Unreal Engine Issues
Unreal Engine Issues
Material Layers "swap" location instead of shift downwards.
UE - Rendering Architecture - Materials - Oct 17, 2023Licensee request for this as it is affecting productivity. Likely requires a method of allowing a user to choose which behaviour they prefer. For reference, the behaviour changed in CL 11684461 to f ...
Material does not render correctly when launched with Cook on the fly
UE - Rendering Architecture - Shaders - Nov 8, 2021This issue seems to occur when using Cook on the fly on a Material that is branched on the Static switch. This issue also seems to occur on the console. Regression = Yes, issue is not reproduced // ...
Screen space reflections are flickering when using no Anti Aliasing
UE - Graphics Features - May 20, 2020This is a regression from 4.24.3 (CL-11590370). SSR begins to flickers when AA is disabled when moving around the scene. This was reported and tested in 4.25 (CL-13144385) and reproduced in Main 4. ...
Starter content won't appear if created new C++ project with the same name as a deleted C++ project
UE - Editor - Workflow Systems - Dec 14, 2021Created a C++ project with starter content and then deleting the project and making another C++ project with starter content with the project name the same as the previous project causes starter con ...
Improper include generated when C++ class is in a subdirectory
UE - Editor - Workflow Systems - Jun 7, 2022This is not a regression from 4.27.2, however, a similar issue was fixed in 4.26. Generating a C++ class that is in a subdirectory generates the #include "Subdirectory/Class.h" instead of #include ...
[Audio Analysis][Ensure] - Sound Submix Spectral Analyzer Delegate Throws Ensure when Analysis Started Before the Delegate is Added
UE - Audio - Nov 25, 2021Hit the following Ensure when trying to use the Spectrum Analyser. Also hit this in 4.26 so it doesn't appear to be a regression. Occurs with any of the following Band Settings or when creating you ...
BlackboardComponent observer can be called for the wrong key
UE - AI - BehaviorTree - Feb 7, 2023We need to, at least, prevent this by clearing observers when running a new BT using a different blackboard. Must also think that this might affect licensees relying on the current behavior (might h ...
Two-Sided Material option is initially greyed out and inaccessible when creating a Material Instance
UE - Rendering Architecture - Materials - Jun 9, 2021When attempting to change the option for Two-Sided Material for a Material Instance, the option is initially greyed out and you cannot change the value. However, if you close out of the Material Ins ...
Large Landscapes using World Composition have weird LODs when streamed out and back in
UE - World Creation - Worldbuilding Tools - World Composition - Mar 13, 2020When World Composition Sublevels are streamed out and back in the LODs appear distorted. This reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4.23.1 (CL-9631420), 4.25 Preview ...
When setting in PreviewGameLaunguage, the package application always adds "culture" to the argument
UE - Editor - UI Systems - Localization - Nov 12, 2020Whenever packaging project from Launcher with a PreviewGameLanguage set, the culture="preview language" is added to the UE4CommandLine.txt file. Can avoid this issue by setting "None" in PreviewGam ...