Unreal Engine Issues
Unreal Engine Issues
InstanceOnly properties are written to a Blueprint
UE - Gameplay - Blueprint - Sep 17, 2018When CopyActorProperties is used with a target being a template such as a blueprint, it can copy and serialize EditInstanceOnly Properties. ...
Linux server builds of 4.24.0 failing due to Text3D plugin's dependencies on FreeType2 and HarfBuzz
UE - Platform - Linux - Jan 31, 2020The 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 ...
GeneratePsyms fails with installed builds due to missing dymp_syms tool and incorrect path space handling
UE - Platform - Apple - Nov 14, 2024Uncovered while testing [Link Removed] ...
Nanite Displacement Bounds Mismatch Causes Floating Terrain Artifacts on Landscape
UE - Rendering - Graphics Features - Nanite - Mar 19, 2026Summary When Nanite Tessellation (Nanite Displacement) is enabled on a Landscape in UE 5.7.3, scaling the Displacement value via Multiply nodes in the material graph causes floating terrain ghost a ...
Editor Menus don't update on Mac to currently selected Tab.
UE - Platform - Apple - Dec 2, 2016Under certain conditions, when switching between the project tab and subsequent docked blueprint tabs, the appropriate menu will not refresh for the currently selected tab. Regression: No ...
KiteDemo: Spawn under the map
Docs - Samples - May 4, 2017While testing in KiteDemo - //UE4/Release-4.16 CL 3420042 in Binary – trying to find the limits of the Caution: Out of Bounds UMG, I found a way to glitch under the map. You must go all the way dow ...
[CrashReport] UE4Editor_Engine!UBlueprintGeneratedClass::InitPropertiesFromCustomList() [blueprintgeneratedclass.cpp:564]
UE - Gameplay - Blueprint - Feb 2, 2018No user comments in crash group ...
For a TMap with C++ enum keys, deleting and re-adding a map entry in the Editor can corrupt the map data.
UE - Editor - Jul 19, 2024When adding an entry to a TMap using UE's property editors, in most cases the new entry comes with a default-initialized key (if such key already exists, the insertion fails). The case of a UENUM de ...
Parent component visibility in a child blueprint isn't reflected in a launched project.
UE - Gameplay - Blueprint - Mar 5, 2015Parent component visibility in a child blueprint isn't reflected in a launched/packaged project. ...
Crash in packaged project when accessing a TMap that uses an enum as the key
UE - Foundation - Core - Mar 31, 2017A packaged project will crash if a TMap that uses an enum as the key is accessed. This was also tested by launching the same project onto an Android device, which showed the same results. ...