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HTML Editor Syntax Highlighter · Version history

HTML Editor Syntax Highlighter changelog and version history

Latest version
3.0.0
Nov 8, 2026 (1 day ago)
Releases
49
since 2013
In the last year
2
about one every 17 days
Tested up to
WordPress 7.1.4
PHP 7.4 or later

Releases each year

  • 20139 releases
  • 20148 releases
  • 20156 releases
  • 20163 releases
  • 20176 releases
  • 20184 releases
  • 20199 releases
  • 20211 release
  • 20241 release
  • 20262 releases

20262 releases

  1. HTML Editor Syntax Highlighter 3.0.0Latest

  2. HTML Editor Syntax Highlighter 2.5.0

    • Tested with WordPress 7.1. Now requires WordPress 6.5 or later and PHP 7.4 or later.
    • Fixed: in the Gutenberg Code Editor, changes were lost when switching back to the Visual Editor with the keyboard shortcut. Changes are now saved as you type.
    • Fixed: the highlighter did not start when a post opened directly in the Gutenberg Code Editor.
    • Fixed: undoing with the Gutenberg toolbar, or content changed by saving, now shows up in the Code Editor.
    • Fixed: Gutenberg Code Editor layout styles for WordPress 6.6 and later.
    • Fixed: turning off Line Wrap or Numbering did not stay off after reloading the page.
    • Fixed: the editor failed to start the first time a user opened it.
    • Fixed: JavaScript error in the Theme & Plugin editors. The built-in WordPress code editor is now switched off the supported way.
    • Fixed: duplicate element IDs in the Key Bindings options.
    • Security: settings are validated before they are saved, and all output is escaped.
    • The settings panel can now be translated.
    • Removed the old UX survey code.

20241 release

  1. HTML Editor Syntax Highlighter 2.4.4

    • Added about 15 new themes

20211 release

  1. HTML Editor Syntax Highlighter 2.4.3

    • Updated css for wordpress v5.8

20199 releases

  1. HTML Editor Syntax Highlighter 2.4.2

    • removing survey notice

  2. HTML Editor Syntax Highlighter 2.4.1

    • fixed bug: notification would not dismiss if the visual editor was open
    • fix bug: Setting Form can now submit from memory, not just when the dom is in the page.

  3. HTML Editor Syntax Highlighter 2.4.0

    • updating a major number so I can review downloads more accurately.
    • reorganized the codebase
    • Reverting the name-change of hesh.php This name-change of html-editor-syntax-highlighter.php to hesh.php caused the plugin to deactivate itself because the php file was missing. Reverting the name-change of hesh.php will cause this all over again, but hey.

  4. HTML Editor Syntax Highlighter 2.3.5

    • remove Github Updater headers
    • testing WP update Process

  5. HTML Editor Syntax Highlighter 2.3.4

    • fixing typo $this->$surveyLink to $this->surveyLink

  6. HTML Editor Syntax Highlighter 2.3.3

    • Updated Release process
    • Fix bug: #80 Only activate on pages where the editor will run
    • Added UX survey notice.

  7. HTML Editor Syntax Highlighter 2.3.2

    • added a seventh screenshot
    • removed smartIndent because its annoying
    • fixed gulp watch task
    • updated FAQ

  8. HTML Editor Syntax Highlighter 2.3.1

    • Fixing JS error in issue #81 (Hopefully?)
    • Updating authorship so James can get a job. Will revert to Peter Later…

  9. HTML Editor Syntax Highlighter 2.3.0

    • Support for Gutenberg Code Editor!
    • Added new themes: Codepen and WordPress (which is now the default).
    • Created new screenshots for the plugin page.
    • New Logo based on <W/>.
    • Updated FAQ with Gutenberg info.
    • Changed build steps to only export one .css and .js file

20184 releases

  1. HTML Editor Syntax Highlighter 2.2.6

    • added Gutenberg information after the update to WordPress version 5.0

  2. HTML Editor Syntax Highlighter 2.2.5

    • fixed bug: #75 removing f typo

  3. HTML Editor Syntax Highlighter 2.2.4

    • fixed bug: Allow Multiple Instances of CodeMirror on a page #71
    • fixed bug: js error when custom post type does not support ‘editor’ feature #62

  4. HTML Editor Syntax Highlighter 2.2.3

    • A patch for WP 4.9. No more double editors in theme/plugin editors.

20176 releases

  1. HTML Editor Syntax Highlighter 2.2.2

    • fixed bug: github updater in production issue #52
    • updated Codemirror to latest release version

  2. HTML Editor Syntax Highlighter 2.2.1

    • fixed bug: editor was not stopping when switching between visual editor and text editor

  3. HTML Editor Syntax Highlighter 2.2.0

    • added search & replace with dialog
    • added highlighting options
    • added auto-close tags and brackets option
    • added code-folding option
    • added scrollbars option
    • added keyMap options
    • added Default and None themes
    • fixed bug: made tab management agnostic to tab count and names – #50

  4. HTML Editor Syntax Highlighter 2.1.0

    • added search
    • add highlighting for <!--nextpage-->
    • fixed bug: Theme and Plugin Editor not working

  5. HTML Editor Syntax Highlighter 2.0.1

    • fixed bug: esc key weirdness
    • fixed bug: don’t steal editor focus from title on ‘Add New Post’
    • fixed bug: scrollbar appears in middle of text editor
    • fixed bug: toolbar can be too big

  6. HTML Editor Syntax Highlighter 2.0.0

    • now adjusts to the ‘Enable full-height editor and distraction-free functionality’ setting
    • syntax highlighting on Theme and Plugin Editor pages
    • fixed bug: native wp editor buttons work on content – no longer overwrites with emulating buttons
    • Settings:
    • added an extendable settings panel
    • saves settings to WordPress user profile
    • added more text customization settings
    • basically rewrote the whole codebase

20163 releases

  1. HTML Editor Syntax Highlighter 1.7.2

    • fixed bug: pre v5.4 php was causing an error – func_that_returns_array()['index'] syntax is not allowed
    • fixed bug: CodeMirror not initializing properly when new user tries to edit post for the first time
    • fixed bug: CodeMirror no longer trying to load on “All Posts” and “All Pages”
    • fixed bug: Font and theme were reset to default when switching to the visual editor and back

  2. HTML Editor Syntax Highlighter 1.7.1

    • fixed bug: return key would create two new lines and ignore indent
    • fixed bug: wp native “Add Media” button was not working
    • added version string to .css and .js resources for cache-busting purposes

  3. HTML Editor Syntax Highlighter 1.7.0

    • Ctrl-S / Cmd-S saving will now select “Save Draft” if the post has not been published yet
    • Switched to an npm and grunt.js based build so new versions of CodeMirror can be applied easier
    • Updated CodeMirror to its latest version
    • Fixed FireFox bug: <select> drop-down would not display due to ::active state transform property
    • Fixed bug: toolbar covering text at small screen width
    • Fixed bug: switchEditors is undefined
    • Updated Css for wp 4.5
    • Added all available CodeMirror themes
    • Added syntax highlighting:
    • for WordPress shortcodes
    • for <!--more--> tags and their variants
    • NEW CodeMirror modes: shortcode.js & wordpresspost.js
    • Now calling hesh.js in an anonymous wrapper so it won’t pollute the global namespace
    • Now initializing hesh.js in an async compliant way
    • Refactored php to enqueue javascript in the WordPress friendly way
    • Tested with WordPress 4.5.2
    • Tested in all modern desktop browsers on OSX and Windows 10

20156 releases

  1. HTML Editor Syntax Highlighter 1.6.9

  2. HTML Editor Syntax Highlighter 1.6.8

  3. HTML Editor Syntax Highlighter 1.6.7

  4. HTML Editor Syntax Highlighter 1.6.6

  5. HTML Editor Syntax Highlighter 1.6.5

  6. HTML Editor Syntax Highlighter 1.6.4

20148 releases

  1. HTML Editor Syntax Highlighter 1.6.3

  2. HTML Editor Syntax Highlighter 1.6.2

  3. HTML Editor Syntax Highlighter 1.6.1

  4. HTML Editor Syntax Highlighter 1.6.0

  5. HTML Editor Syntax Highlighter 1.5.0

  6. HTML Editor Syntax Highlighter 1.4.8

  7. HTML Editor Syntax Highlighter 1.4.7

  8. HTML Editor Syntax Highlighter 1.4.6

20139 releases

  1. HTML Editor Syntax Highlighter 1.4.4

  2. HTML Editor Syntax Highlighter 1.4.3

  3. HTML Editor Syntax Highlighter 1.4.2

  4. HTML Editor Syntax Highlighter 1.4.1

  5. HTML Editor Syntax Highlighter 1.4.0

  6. HTML Editor Syntax Highlighter 1.3.2

  7. HTML Editor Syntax Highlighter 1.3.1

  8. HTML Editor Syntax Highlighter 1.3.0

  9. HTML Editor Syntax Highlighter 1.2.1

Questions about HTML Editor Syntax Highlighter’s releases

What is the latest version of HTML Editor Syntax Highlighter?

3.0.0, released on Nov 8, 2026 (1 day ago). It’s tested up to WordPress 7.1.4 and needs PHP 7.4 or later.

How often is HTML Editor Syntax Highlighter updated?

2 releases in the last year, about one every 17 days. Its first release on WordPress.org dates from February 2013.

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Release dates come from the day each version’s folder was made in HTML Editor Syntax Highlighter’s WordPress.org SVN repository; the notes from its readme’s changelog, as its authors wrote it.