New Aseprite v1.2.10-beta2 available today in the beta channel:

Aseprite v1.2.10-beta1

• Added new File > Scripts menu to create .lua scripts. Check out the API documentation
• Linux/X11:
• Added support for native cursors
• Fix rendering issues moving windows inside the program
• New backend to fix several issues on Linux (mainly performance improvement)
• Timeline now scrolls when we drag frames or cels
• Added support for a lot of layers (more than 32767)
• New palettes: BubbleGum16 by PineTreePizza, Zughy-32 by Marco “Zughy” Amato, and AAP-RadiantXV by Adigun Polack.
• Added a New Layer Below with Shift+Space+N keyboard shortcut
• Added option to hide the tooltip that appears when we Undo/Redo an action
• Added Shift modifier on Sprite > Canvas to change the same size on both sides
• Added possibility to flatten visible or selected layers
• macOS: Fixed loading fonts from user home ~/Library/Fonts directory
• Fixed single click on selection with Add & Subtract modes
• Fixed color palette scroll when we drag-and-drop colors
• Fixed a couple of critical bugs/crashes

Aseprite v1.2.10-beta2

• New Color management
• Added new intersect selection mode to selection tools (Ctrl+Shift)
• Added selection modes to Select > Color Range command
• Added new right click option: Select Layer & Move
• Added new commands to jump to first/last frame of active tags
• Added basic support to save/export sprites to .svg files
• Added support for {tagframe} in –filename-format when exporting JSON data with –data
• Added new scripting functions to show dialogs or mini toolbars running on background

Check the release notes for more information