Post Process AnimBP is no longer initialized in Persona Viewport

OLD - Anim - Jul 20, 2017

Post Process AnimBPs used to be processed in the persona viewport. This could have been intentional. Occurs on? 4.14 - 3249277 - NO 4.15 - 3450819 - YES 4.16 - 3466753 - YES 4.17 - 3545186 - YES ...

Slow response on clicking on InstancedStaticMeshComponent with many elements when using IME

Tools - Aug 7, 2017

When clicking on InstancedStaticMeshComponent with many elements, Editor memory usage increases and editor freezes until the operation is finished. The wait and memory usage get much worse when usin ...

Float RGBA Framebuffer rendering settings changes UI

UE - Editor - UI Systems - Slate - Nov 11, 2019

When changing the rendering Frame Buffer Pixel setting from "10 bit RGB 2 bit alpha" to "Float RGBA".  The Editor's UI will change.  (Please see the attached screenshots for comparison) ...

Regression: Skeletalmeshreproduction node do not show mesh when the mesh is not SK_Mannequin in 4.24

UE - Niagara - Jan 16, 2020

SkeletalMeshReproduction node stopped showing meshes other than SK_Mannequin. ...

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

UE - Foundation - Core - Oct 27, 2020

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

UE - Rendering - Features - Nanite - Jun 25, 2024

Cannot Assign Clothing Asset after creating it

UE - Simulation - Physics - Character - May 12, 2017

Cannot Assign Clothing Asset after creating it ...

NetMulticast and BlueprintCallable C++ functions reportedly have incorrect parameters

UE - Networking - Nov 7, 2014

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

Tools - Feb 22, 2017

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

UE - Rendering - Architecture - RHI - Jul 31, 2019

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