Unreal Engine Issues
Unreal Engine Issues
State Machine Variable Type Icons Display in the Color White
UE - Anim - Runtime - May 4, 2022Occurs 5/5 times State machine variable type icons all display in the color white. Regression does occur - tested in //UE4/Release-4.27.2 EGL Live @ CL18319896 ...
Crack Free Displacement is Flattening Displacement on Landscapes
UE - LD & Modeling - Terrain - Landscape - Nov 18, 2016If a user enables 'Crack Free Displacement' when using tessellation on landscapes, the displacement becomes flattened. This does not occur on regular static meshes, and seems to be tied only to land ...
Using the F key to focus the viewport camera on an actor does not work if the main editor window does not have focus
Tools - Sep 26, 2015Using the F key to focus the viewport camera on an actor does not work if the main editor window does not have focus. Reproduced in 4.8.3 binary, 4.9.1 binary, and Main (CL 2707185) ...
OnRep functions do not fire on the Server when elements are added to an array variable marked as RepNotify
UE - Networking - Mar 17, 2015OnRep functions do not fire on the Server when elements are added to an array variable marked as RepNotify. They do not fire at all when setting an array element with the Set Array Elem node. Proba ...
Setting a value Material Parameter Collection to Material will cause crash
UE - Graphics Features - May 2, 2016Adding a Material Parameter collection to a material, setting its value, then saving the material will cause a crash. This was only able to be reproduced on Mac and did not affect the Windows versio ...
Anti-Alias from Draw Line Function does not fully appear on Android
UE - Platform - Mobile - Aug 24, 2015Some of the lines within the launched or packaged version on Android for the draw line function, but not all of them do. This has been checked on iOS and it's working perfectly fine in both 4.8.3 an ...
Sublevel moves away when undoing the level visibility change
Tools - Nov 21, 2016When you have a sub level with some level transform, changing its visibility then doing undo makes the sub level moved away as if the level transform applied twice. I could repro the issue in 4.13. ...
Editor crashes if opening a sublevel containing a navmesh when persistent level is open
UE - AI - Sep 8, 2015If the persistent level is open and a user attempts to open a sublevel that contains a navmesh, the editor will freeze and then crash. Frequency: 3/3 Crashreporter: N/A ...
Docking tabs to the main viewport will hide other viewports that are not docked
UE - Editor - UI Systems - Slate - Mar 3, 2015If any tabs are undocked from the main viewport and another tab is then docked to the main viewport it will hide any undocked tabs. This only appears to affect tabs that in the Menu > Window with ex ...
Compiling any material in UE 5.5.1 without ShaderCompiler JobCache results in a crash
UE - Rendering Architecture - Shaders - Jan 15, 2025Compiling any material with r.ShaderCompiler.JobCache=0 causes ShaderCompileWorker to crash. Reproduction steps cause a crash during Editor startup, but this bug may affect other scenarios where mat ...