - Mar 12, 2021

Tagged bindings aren't deleted when their object binding is deleted in the sequence.  ...

Reimporting SkeletalMesh with LODs generated via reduction tool crashes when reduction plugin is disabled

UE - Editor - Content Pipeline - Import and Export - Mar 12, 2021

When reimporting a Skeletal Mesh that has LODs generated via the reduction tool, the editor will crash if the Skeletal Mesh Simplifier plugin is disabled. This issue was originally reported on th ...

Renaming Renderer in Parent Emitter breaks name in Child Emitter

UE - Niagara - Mar 12, 2021

Renaming a renderer in a parent emitter reverts the name of the renderer in the child emitter.  ...

[Reverb][Regression] - The Reverb Effect in World Settings Does Not Update When Loading New Levels

UE - Audio - Mar 12, 2021

When loading a new level via the Open Level node in Blueprints, the World Settings do not update the Applied Reverb Effect. When trying to reproduce the issue in 4.25.4, issue did not occur (the r ...

Niagara Component can crash if ticked with a null tick function

UE - Niagara - Mar 12, 2021

Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...

Renaming a folder removes empty sub folders

UE - Editor - Content Pipeline - Content Browser - Mar 11, 2021

When renaming a folder with empty folders inside of it, the empty folders are removed.   This issue is occurring in Perforce //UE5/Main @ CL 15655697 This issue is occurring in Perforce //UE4/Ma ...

Precompile occurs in Niagara when Standalone is started, increasing load time.

UE - Niagara - Mar 11, 2021

In 4.26.1, if you remove the collision module from NiagaraSystem, the Precompile will not occur. ...