Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
- time delay when opening pages
- scan all pages from sidebar (without manually selecting)
- option to strip page styles (CSS)
- check known pages for changes (no schedule, not in background, will open a tab)
- make support for additional permissions / advanced features more explicit
Bugfixes for Firefox 52 ESR,