New: We have polished your onboarding experience and made it easy to connect with your existing online calendars and addressbooks (more below). Setting up your existing email address with Thunderbird has never been easier. Getting started with Thunderbird is easy! New: Welcome Latvian as the most recently added language!

Existing installations of Thunderbird will be updated automatically in due time. Thunderbird 91 is available in many different languages from the Thunderbird homepage, translated by the community. Get Thunderbird in your language! Welcome Latvian!

25 FileLink: WeTransfer support removed, but you can still send large attachments through the cloud.

24 Chat: Fixes and improvements under the hood.23 Chat: Image-based emoticons replaced with Unicode characters.22 Chat: Default server for new chat accounts changed to libera.chat.21 Calendar and Tasks: Undo and Redo support added for events and tasks.20 Calendar: New per-calendar and global notification settings.18 OpenPGP: New actions for copying key IDs and fingerprints.17 OpenPGP: Sending encrypted messages to Bcc recipients now possible with a caveat.16 Options renamed to Preferences under Windows for cross-OS consistency.15 Control the density of Thunderbird's user interface.14 Themed to please: Choose your colors!.13 New one-stop print dialog with integrated preview and settings.12 Convenience without bells and whistles: New integrated PDF viewer.11 New Redirect action for direct forwarding of a message.10 New Remove Text Styling button and updated icons on Formatting Bar.9 New user interface for adding attachments.8 Privacy and data protection made simple: New public bulk mail notification.7 Efficiency where you need it most: Improved addressing area for new messages.6 Native support for macOS devices built with Apple Silicon.5 Have your favorite views on email, your way!.4 Take control of your email experience: Your accounts, your order!.3 Simply connect to your existing online address books and calendars: CardDAV and CalDAV support and auto-detection added.2 Getting started with Thunderbird is easy!.

1 Get Thunderbird in your language! Welcome Latvian!.

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