Linux server builds of 4.24.0 failing due to Text3D plugin's dependencies on FreeType2 and HarfBuzz

UE - Platform - Linux - Jan 31, 2020

The build error is descriptive. FreeType2.Build.cs and HarfBuzz.Build.cs explicitly check if they are being used for a Unix server build and throw exceptions to prevent that. Commenting out those ex ...

Input Key Selector's Set Text Style does not change Text Style when given Text Style Variable

UE - Editor - UI Systems - Feb 6, 2020

Input Key Selector's Set Text Style does not change Text Style when given Text Style Variable ...

BuildGraph build fails if Use Unity Build and Use PCH Files are set to false in BuildConfiguration.xml

UE - Online - Jun 23, 2017

Using BuildGraph to create a local binary build of the engine fails if the BuildConfiguration.xml file has bUseUnityBuild and bUsePCHFiles both set to false. The build fails due to some missing Json ...

Get Material Instance ___ Parameter Value not working for Blend Parameter

UE - Rendering - Architecture - Materials - Dec 2, 2022

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

Inaccurate motion vectors when using different position binding in renderer

UE - Rendering - Architecture - Niagara - Jul 27, 2023

Even though the particles are not moving, and the velocity is zero, the output motion vectors are non-zero. This seems to only happen if using two sources of particle positions.  ...

Error Saving Project When Adding an "InstancedStaticMeshComponent" to A Static Mesh Actor Blueprint

UE - Gameplay - Blueprint - Mar 8, 2016

When trying to Save a Project after Adding an "InstancedStaticMeshComponent" to A Static Mesh Actor Blueprint, user experiences an Error Message: “…Graph is linked to private object(s) in an extern ...

Widget "Listen For Input Action" executes on unexpected input event

UE - Editor - UI Systems - Feb 19, 2020

Listen For Input Action firing erroneously. Confirmed in 4.26 MAIN @ CL 11536993 ...

Crash Occurring in Standalone When a Loaded Sub Level Contains an Actor With a Child Actor Component

UE - Gameplay - Nov 30, 2016

Standalone is crashing when a map containing a sub level that has an actor containing a child actor component is streamed in, or if the level is set to be always loaded. To be clear, this is not c ...

Editing an array config property via ProjectSettings can end up editing other platform config properties.

UE - Core - Systems - May 27, 2024

Platforms .ini config files can end up with incorrect data, due to how ProjectSettings manages the config data. On a Windows machine, if we open the ProjectSettings window, all the data is going to ...