Unreal Engine Issues
Unreal Engine Issues
[PCG] Create PCG Asset from Level crashes on loaded sub-level exports
UE - World Creation - Procedural Tools - PCG Workflow - Aug 21, 2025PCG Level Asset export doesn't support exporting a level while it is loaded as a sub-level. We should warn the user instead of crashing. ...
ios launch fail after upgrading to 4.7.1, provision not found, signing key not found
UE - Platform - Mobile - Mar 2, 2015Customers that have never or have created an incorrect bundle identifier will fail to package for iphone. People who have wildcard provisions will work. ...
The properties in a TMap that contains a struct do not appear when adding elements to the TMap
Tools - Dec 1, 2016If a TMap containing a struct is created in a custom code class, the properties of the struct do not appear when elements are added to the TMap in the Blueprint editor. ...
Cannot add set/map variables to user defined structs
UE - Gameplay - Blueprint - Jan 11, 2017For 4.15, we should (ideally) support this, or only provide the array option in sturct (if the other path is too big a change for 4.15 post-branch). ...
User Defined Struct causing crash due to accessing freed memory when using Stompmalloc
UE - Gameplay - Feb 14, 2019A licensee has reported that Custom Structs can cause a crash when using StompMalloc under certain situations. Regression?: No This occurs in 4.20 ...
FUniqueNetIdRepl::NetSerialize() crashes when embedded in a TArray() of structs.
UE - Networking - Jun 29, 2020Calling the NetSerialize() function of FUniqueNetIdRepl from a custom NetSerialize() causes a crash. This only seems to occur when the struct is part of an array RPC parameter. ...
SphereCast_GlobalDistanceField does not compile
UE - Niagara - Mar 3, 2021The sphere cast module has some custom HLSL that calls QueryMeshDistanceFieldGPU, the signature for the function changed, but the HLSL wasn't updated to match so it fails to compile. ...
Reimporting mesh will wipe any collisions that were setup using the Static Mesh Editor
Tools - Jun 12, 2015When Reimporting a mesh the collision that is created using the methods in the Static Mesh Editor will be wiped if there was not previously setup UCX custom collision. ...
WmfMedia: Track switching does not work
Media Framework - Aug 31, 2016Track switching is currently not supported, because media with multiple tracks of the same type fail to load. Once that is fixed, implement run-time track switching. ...
If one or more elements are set in the SensesConfig property of an AIController class containing the AIPerceptionComponent, the elements are reset to None when the Blueprint is compiled.
UE - Gameplay - Blueprint - Jan 22, 2015After adding an AIPerceptionComponent to a custom AIController class, any elements added to the SensesConfig array are reset to None when the Blueprint is compiled. This is related to [Link Removed ...