Level Editor
1. Fixed a bug where 'Q' and 'R' could not be entered in the level name.
2. Fixed a bug where the radial menu could still be opened with a right-click during level testing.
3. Fixed a bug where some text was not displayed in the radial menu.
4. Fixed a bug where language locales was not working in the radial menu.
5. Prevented the deletion of red pellet (player control) and green pellet (level target) to avoid accidental deletion.
6. Fixed a bug where objects could be dragged and stacked together on the same layer.
7. Disabled the right-click menu in text input fields.
8. Fixed a bug with the cursor position in number input fields.
9. Fixed a bug where non-numeric characters could be entered in number input fields.
10. Allowed users to input negative numbers in numeric properties.
11. Adjusted the layout of some buttons to the top menu.
12. Changed the save and publish mechanism for editing.
13. Added a help tutorial in the editor (currently only supports English and Chinese).
Other
14. Pressing the [Esc] key now exits the level/editor (previously the [Q] key).
15. Changed the multiplication and division characters in level hints to more readable characters.
16. Fixed hints in some levels.