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.
1) It allows you to save all the open URL(s) and open all of them in one click
Do you have web sites that you visit regularly, like news and social media? Do you want to open all of them in one click? Then this extension is for you! It allows you to easily open multiple URLs / web sites in new tabs at once.
2) Extended email support to Mozilla Thunderbird. So now extension support default mail clients such as Microsoft Outlook, Mozilla Thunderbird and so on.