Thunderbird email client 60 stable is finally available via Mozilla Team Stable PPA for Ubuntu 18.04, Ubuntu 16.04, Ubuntu 14.04, Ubuntu 18.10, and their derivatives.

Thunderbird 60 was released one month and a half ago with following exciting new features:

• New application logo
• New “Photon” UI with rectangular tabs
• Optional ‘light’ and ‘dark’ themes
• Supports WebExtensions
• New “Add-on Options” in Tools menu
• Calendar events now display location
• Native notifications on Linux
• Improved email attachment UX
• Compose window has button to delete email recipient(s)
• Set the update interval for individual RSS feeds
• OAuth2 authentication for Yahoo and AOL
• FIDO U2F support

How to Install Thunderbird 60 in Ubuntu via PPA:

Open terminal either via Ctrl+Alt+T keyboard shortcut or by searching for ‘terminal’ from software launcher. When it opens, do following steps to add the Mozilla Team PPA and install Thunderbird 60.

1. Paste the command in terminal and hit run to add the PPA:

sudo add-apt-repository ppa:mozillateam/ppa

Type your password (no asterisks feedback) when it prompts and hit Enter.

2. Then launch Software Updater and you’ll see the software updates after checking for update.

Or run following command one by one to refresh repository cache and install software updates:

sudo apt-get update

sudo apt-get dist-upgrade

Uninstall:

To downgrade Thunderbird to the stock version in Ubuntu universe repository, run command to purge the PPA:

sudo apt-get install ppa-purge && sudo ppa-purge ppa:mozillateam/ppa