MarsEdit 5.4.4 is now available on the MarsEdit website and Mac App Store, featuring improved handling of animated GIFs in the Upload Utility preview and when pasting images, along with several bug fixes including corrected sidebar option settings, crash protection for an upcoming macOS release, and reduced memory usage. Users are encouraged to support the app by writing reviews, sharing on social media, or blogging about it.
https://redsweater.com/blog/4280/marsedit-5-4-4-animated-gif-improvements