Install Sigil Epub Ebook Editor on Linux Ubuntu Systems. Sigil 0.9.12 is the latest release of Sigil Epub Ebook Editor. This Sigil release is primarily to address bugs introduced by the upgrade to Qt5.11.2 and Python 3.7 in the previous release. Sigil-0.9.12 still enforces the need for epub3 to have and support an NCX so that it generates as backward a compatible epub as possible. This may be relaxed in future releases.
It must be noted that few days ago Sigil-0.9.11 was released. This Sigil release is a mix of bug fixes and new features for both
epub2 and epub3 users. Some of the highlights for this release include:
Bug Fixes
- after mend and prettify – put cursor at enclosing tag if possible
- allow both links in Preview and clicking in Preview to reposition CV
- fix new cursor repositioning under new tab ala Spellcheck
- fix prettyprinting of the mark tag in gumbo and sigil_bs4
- fix crash when tagname illegally (for xhtml) includes single or double quotes
- fix crash in Reports for non-wellformed xhtml that was okay under html5
- fix deletion of multiple css files when Book View is open (Windows)
- fix bug in reformat CSS with media queries
- fix bug in closing some tabs needlessly when linking stylesheets
- fix crash bug in gumbo parser under very strange circumstances
- remove empty guide elements in epub2 opf as epubcheck now flags these
- fix issue with index generation reordering spine entries under certain conditions
New Features
- update official builds to use Qt 5.11.2 and Python 3.7
- update internal Python modules to use latest versions
- update Sigil’s gumbo parser to fix all known bugs and greatly speedup parsing
- embed new project css_parser (fork of cssutils) as a python library to fix css parsing
- Sigil no longer attempts to upgrade the VC++ runtime on Windows. It only installs the
bundled VC++ runtime if there is no compatible version already installed - add support for internal but unmanifested opf metadata link resources under epub3
- extend “Open With” context menu to allow up to 5 external editors per resource type
- make format of all Sigil ini files to be utf-8 encoded to more easily allow user changes
Install Sigil Epub Ebook Editor
Run the following commands in terminal to install Sigil 0.9.12 in Ubuntu Linux Systems:
sudo add-apt-repository ppa:ubuntuhandbook1/sigil
sudo apt update
sudo apt install sigil
Once installed, open Sigil 0.9.11 from Ubuntu Dash or Terminal.
NOTE: before upgrading to Sigil-0.9.12, please make and save a backup of your preferences files. There is no issue with the conversion moving forward, but if, for whatever reason, you need to roll back to an earlier version of Sigil, utf-8 encoded unicode characters in your ini files will not work with earlier versions of Sigil. So please be safe and make a backup just in case.