MarsEdit

ProductivitymacOS

A desktop blog editor for WordPress and other platforms, on the Mac since 2004.

Latest 5.4.5 · · macOSby Red Sweater SoftwareWebsiteRSS

Release activity

Release activity — 12 releases across 12 days in the last year. Each cell is one day; darker means more releases that day. Older weeks are hidden at this screen width.
JunJulAug
SundayNo releases on May 10, 2026No releases on May 17, 2026No releases on May 24, 2026No releases on May 31, 2026No releases on Jun 7, 2026No releases on Jun 14, 2026No releases on Jun 21, 2026No releases on Jun 28, 2026No releases on Jul 5, 2026No releases on Jul 12, 2026No releases on Jul 19, 2026No releases on Jul 26, 2026No releases on Aug 2, 2026No releases on Aug 9, 2026No releases on Aug 16, 2026No releases on Aug 23, 2026
MondayNo releases on May 11, 2026No releases on May 18, 2026No releases on May 25, 2026No releases on Jun 1, 2026No releases on Jun 8, 2026No releases on Jun 15, 2026No releases on Jun 22, 2026No releases on Jun 29, 2026No releases on Jul 6, 2026No releases on Jul 13, 2026No releases on Jul 20, 2026No releases on Jul 27, 2026No releases on Aug 3, 2026No releases on Aug 10, 2026No releases on Aug 17, 2026No releases on Aug 24, 2026
TuesdayNo releases on May 12, 2026No releases on May 19, 2026No releases on May 26, 2026No releases on Jun 2, 2026No releases on Jun 9, 2026No releases on Jun 16, 2026No releases on Jun 23, 2026No releases on Jun 30, 2026No releases on Jul 7, 2026No releases on Jul 14, 20261 release on Jul 21, 2026No releases on Jul 28, 2026No releases on Aug 4, 2026No releases on Aug 11, 2026No releases on Aug 18, 2026No releases on Aug 25, 2026
WednesdayNo releases on May 13, 2026No releases on May 20, 2026No releases on May 27, 2026No releases on Jun 3, 2026No releases on Jun 10, 2026No releases on Jun 17, 2026No releases on Jun 24, 2026No releases on Jul 1, 2026No releases on Jul 8, 2026No releases on Jul 15, 2026No releases on Jul 22, 2026No releases on Jul 29, 2026No releases on Aug 5, 20261 release on Aug 12, 2026No releases on Aug 19, 2026No releases on Aug 26, 2026
ThursdayNo releases on May 14, 2026No releases on May 21, 2026No releases on May 28, 2026No releases on Jun 4, 2026No releases on Jun 11, 2026No releases on Jun 18, 2026No releases on Jun 25, 2026No releases on Jul 2, 2026No releases on Jul 9, 2026No releases on Jul 16, 2026No releases on Jul 23, 2026No releases on Jul 30, 2026No releases on Aug 6, 2026No releases on Aug 13, 2026No releases on Aug 20, 2026No releases on Aug 27, 2026
FridayNo releases on May 15, 2026No releases on May 22, 2026No releases on May 29, 2026No releases on Jun 5, 2026No releases on Jun 12, 2026No releases on Jun 19, 2026No releases on Jun 26, 2026No releases on Jul 3, 2026No releases on Jul 10, 2026No releases on Jul 17, 2026No releases on Jul 24, 2026No releases on Jul 31, 2026No releases on Aug 7, 2026No releases on Aug 14, 2026No releases on Aug 21, 2026No releases on Aug 28, 2026
SaturdayNo releases on May 16, 2026No releases on May 23, 2026No releases on May 30, 2026No releases on Jun 6, 2026No releases on Jun 13, 2026No releases on Jun 20, 2026No releases on Jun 27, 2026No releases on Jul 4, 2026No releases on Jul 11, 2026No releases on Jul 18, 2026No releases on Jul 25, 2026No releases on Aug 1, 2026No releases on Aug 8, 2026No releases on Aug 15, 2026No releases on Aug 22, 2026No releases on Aug 29, 2026

12 releases in the last year

Changelog

5.4.5Latest

MarsEdit 5.4.5

Changed 1
  • Dramatically improved typing and scrolling performance in plain text mode with long posts
Fixed 19
  • Reduced flickering and reloading of embedded content in the live preview window
  • Improved 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
Security 1
  • Improved security when the server tries to redirect from an HTTPS to an HTTP URL

From MarsEdit

MarsEdit 5.4.5

  • 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
  • Improved security when the server tries to redirect from an HTTPS to an HTTP URL
  • Posts whose date can't be parsed no longer display and sort as January 1, 2001
  • The Crash Reporter now avoids re-submitting old crash logs when the app terminates unexpectedly
  • Tumblr specific improvements
  • Fixed a bug that caused posts set as “Private” to be set as “Draft” instead
  • Fixed a bug that could cause posts containing certain phrases to signal a connection error
  • Photos attached to a Tumblr post are no longer silently dropped when publishing needs to authenticate or retry
View originalPermalink
How 5.4.5 went
5.4.4

MarsEdit 5.4.4

Added 1
  • Animated GIFs are now shown with animation in the Upload Utility preview
Changed 1
  • When pasting an image, if animated GIF and TIFF data are both available, the animated item is now preferred
Fixed 3
  • 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

From MarsEdit

MarsEdit 5.4.4

  • 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
View originalPermalink
How 5.4.4 went
5.4.3

MarsEdit 5.4.3

Changed 1
  • Extended the syncing of spell check options to more text fields in the app
Fixed 4
  • Restored functionality of the Upload Utility window
  • 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 1
  • Removed non-applicable Move and Rename menu items

From MarsEdit

MarsEdit 5.4.3

  • Restored functionality of the "Upload Utility" window MarsEdit 5.4.2 contained these changes:
  • 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
View originalPermalink
How 5.4.3 went
5.4.2

MarsEdit 5.4.2

Added 1
  • Restored the photo icon to the Micropost panel's image-choosing button
Changed 1
  • Extended the syncing of spell check options to more text fields in the app
Fixed 2
  • 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 1
  • Removed non-applicable Move and Rename menu items

From MarsEdit

MarsEdit 5.4.2

  • 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
View originalPermalink
How 5.4.2 went
5.4.1

MarsEdit 5.4.1

Added 1
  • The Send to MarsEdit share extension now supports sending text to MarsEdit
Changed 3
  • Standard macOS Versions now work as expected with Revert to menu item
  • Improved handling of WordPress permission errors when the blog is not English language
  • Restored animation when closing the Options side panel
Fixed 6
  • Fix a bug from Version 5.4 that caused edits to existing posts to publish as new posts
  • Fixed a bug that removed images from Tumblr posts published with Micro Post panel
  • Fixed syntax coloring bugs affecting Markdown in the plain text editor
  • Fixed a bug that allowed styled text to be pasted into the Find & Replace text fields
  • Fixed an issue that could cause a drawing glitch in the plain text editor after deleting text
  • Fixed a flash of white when opening a post in Rich Text editor in Dark Mode

From MarsEdit

MarsEdit 5.4.1

  • Fix a bug from Version 5.4 that caused edits to existing posts to publish as new posts MarsEdit 5.4 contained these changes:
  • Standard macOS "Versions" now work as expected with "Revert to" menu item
  • The "Send to MarsEdit" share extension now supports sending text to MarsEdit
  • Fixed a bug that removed images from Tumblr posts published with Micro Post panel
  • Fixed a couple syntax coloring bugs affecting Markdown in the plain text editor
  • Fixed a bug that allowed styled text to be pasted into the Find & Replace text fields
  • Fixed an issue that could cause a drawing glitch in the plain text editor after deleting text
  • Fixed a flash of white when opening a post in Rich Text editor in Dark Mode
  • Improved handling of WordPress permission errors when the blog is not English language
  • Restored animation when closing the Options side panel
View originalPermalink
How 5.4.1 went
5.4

MarsEdit 5.4

Added 2
  • Standard macOS Versions now work as expected with Revert to menu item
  • The Send to MarsEdit share extension now supports sending text to MarsEdit
Changed 2
  • Improved handling of WordPress permission errors when the blog is not English language
  • Restored animation when closing the Options side panel
Fixed 5
  • Fixed a bug that removed images from Tumblr posts published with Micro Post panel
  • Fixed syntax coloring bugs affecting Markdown in the plain text editor
  • Fixed a bug that allowed styled text to be pasted into the Find & Replace text fields
  • Fixed an issue that could cause a drawing glitch in the plain text editor after deleting text
  • Fixed a flash of white when opening a post in Rich Text editor in Dark Mode

From MarsEdit

MarsEdit 5.4

  • Standard macOS "Versions" now work as expected with "Revert to" menu item
  • The "Send to MarsEdit" share extension now supports sending text to MarsEdit
  • Fixed a bug that removed images from Tumblr posts published with Micro Post panel
  • Fixed a couple syntax coloring bugs affecting Markdown in the plain text editor
  • Fixed a bug that allowed styled text to be pasted into the Find & Replace text fields
  • Fixed an issue that could cause a drawing glitch in the plain text editor after deleting text
  • Fixed a flash of white when opening a post in Rich Text editor in Dark Mode
  • Improved handling of WordPress permission errors when the blog is not English language
  • Restored animation when closing the Options side panel
View originalPermalink
How 5.4 went
5.3.12

MarsEdit 5.3.12

Fixed 3
  • 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 1
  • Removed an unnecessary animated hiding of the status bar when opening a new document

From MarsEdit

MarsEdit 5.3.12

  • 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
View originalPermalink
How 5.3.12 went
5.3.10

MarsEdit 5.3.10

Added 1
  • Most text fields in the post editor, including Title, now grow vertically as needed to their text
Changed 2
  • Improved performance when autocompleting tags from a large list of previously used terms
  • Clearing the content of the Enclosure panel now completely removes the enclosure from the post
Fixed 2
  • Fixed a crash that could occur when closing a post document
  • Fixed a bug introduced in Version 5.3.8 that prevented resizing fields from adapting to window size changes

From MarsEdit

MarsEdit 5.3.10

  • 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
View originalPermalink
How 5.3.10 went
5.3.8

MarsEdit 5.3.8

Changed 2
  • Updated the icon to fit the expected macOS 26 style
  • Restore integration with NetNewsWire Share functionality
Fixed 2
  • Fix a bug that prevented the website icon for a blog from being downloaded correctly
  • Address an issue that caused garbled text in some editing fields when running the latest macOS

From MarsEdit

MarsEdit 5.3.8

  • 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
View originalPermalink
How 5.3.8 went
5.3.7

MarsEdit 5.3.7

Fixed 2
  • 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'

From MarsEdit

MarsEdit 5.3.7

  • 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"
View originalPermalink
How 5.3.7 went
5.3.6

MarsEdit 5.3.6

Fixed 1
  • Restored browser integration functionality that was broken in version 5.3.5

From MarsEdit

MarsEdit 5.3.6

  • Quick fix to an issue with 5.3.5 that broke browser integration functionality
View originalPermalink
How 5.3.6 went
5.3.5

MarsEdit 5.3.5

Added 1
  • Allow "Duplicate Post" to be invoked on more than one selected post
Changed 1
  • Improve launch time performance
Fixed 2
  • Fix a crash that could occur when opening the main window or document sidebars
  • Fix minor layout issues in the Media Manager window

From MarsEdit

MarsEdit 5.3.5

  • Improvements to launch time performance
  • "Duplicate Post" can now be invoked to duplicate more than one selected post
  • Fix a crash that could occur when opening the main window or document sidebars
  • Minor layout fixes in the Media Manager window
View originalPermalink
How 5.3.5 went
5.3.4

MarsEdit 5.3.4

Changed 1
  • Improved performance of handling blogs with large numbers of posts
Fixed 5
  • Fix a crash when opening Settings with no blog selected
  • Fix misplaced text overlapping the buttons in the Add Blog window
  • Fix an issue that could cause the plain text editor to crash while editing very large posts
  • Fix a bug that could cause the wrong value for Micropost tags and category defaults to show
  • Fix AppleScript references to posts by index

From MarsEdit

MarsEdit 5.3.4

  • Improved performance of handling blogs with large numbers of posts
  • Fix a crash when opening Settings with no blog selected
  • Fix misplaced text, overlapping the buttons in the "Add Blog" window
  • Fix an issue that could cause the plain text editor to crash while editing very large posts
  • Fix a bug that could cause the wrong value for Micropost tags and category defaults to show
  • Fix AppleScript references to posts by index
View originalPermalink
How 5.3.4 went
5.3.3

MarsEdit 5.3.3

Added 1
  • Enable the Excerpt field on Micro.blog blogs to edit Summary text
Changed 2
  • Differentiate errors from Jetpack about IP address being flagged from regular login failures
  • Handle Too Many Requests responses more intelligently, retrying after the recommended delay if possible
Fixed 5
  • Fix a crash that could occur when editing long lines in the plain text editor
  • Fix a bug that prevented the JavaScript browser bookmarklet from working on some sites
  • Fix a bug that caused duplicated text when using dictation in rich text
  • Fix a bug that could cause the New Blog panel to get very tall and not shrink again
  • Fix a bug that prevented the non-Safari browser bookmarklet from working on some sites
Removed 1
  • Remove media assets from the list of posts returned by AppleScript

From MarsEdit

MarsEdit 5.3.3

  • Enabled the Excerpt field on Micro.blog blogs to edit “Summary” text
  • Fix a crash that could occur when editing long lines in the plain text editor
  • Fix a bug that prevented the JavaScript browser bookmarklet from working on some sites
  • Fix a bug that caused duplicated text when using dictation in rich text
  • Differentiate errors from Jetpack about IP address being flagged from regular login failures
  • Handle "Too Many Requests" responses more intelligently, retrying after the recommended delay if possible
  • Fix a bug that could cause the "New Blog" panel to get very tall and not shrink again
  • Fix a bug that prevented the non-Safari browser bookmarklet from working on some sites
  • Remove media assets from the list of "posts" returned by AppleScript
View originalPermalink
How 5.3.3 went
5.3.2

MarsEdit 5.3.2

Fixed 2
  • Fix a crash that could occur when a bad URL is provided for a blog
  • Fix a crash that could occur when adding a blog if autoconfiguration failed

From MarsEdit

MarsEdit 5.3.2

  • Fix a crash that could occur when a bad URL is provided for a blog
  • Fix a crash that could occur when adding a blog if autoconfiguration failed
View originalPermalink
How 5.3.2 went
View all

Discussion