Unreal Engine Issues
Unreal Engine Issues
Client crashes after second seamless travel when a blueprint manually placed in the world spawns a replicated actor
UE - Networking - Sep 19, 2019When a user loads into a level that spawns replicated actors using manually placed blueprints twice using ServerTravel with Seamless Travel enabled it will crash. It looks like the engine can't find ...
Material expression If node has been broken, major regression that shipped in 4.6
UE - Graphics Features - Dec 9, 2014This sounds legit. Anyone mess with the if node recently? There seems to be a regression where existing content is broken. This should be fixed ASAP and patched into 4.6. https://forums.unrealen ...
[CrashReport] UE4Editor_Renderer!FBatchingSPDI::DrawMesh() [primitivesceneinfo.cpp:47]
UE - Graphics Features - Jan 3, 2017Error message: Assertion failed: Mesh.VertexFactory->IsInitialized() [Link Removed] [Line: 45] Source Context: 32 // Keep a reference to the hit proxy from the FPrimitiveSceneInfo, to ensu ...
macOS build appears to hang due to UBT deadlocking on ps buffer
UE - Foundation - Cpp Tools - Apr 22, 2021Licensee reports buffer deadlock issue in System/BuildHostPlatform.cs (lines 283-329). Moving Proc.WaitForExit() to after the for-loop seems to resolve the issue for them.publicoverride ProcessInf ...
In BP/Python Editor Utilities, function SetEditorProperty() unexpectedly fails for Actor Reference Properties on External Actors.
UE - World Creation - Worldbuilding Tools - May 19, 2024As part of the Python and Editor Scripting Tools, it is possible to programmatically set variables in actor instances of the current level just like when using the Details Panel in the Level Editor. ...
SCS child scene component instances can be registered out-of-order with non-scene component instances (regression).
UE - Gameplay - Components - Sep 7, 2016This behavior is a regression in 4.12. Essentially we switched to attaching child components as part of the OnRegister() logic. This caused all root-level SCS components (including non-scene compone ...
Suggested improvements to TcpMessagingModule
UE - Virtual Production - Tools - Apr 12, 2022This a repost of a question that I posted to ue5help but it got closed before I got an answer. I am open to making the changes I've requested here and sending them back if that will expedite things. ...
Crash on attempt to clear(NullifyInstance) of duplicated Hierachial Instanced Static Mesh
Tools - May 31, 2019When creating an C++ Actor with a Hierarchical Instanced Static mesh. when duplicating such an actor with mesh instances, the instances are not visible on the level. In this state, calling HISM comp ...
"Save Current As" is not fully loading the newly-saved level
Tools - Mar 15, 2017Workaround: Navigate to and open the newly-created level in the Content Browser prior to LaunchOn. After using the Save Current As tool, Game runs into error when trying to LaunchOn. Editor display ...
Plugin Config filenames need to be different for Engine vs Game plugins
UE - CoreTech - Aug 16, 2021Right now, plugins installed to the game directory will only load plugin-specific config files with the path /Project/Plugins/PluginPath/Config/*Default*PluginName.ini. However, engine plugins will ...