Conflicting FName for components freezes the editor with no warning

UE - Foundation - Core - Jun 24, 2015

If two code components have the same TEXT("") name in the CreateDefaultSubobject call the code will compile correctly but the editor will freeze when adding an instance of the class or classBP to th ...

Refraction not calculated when using Material Property Overrides Blend Mode

UE - Graphics Features - Sep 10, 2015

Found in the process of replicating the linked Answerhub. When an opaque material is setup as a master material with the intent to have an Opaque and Translucent version, the material instance will ...

Non-Local Players Cannot Hear Opponents Footsteps in Shooter Game

Docs - Samples - Dec 31, 2015

Non local players cannot hear opponents footsteps and other various notifies, however, other sounds such as gunfire, etc. are present. Regression: User reports this issue is not present in the 4.8 ...

animations played on server skip every second frame

UE - Networking - Jul 24, 2015

Animations played on server skip every second frame. *See attached image. ...

Crash when loading old data after changing type of Map Value to related type

UE - Gameplay - Blueprint - Jul 17, 2017

There is a crash when changing the value type of a MapProperty to something else that provides a ConvertFromType handler. The backward compatible loading code is not correct for map properties and e ...

Cannot package a Client version of a project in UFE when using VS 2017

Media Framework - May 16, 2018

Trying to package a Client version of a project using Visual Studio 2017 currently fails. Packaging a Client version of a project using Visual Studio 2015 completes successfully. Alternate Steps to ...

CSM receiver culling issue on Mobile

UE - Platform - Mobile - Apr 27, 2019

Importing camera FBX into subsequence loses focal length

UE - Anim - Sequencer - Mar 27, 2020

Importing a camera FBX into a sub sequence will not copy focal length animation.  ...

Volumetric Material not compiling on Niagara Mesh Renderer

UE - Niagara - Sep 1, 2020

The Volumetric Shader seems broken when used along the Niagara Mesh Renderer. Reported and tested in version 4.25.3(CL 13942748). Tested with same result in version 4.24.3(CL 11590370). ...

Runtime float curves not applied in inherited blueprints

UE - Framework - Blueprint Runtime - Mar 13, 2023