Aseprite v1.2.8 is available! Several bug fixes and some performance improvements:

• The button to apply effects to the whole sprite is back
• Added support to load/save animated .webp files
• Added current color indicator with new color side to side on color editor
• Improved general performance drawing color selector/color wheel
• Improved general performance in animation playback
• Fixed loading of tool names/tooltips when another translation is selected
• Fixed order of cels when they are copied between files
• Fixed bug with RGBA target buttons
• Windows: Fixed recent folder items using the native file dialog
• Windows: Fixed installing extensions from .zip files and the current user has an Unicode character in its name
• Windows: Fixed bug pasting screenshots on Windows Vista

More info