Unreal Engine Issues
Unreal Engine Issues
UE Editor 5.3 - Level Viewport - Unlocalized Issues
UE - Editor - Workflow Systems - Jun 23, 2023How to Reproduce: 1. Open Editor 5.3 (ReltestB) in Localized version (culture= ) 2. Click on the "show" icon in the level viewport 3. Navigate to the following locations in the Show menu and observ ...
Inconsistent texture loading issue within material editor
UE - Rendering Architecture - Materials - Jul 16, 2025A licensee has reached out via EPS about a texture loading issue they are having in-editor. I summarized the most important points below:The issue relates to texture load failure associated with mat ...
Behavior of configuration file hierarchy is different from document
UE - Foundation - Core - Nov 6, 2015Licensee reported behavior of configuration file hierarchy is different form document here (https://docs.unrealengine.com/latest/INT/Programming/Basics/ConfigurationFiles/index.html) Doc: 1. Engine ...
Static lighting issues with foliage
UE - World Creation - Worldbuilding Tools - Foliage - May 28, 2016The user reports a scene with a reasonable number of foliage instances renders with black lighting: After updating to 4.11 (.1 or .2 doesn't matter) I have not been able to bake my lighting properl ...
[CrashReport] UE4Editor_CoreUObject!FPackageName::LongPackageNameToFilename() [packagename.cpp:381]
Tools - Jul 14, 2017This is a common crash affecting users in 4.15 and 4.16. It appears to often occur while editing static meshes. User DescriptionsI was editing a mesh, added a socket, didnt immediately rename it, s ...
[CrashReport] UE4Editor_SlateCore!SWindow::IsVisible() [swindow.cpp:1320]
Tools - Oct 12, 2017This is a trending crash coming out of the 4.18 previews and 4.18.0. The callstack is similar to a Mac crash that was fixed in 4.16.2 - [Link Removed] User Descriptionswas testing 3rd person temp ...
Reliable subobject creation bunch may overwrite previously received property on the actor
UE - Networking - Jun 21, 2024This seems to occur because of how reliability and the retransmission of dropped data is handled in the engine. If a reliable bunch is dropped, the entire bunch will be resent, but any unreliable bu ...
Insufficient precision of Decode71 function
UE - Rendering Architecture - Shaders - Jun 5, 2025Encode71 and Decode71 in DeferredShadingCommon.ush are functions that convert 8-bit values to 7-bit values and mask values, and licensees have reported that the accuracy is insufficient when usi ...
When walking off of angled geometry the player pawn will fall off of the edge horizontally instead of falling
UE - Gameplay - Player Movement - Nov 26, 2014When walking off of angled geometry the player pawn will fall off of the edge horizontally instead of falling. Even with all possibly related values changed in the character defaults, the player wi ...
[CrashReport] UE4Editor_UnrealEd!PackageTools::ReloadPackages() [packagetools.cpp:576]
Tools - Jun 29, 2017This is a common crash affecting users on 4.16. Users have not provided any descriptions, so additional information is currently unavailable. Source Context 561 ::SortPackagesForReload( ...