New Aseprite v1.2.9 was just released! In these months we have been releasing some beta versions and now this release includes all the changes from betas + some extra features:

• Default mouse wheel behavior changes:
• Ctrl+mouse wheel => changes brush size
• Ctrl+Shift+mouse wheel => changes current animation frame
• Updated the Quick Reference with these changes
• Add mouse wheel customization for sprite editor
• Add possibility to write math expression in number textboxes
• Shift+Enter plays/stops the animation in the Preview window
• Timeline changes:
• New UI to move frames inside or outside tags
• New way to select timeline frames/layers + color bar entries Shift+click
• Now the Timeline keeps the selected layers/frames/cels after undo/redo.
• Alt+click to hide all layers
• New way to render the canvas when zoom < 100%
• Show duration of selected frames
• Added F key to fill the selection and S key to create a stroke. (Old “Advanced Mode” keyboard is Ctrl+F now.)
• Show selection edges again when it’s hidden and we use Ctrl+A or Cmd+A
• Updated ARNE32 palette
• Create intermediate directories when –save-as is used in the CLI
• Windows Surface/tablet-like devices: Draw with one finger, pan/scroll with two fingers
• Linux/X11: Added clipboard support. Now we can copy/paste text and images to/from other software like GIMP, Krita, etc.
• Fixed issue using moving layer content and the active selection with Move tool
• Fixed several bugs

More information in the Aseprite Community site.