Artefacts with Volumetric Clouds

UE - Rendering - Features - Nov 2, 2022

(Enduring Games) Please see UDN - Case includes project and potential fix from customer. Need to verify that it does not affect other parts of the volumetric composition. bHasValidSamples is the sam ...

No deprecation message with component bound event nodes

UE - Framework - Blueprint Editor - Aug 21, 2023

It appears that only custom event nodes support a deprecation message. In fact, we need all nodes that use delegates in some fashion to support a custom deprecation message. Both UK2Node_ActorBoundE ...

[CrashReport][Crash] crash at exit due to pending perforce background tasks

UE - Editor - Jul 16, 2024

Users affected: 440 Total occurrences: 672 Last occurrence: July 16th 2024, 2:40:01 pm First occurrence: December 31st 2023, 1:47:28 pm Latest version: ++UE5+Release-5.3-CL-29314046 Platform: Win64 ...

A Geometry Collection with Removal-On-Break, after breaking and shrinking until vanished, will reset to the original state (full-size and unbroken) if we toggle between Fullscreen and Windowed while playing as standalone or Packaged Build.

UE - Runtime - Deformable - Oct 28, 2024

A Geometry Collection with Removal-On-Break, after breaking and shrinking until vanished, will reset to the original state (full-size and unbroken) if we toggle between Fullscreen and Windowed while ...

Runtime Virtual Texture rendering can allocate more FRDGBuffers than expected

UE - Rendering - Architecture - Dec 10, 2024

When rendering runtime virtual texture pages without throttling (when r.VT.MaxUploadsPerFrame is high or during Movie RenderQueue captures) the number of FRDGBuffers allocated by the Render Graph Bu ...

Skeletal Meshes with imported LODs will use the highest LOD when generating Nanite, rather than LOD0

UE - Rendering - Features - Nanite - Jan 14, 2025

In the SkeletalMeshBuilder, Nanite is generated when enabled regardless of the LOD being requested. Since the Nanite enablement parameter is set on all LODs in USkeletalMesh::BuildLODModel and LODs ...

Invalid DumpGPU capture when ProjectDisplayedTitle contains special utf8 chars

UE - Rendering - Features - Mar 7, 2025

Placing a special UTF-8 character into the "ProjectDisplayedTitle" will result in GPU dumps failing to open. This appears to be because the dump will switch between us-ascii and UTF-16 file formats ...

FDateTime instances are reset to default on hot reload

UE - Gameplay - Blueprint - May 31, 2017

If an FDateTime variable is created in code and has a default value set in blueprints, any instance that is set to the blueprint default value changes to the code default on hot reload. This includ ...

Weird grey bar renders on disabled planar reflections

UE - Graphics Features - Jul 11, 2017

NOTE This is best seen if you are in a mobile Preview Rendering Level There is some rendering defect that can be seen as the camera moves around the Planar Reflection area. You can also see some ...

Typing "Print S" in Blueprint Graph Context Menu returns wrong result

UE - Gameplay - Blueprint Editor - Jul 17, 2017

Typing "Print S" in Blueprint Graph Context Menu returns a result that does not contain the letters "Print S" this issue persists is you add another s after (Print ss). The search should display som ...