Yeah, version numbering will be weird for some time, but basically you'll want to download whichever version has the bigger number. This update is pretty chonky, but nothing major.

Bugfixes:

• Fixed a bug where the resolution would be incorrect on the launcher
• Tiles can now be dragged and dropped correctly
• Coordinates are now behind the menu background
• Clicking cancel when selecting a wall accessory no longer glitches out the wall state
• Fixed a limit error where the floor wouldn't appear at the edge of the editor

Additions:

• Added a grid to the editor
• Added and object that defines the level spawnpoint
• Added all table variants
• Added all roto hall variants
• You can now press H on a tile to get its information
• Fences, water fountains, vending machines, and more can now be rotated
• Added saving
• Added sample sound effect when adjusting master volume
• Added warning screen
• Nana Peels can now be turned into the slippery variant
• Some Auto Build exclusive tiles can no longer be dragged
• Added bulletin boards
• Added enemy posters (a.k.a. the posters that appear in the principal's office)
• Added new areas for Auto Builder to create
• Custom levels can now be downloaded
• Added a clickable button to quit the editor

Changes:

• Potted plants and trees now appear the correct size
• Editor is now loaded separately
• Tiles stop running their code when they are too far away, aiding in performance
• Some other screens are now loaded separately
• Some Auto Build exclusive tiles are now deleted as a bunch