What's Changed

• Added extended support to BMP files #3277 #1495
• Request frame duration when opening sequence of static images as animation (thanks to @lampysprites)
• Fixed scaling Reference Layers after Sprite > Sprite Size #3461
• Fixed RotSprite transparency bug #3444
• Fixed scale factor when using the "Export for Twitter" #3465
• Fixed scrollbar for the Extensions list in Preferences is missing on the first open #3456
• Windows: Fixed several problems painting with a stylus/pen when a mouse is plugged in #3433
• Lua API changes

Full Changelog: https://github.com/aseprite/aseprite/compare/v1.2.39...v1.2.40 Discuss: https://community.aseprite.org/t/aseprite-v1-2-40-and-v1-3-beta21/15614