Unreal Engine Issues
Unreal Engine Issues
Post Process AnimBP is no longer initialized in Persona Viewport
OLD - Anim - Jul 20, 2017Post 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, 2017When 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, 2020REGRESSION: 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, 2024Cannot Assign Clothing Asset after creating it
UE - Simulation - Physics - Character - May 12, 2017Cannot Assign Clothing Asset after creating it ...
NetMulticast and BlueprintCallable C++ functions reportedly have incorrect parameters
UE - Networking - Nov 7, 2014Bug 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, 2017Here'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, 2019Vulkan 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[AI] SmartObjectSlot does not have a valid node ref even when it should project to navigation.
UE - AI - SmartObject - May 17, 2025If you request a SmartObject slot entrance location and require it to be navigable, it will return a result that does not include the node ref of the nav poly for the entrance to the slot. Instead i ...