[TRACKER] Plugin system related issues

[kubecz3k]

This is the tracker for specific issues related to Godot plugin system.

• get_local_mouse_pos() offset bug in the editor #1885
• Editor not removing name from menu when plugin defining has_main_screen() (return true) and get_name() is deactivated #5754
• Editor hangs - caused by EditorSelection #6244
• EditorPlugins for main editors (like 2D/3D/Script) or tools (like AssetLib) need a way to know the "main screen" parent #5786
• Editor plugin ability to open given scene in editor #6495
• Ability to access editor 3d camera in tool mode #6869
• No way to add an item to 'tools button' (EditorPlugin.add_tool_menu_item) #9969
• Error instancing scene as editor tool: Condition ' signal_map.has(p_signal.name) ' is true #6006
• Plugin reload doesn't keeps variables #5969
• Expose CanvasItemEditor and SpatialEditor to GDScript #3992
• Ability to refresh editor Filesystem tree from plugin #6219
• Ability for plugins to add entry under right mouse click context menu #6128
• Ability to create plugin that is based on a scene #3895
• No way to edit plugin.cfg in editor #5096
• Text editor extensions for the plugins API #3869
• Ability to encapsulate tool subscenes (New ways of using tool keyword) #8735
• Expose EditorNode to plugins #6520
• Automatically install plugin dependencies #13187

Couple others more wide issues

• Reduz: Editor Plugin Ideas, Improvements, Suggestions Editor Plugin Ideas, Improvements, Suggestions, etc. Issue. #6254
• TheHX: Suggestions for the Plugin API Suggestions for the Plugin API #4276
• Zatherz: Better custom EditorPlugin nodes Better custom EditorPlugin nodes #6067
• Kubecz3k: EditorPlugin ability to determine current editor state EditorPlugin ability to determine/change current editor state #6497

[rxlecky]

The list should be updated:

• No way to add an item to 'tools button' (EditorPlugin.add_tool_menu_item) #9969 has been closed by Allow users to add items to Tool menu #17576
• No way to edit plugin.cfg in editor #5096 has been closed since it's fixed in 3.1

[rxlecky]

Also docs should be updated, since it still states that Godot can only open script files.

http://docs.godotengine.org/en/3.0/tutorials/plugins/editor/making_plugins.html

[willnationsdev]

Docs should also be updated to showcase the new plugin creation dialog.

[MikeSchulze]

Hi any update here?
I need a way to extend the file system dock context menu to add new functionallity via plugin.