This is a quick update with fixes for backgrounds and JS minifier. It also adds an experimental tile editor, but mainly just because it happened to be merged in the dev branch already :b Don't expect much from it.

⚡ General Improvements

• Rectangular grids in room editor

✨ New Features

• Support for tilesets! An early version, HIGHLY EXPERIMENTAL

🐛 Bug Fixes

• Fix a bug preventing picking a background
• Fix a bug preventing to delete a room with a context menu
• Fix FPS input in graph editor not working
• Fix modal dialogues with 'Delete' labels instead of 'Ok'
• Replace JS minifier to support ES6

💄 UI Improvements

• Changes to number fields in style and graphic editors now affect preview panes instantly
• Search and sorting for room editor with minor UI improvements
• Show a warning when using duplicate names in assets

Happy coding!
Comigo