Windows x64 download
MacOS (Arm64) download
MacOS (Intel) download

Sigil version 2.1.0 represents a mix of bug fixes and new features. We strongly recommend updating to the latest release of Sigil as it includes a large number of third party security fixes.

New Features

  • assign menu accelerators P - &Plugins, and K - Chec&kpoints (thank you BeckyEbook)
  • add ability to change keyboard focus using keyboard shortcuts or menus to BookBrowser, Preview, CodeView, ClipsWindow, and TableOfContents Windows
  • preserve Media Overlay Active Classes when deleting unused classes
  • Goto Link Or Style (or Ctrl-Clicking on a class will now search selectors with combinators if nothing found in normal css classes
  • update to a newer Spanish hunspell dictionary
  • overhaul of Building on Linux documentation
  • update 3rdparty zlib to version 1.3.1 for security and other bug fixes
  • update 3rdparty pcre2 to version 10.43 for security and other bug fixes
  • update to Qt 6.6.2 for security fixes, accessibility improvements
  • allow cancelling of Save if mend on save set and not well formed
  • Windows users can now set the SIGIL_USE_FREETYPE_FONTENGINE environment variable to more fully support woff and woff2 fonts

Bug Fixes

  • multiple bug fixes from Qt 6.6.2 such as the transient child window resize bug on Windows, etc
  • fix QuickParser bug when parsing attribute names not properly ignoring all legal whitespace
  • make OPF parsing robust to alternative whitespace usage as well
  • fix creation of thumbnails of svg images in SelectFiles and Image Report for macOS
  • fix svg rendering in QtSvg by filtering out desc and title tags inside text tags pre-rendering
  • fix Python plugin to better handle svg mixed case tag names
  • better handle cancelling out of plugins prior to their completion
  • better handle Guide/Landmark title translations (thank you BeckyEbook)
  • clean up cmake and build warnings
  • fix crash on Windows when using woff/woff2 fonts


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

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

The MacOS builds are signed but they are NOT notarized. See this PageEdit/Sigil issue for more information.

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-2.1.0 Github Release page.