Unreal Engine Issues
Unreal Engine Issues
Camera View Transformations in Editor and Sequencer Cannot Be Undo (Ctrl+Z)
UE - Anim - Sequencer - May 26, 2025Camera View Transformations in Editor and Sequencer Cannot Be Undo (Ctrl+Z) Description: When switching the viewport to a specific camera actor, any manual movement/rotation of the camera (via ...
When Sequencer's Add Filter Menu>Keyed(U) is enabled, adding a Key to an actor that previously failed the Filter (had zero Keys) does not immediately include the Keyed actor in the filtered list (if fails FSequencerTrackFilter_Keyed::PassesFilter)
UE - Anim - Sequencer - Jun 25, 2025When Sequencer's Add Filter Menu>Keyed(U) is enabled, adding a Key to an actor that previously failed the Filter (had zero Keys) does not immediately include the Keyed actor in the filtered list (if ...
Split Struct pins cause errors when a project is converted to 4.17
UE - Gameplay - Aug 11, 2017Split Struct pins cause errors when a project is converted to 4.17. You are still unable to split struct pins even if a new variable is created for the struct. Only adding a new variable to the st ...
OSS Steam: SteamSocket listen connections do not work after poll group changes
UE - Online - Oct 25, 2021In 4.27 the logic in SteamSocket.cpp which is part of the SteamSockets plugin was changed to use Poll Groups instead of a removed API function that checked all children of a listen socket. However, ...
Editor-only blueprints like WidgetBlueprint are not added to cooked asset registry class hierarchy
UE - CoreTech - Aug 10, 2022Both the Asset Registry and Asset Manager look for all subclasses of UBlueprintCore and use that to search for blueprint classes and construct an inheritance hierarchy. This always works in editor b ...
Switchboard Unable to Launch Multi-User Slate Server in Launcher Builds
UE - Virtual Production - Tools - Switchboard - Jan 14, 2023Switchboard is unable to launch the Multi-User Slate Server in launcher builds. This is because the default install location has "Program Files and "Epic Games" in the path (aka folders with spaces ...
Animation attributes - user defined structs containing types defined in plugins cannot be registered
UE - Anim - Runtime - Dec 18, 2023This issue is caused by us forcing user defined structs to be loaded as part of AttributeTypes::Initialize. That is called after at the ObjectSystemReady run phase during engine initialization howe ...
Packed Level Actors will create ISMs with inverted normals when a portion of static meshes have negative scales. This is apparent with two-sided materials.
UE - World Creation - Worldbuilding Tools - Feb 17, 2025Packed level actors will create ISM instances with inverted normals when the selection of meshes used to create the packed level actor contains a subset of meshes with negative scales. This is the ...
Crash related to Vertex Painting - MeshPaint!CastChecked<AActor,UObject>()
Tools - May 23, 2016This crash was reported on the UDN. Upon further investigation it has been experienced by a handful of different users throughout 4.11 and 4.12. JIRA logged for tracking despite unknown repro steps ...
Bad references for Lighting Scenarios when moving Levels and Map Build Data Registry to different Folder
Tools - Feb 2, 2017When moving Lighting Scenario Levels and their associated Map Build Data Registry to a new folder within the Content Browser, the references within the Levels tab are updated as [MapName_BuiltData]. ...