Unreal Engine Issues
Unreal Engine Issues
Meshes Still Casts Shadows With Unlit Materials Applied (Misleading Tooltip)
UE - Graphics Features - Mar 16, 2017The "CastShadow" option on primitive component has a tooltip that says "This flag is ignored (no shadows will be generated) if all materials on this component have an Unlit shading model." This isn ...
Editor Crash with corrupted asset when opening within level or via the content browser.
Tools - Jan 5, 2017Editor will crash when a skeletal mesh has been added to a level and then reopening the project later if you try and access this level. If you attempt to open the skel meshes in the content browser ...
Actor moves between levels when using Convert Actor
Tools - Jan 9, 2017Using Convert Actor when the wrong level is selected can cause the actor to move levels. This doesn't seem to happen with every actor type but is 3/3 reproducible using the steps provided. User Des ...
Actor Variable References settable when in type array in Level blueprint
UE - Gameplay - Blueprint - Nov 13, 2017There is an issue with Actor Variable References that become settable when in type array in the Level blueprint. Once in the array, the actor can be successfully addressed, however using the Save Cu ...
Hot Reload Temporary dlls and pdbs Aren't Getting Cleaned Up Between Runs
UE - Foundation - Cpp Tools - Hot Reload - Dec 14, 2020I'm seeing it as an issue in at least 4.25.4, maybe prior. I'll update after checking 4.24. From the tests at my desk I could see that the HotReload.State file that DeleteTemporaryFiles (HotReloa ...
Datasmith Export Bug with Camera Target
UE - Editor - Content Pipeline - Datasmith - Exporters - Mar 7, 2025Potential bug was encountered when exporting vray cameras and their targets that have been path-constraint to corresponding splines. The resulting export file shows no camera targets; hence, missing ...
interaction with 3D widgets are not possible when moving the pivot point
UE - Editor - UI Systems - Aug 17, 2015If the user moves the pivot point for the 3D widget component the widget can no longer interact with. ...
Check box takes input when set to Self Hit Test Invisible
UE - Editor - UI Systems - Jun 9, 2017The Self Hit Test Invisible is not working as intended for the Check Box component in 4.16. The check is still taking in an input. This issue does not occur when using the "Hit Test Invisible" optio ...
OSX editor fails to run on "older" hardware
at first, a "OpenGL Not Supported" message box appears and then the Editor instantly crashes after the "OK" button has been pressed. I tried again, but this time, passing in the "-opengl" flag. it ...
A packaged game that contains a plugin with a custom struct and function using that struct will crash on launch.
UE - Foundation - Cpp Tools - Plugin System - Sep 9, 2015If a project is packaged with a plugin that contains a custom struct and a function that takes that struct as a parameter, the game will crash when the executable is run. [Link Removed] ...