UMG property binding fixup for real numbers doesn't always work

UE - Editor - UI Systems - UMG - Apr 5, 2022

For UMG delegates, we currently have a fixup pass that ensures that bound functions match the signature of the native delegate. However, the fixup appears to use the wrong function name, which cause ...

Rifles are offset in Display 1.15 when opening Content Examples Animation map

UE - Gameplay - Oct 28, 2016

REGRESSION: YesWORKING: 3172292 (4.13.2)BROKEN: 3177600 (4.14) In the Content Examples Animation level, at Display 1.15, the rifles are offset from the character's hands for two of the skeletal mes ...

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 ...

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 - Graphics 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. ...

[Standalone Installer] The binaries for Mac are missing

UE - Editor - Content Pipeline - Datasmith - Installers - Mar 1, 2022