Hi Asepriters! Today we’re releasing Aseprite v1.3.18 as the new stable version! 
It includes several bug and crash fixes and new features introduced since v1.3.18-beta1. You can download it from https://www.aseprite.org/user/ using your account (or creating a new one).
What’s new in Aseprite v1.3.18.1
- Fixed exporting GIF files with correct header (89a) when they are animated #4746 (thanks to @s0ph0s-dog)
- Fixed crash switching between sprites when the mouse is on a timeline tag #5941
- Fixed crash saving backup data #5939
- Fixed crash using theme without layout selector icon #5582
Aseprite v1.3.18
- All changes from v1.3.18-beta1 + beta2.
- Timeline: New tags separation in groups #5807 (related to the new UI #5758)
- Fixed several problems copying user data (color + text) for some objects (tags, slices, etc.) when duplicating a sprite
- Recover Files: Fixed cel position when making backup while we’re painting
- Ensure the console is always parented to the main window #5872
- New “power of two sheet size” UI #5861
- Don’t save preferences file (
aseprite.ini) when running in--batchmode #5733 - Fixed poor text legibility on home screen in dark mode (thanks to @3vorp)
- Added the default extension if the native file dialog didn’t add one
- macOS: Fixed ⌘ key is held down using ⌘O to open native file dialog #4817
- Fixed crash upon deleting pasted selection #5894
- Fixed crash using an invalid file format extension in File > Save #5865
- Fixed crash hiding a layer when we are moving pixels #5781
- Fixed crash when searching in Preferences dialog
- Lua API:
Download this new version from https://www.aseprite.org/user/ and read the announcement here.