Unreal Engine Issues
Unreal Engine Issues
Camera View Transformations in Editor and Sequencer Cannot Be Undo (Ctrl+Z)
zComponent - Archive - 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)
zComponent - Archive - 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 ...
DataAsset blueprints have the wrong NativeClass
UE - Gameplay - Nov 18, 2025UDataAsset's constructor assumes itself to be the native class, and caches that value for use by the asset registry. However, if the data asset type is defined in a blueprint (i.e. subclassing UPrim ...
Instanced Actors: Editor preview don't show correct relative mesh transforms
UE - Engine Scaling - Mass - May 30, 2026Context Actors can be converted into Instanced Actors via the IA plugin. During runtime and in the editor, an instanced actor’s visual is generated from the collection of StaticMeshComponents on th ...
Crash After Reimporting Static Mesh With Added Material Slot
Tools - Jan 12, 2017After importing a mesh without any materials assigned, if you add a material slot and save the material. Reimporting this mesh will cause a crash. The only way to avoid this crash is to import a me ...
Cannot create Editor Toolbar Button with the name "Button"
Tools - Apr 19, 2017The plugin fails to be created with the name "Button". The name button or BUTTON works as a plugin name. If there are some names that plugins cannot be called, then an error/warning message in the o ...
Crash upon using EComparisonMethod as a variable in a struct
UE - Gameplay - Blueprint - Jul 17, 2017Having a variable of the type EComparisonMethod inside of a struct causes the editor to crash. This could be due to the variable being as part of the Development folders in code. Attempting to repro ...
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 ...
Unable to select foliage by left clicking after 1.5 k foliage meshes placed
UE - World Creation - Worldbuilding Tools - Foliage - Aug 28, 2017When using the foliage tool, once the mesh count reaches around 1.5k and higher you will be unable to select individual meshes by using the mouse. The lasso tool and the select all tool work as inte ...
Crash upon adding an Interface to a Blueprint that has a function name that matches the name of a variable in the Blueprint.
UE - Gameplay - Blueprint Compiler - Oct 13, 2017When you add an Interface to a Blueprint that contains a variable with the same name as one of the Interface's functions, the editor will crash upon compiling the blueprint. In 4.16, this only cause ...