MarsEdit

5.4.6 — Sep 29, 2026
5.4.6Sep 29, 2026
MarsEdit 5.4.6
Sep 29, 2026
Further improvements to syntax-coloring performance when editing large posts
Fixed a bug that caused excessive CPU usage when using the rich text editor
Fixed a redundant reloading of the main window preview during blog refresh
Fixed a bug that could cause the app to get stuck in “Publishing” state for a post, preventing further “Send to Blog” actions until closing and reopening the document
Fixed a crash when attempting to “Refresh All” with no blogs configured
Fixed a bug that prevented last-ditch backups from being saved for posts with very long titles
Fixed a bug that could cause the Options panel to not expand on a future macOS release
Fix a crash that could occur when a blog post has a <title> tag within it

5.4.5 — Aug 12, 2026
5.4.5Aug 12, 2026
MarsEdit 5.4.5
Aug 12, 2026
Reduced flickering and reloading of embedded content in the live preview window
Dramatically improved typing and scrolling performance in plain text mode with long posts
Improvements to problems that could cause sections of text to have stale syntax highlighting
Markdown list notation that uses only 2 or 3 spaces per indent is now rendered correctly in the live preview
Restored expected behavior when preview content is “pinned” to the bottom while writing a long post
Restored the ability to use the space key in the main post list to scroll through posts one at a time
Fixed a bug that could cause long text values to truncate instead of growing the pertinent text field
Fixed a bug that could cause successful blog refreshes after a failed one to fail to save to disk
Fixed a bug that could cause a post to publish twice if a network connection drop occurred during posting
Fixed a bug that could cause an authentication panel to appear repeatedly after canceling it
Fixed a bug that caused the wrong post to be opened when double clicking shortly after changing the selected blog
Fixed multiple bugs that could cause a crash when the server returns an unexpected result
Fixed a number of memory over-usage problems
Fixed a bug where dragging the last “Published” image from the Media window failed to add the image to the targeted post
Fixed a bug that could cause a toolbar icon to appear with inverted colors
(省略されました)

5.4.4 — Jul 21, 2026
5.4.4Jul 21, 2026
MarsEdit 5.4.4
Jul 21, 2026
Animated GIFs are now shown with animation in the Upload Utility preview
When pasting an image, if animated GIF and TIFF data are both available, the animated item is now preferred
Fixed an issue that caused some changed sidebar options such as author and pingbacks not to be set correctly on new posts
Protected against a crash when running on an upcoming release of macOS
Fixed some memory over-usage issues

5.4.3 — Mar 27, 2026
5.4.3Mar 27, 2026
MarsEdit 5.4.3
Mar 27, 2026
Restored functionality of the "Upload Utility" window

5.4.2 — Mar 26, 2026
5.4.2Mar 26, 2026
MarsEdit 5.4.2
Mar 26, 2026
Extended the syncing of spell check options to more text fields in the app
Restored the photo icon to the Micropost panel's image-choosing button
Fixed a bug that caused published posts to show the wrong "Edited Date"
Fixed the punctuation and placement of buttons in the crash reporter
Removed non-applicable Move and Rename menu items

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5.4.1 — Mar 18, 2026
5.4 — Mar 17, 2026
5.3.12 — Jan 12, 2026
5.3.10 — Nov 28, 2025
5.3.8 — Oct 4, 2025
5.3.7 — Sep 16, 2025
5.3.6 — Sep 13, 2025
5.3.5 — Sep 12, 2025
5.3.4 — Apr 14, 2025
5.3.3 — Mar 10, 2025
5.3.2 — Feb 2, 2025
5.3.1 — Jan 31, 2025
5.3 — Dec 21, 2024
5.2.6 — Sep 27, 2024
5.2.5 — Sep 10, 2024
5.2.4 — Sep 2, 2024
5.2.2 — Jul 2, 2024
(省略されました)

MarsEdit 5.3.12
Jan 12, 2026
Fixed a bug that caused font panel changes not to be registered as expected in the Rich Text editor
Fixed a bug that caused a blank "overlay" window to appear below title field
Fixed a crash that could occur when processing an unexpected response from the blog server
Removed an unnecessary animated hiding of the status bar when opening a new document
MarsEdit 5.3.11
Nov 25, 2025
Mac App Store only: Fixed a licensing issue that caused the app to fail to launch on certain Macs
Fixed a bug introduced in Version 5.3.8 that prevented these resizing fields from adapting to window size changes
Copyright © 2026 Red Sweater Software, LLC. All Rights Reserved.

MarsEdit 5.3.10
Nov 25, 2025
Fixed a crash that could occur when closing a post document
Improved performance when autocompleting tags from a large list of previously used terms
Most text fields in the post editor, including Title, now grow vertically as needed to their text
Fix a bug introduced in Version 5.3.8 that prevented these resizing fields from adapting to window size changes
Clearing the content of the Enclosure panel now completely removes the enclosure from the post
MarsEdit 5.3.9
Oct 5, 2025
This was a Mac App Store specific update to fix a licensing issue

MarsEdit 5.3.8
Oct 4, 2025
Updated the icon to fit the expected macOS 26 style
Fix a bug that prevented the website icon for a blog from being downloaded correctly
Restore integration with NetNewsWire "Share" functionality
Address an issue that caused garbled text in some editing fields when running the latest macOS

MarsEdit 5.3.7
Sep 15, 2025
Restore proper selection of interior of HTML tags when applying formatting macros
Fix a bug that caused images to disappear from a post after choosing to "Upload Now"

MarsEdit 5.3.6
Sep 13, 2025
Restore browser integration functionality that was inadvertently disabled by the previous update