MarsEdit 5.4.2 has been released, bringing extended synced spell check options to more text fields, restoring the photo icon in the Micropost panel, and fixing several bugs including incorrect “Edited Date” display and crash reporter issues. The update is available on the MarsEdit website and Mac App Store.
https://redsweater.com/blog/4267/marsedit-5-4-2-more-spell-check-syncing