Sigil-1.7.0 represents a mix of bug fixes and new features for both epub2 and epub3.

Windows x86 download
Windows x64 download
MacOS download

Bug Fixes

  • Workaround to ensure the Saved Searches Controls editor widget is movable on all platforms
  • Make the External Xhtml Editor Button/Feature work with both PageEdit and non-PageEdit editors again
  • Fix Preview sync when CV transitions from xhtml to css and back to xhtml
  • Fix Preview sync when Find and Replace opens new tab with search target
  • Fix Preview sync when Validation error clicked on
  • Fix Preview sync when mathml is being used (compensate for mathjax changes)
  • Fix mathml use when external MathJax directory is specified in builds on Linux
  • Prevent Sigil from loading any manifested mimetype file from bad epubs, give load warning
  • Make Spellcheck dialog use double-click to control search in CV, to speed paging word list.
  • Prevent duplicate translated semantic names
  • Fix heading tool issues after self-closed BLOCK tags
  • Prevent stack overflow crashes in pcre lib due to recursion with some valid regex
  • Fix second window opening on macOS when first launching app with file
  • Remove [other.] semantic indicators for epub2
  • Fix crash in CSS Selectors Report when using Filters

New Features:

  • added Find Replace Regular Expression validator
  • added SIGIL_DISABLE_VERSION_META environment variable to control writing of Sigil Version
  • enable JIT compiler for pcre library to improve regex look-up performance
  • update the pcre library to version 8.45 (Final EOL)


The latest version of the Sigil User Guide can always be downloaded from the Sigil website, or from its own GitHub repository.

Three new e-Reader plugins for Sigil have been built to help users see what their ebook might look like in real e-readers while still inside Sigil. See this post for descriptions and links.

Please check the Sigil website for important Sigil support links, additional resource downloads, and platform-specific trouble-shooting tips/requirements.

Mac users should still download and install ActiveState’s ActiveTcl Community Edition to utilize plugins that use Tk/Tcl GUIs. More here.

Mac users should also check out the website entry on the New Release File Format.

PGP Fingerprint (for signed tags and source archives): B5A5 6206 AB0F BC1A 24EF AB8A A166 D29A 8FCD AC63

All binary (and source) downloads can also be found as assets at the bottom of The Sigil-1.7.0 Github Release page.