* added an option to discard pinned tabs on browser startup to workaround a bug with pinned tabs having a discarded state of false when 'browser.sessionstore.restore_pinned_tabs_on_demand' is set to true.

* fixed an issue where the extension no longer updated discarded tabs restored from a previous session.

* Changed method to update tab as previous method wasn't always reliable.
* Added ability to import, export, or reset options.
* Added menu items 'Always update tab' and 'Never update tab' to toolbar button menu.
* Added option to add menu items to page menus.
* Moved Options page to a separate tab.
* Options page background color can be now set to dark/light/auto.

v. 1.3

* Minor code improvement.

v. 1.2

* Bug fix.

v. 1.0.9

* Minimum version required to install this extension bumped to Firefox 88 (a Firefox bug giving extensions incorrect URLs for discarded tabs was fixed in 88).
* Updated code to take into account this bug fix.
* The 'Access your data for all websites' permission is no longer used.
* Options background color now matches operating system dark or light theme.
* Changed on/off icons.