Similar to widget blueprints there should be a toolbar button to switch to a umg preview for heart graphs that have a registered viewer setup.
This might need to be backed up be having registers that only auto-add themselves in-editor.
2D viewer should create a UMG panel in "preview" mode.
3D viewer should create a preview scene, modified from https://github.com/Sythenz/AssetEditorTemplate probably
Similar to widget blueprints there should be a toolbar button to switch to a umg preview for heart graphs that have a registered viewer setup.
This might need to be backed up be having registers that only auto-add themselves in-editor.
2D viewer should create a UMG panel in "preview" mode.
3D viewer should create a preview scene, modified from https://github.com/Sythenz/AssetEditorTemplate probably