Changes and updates

  • Update Tor Browser to 10.5.4.

  • Update Thunderbird to 78.12

Fixed problems

  • Prevent Tails Installer from deleting a Persistent Storage when doing a manual upgrade and choosing Cancel in the confirmation dialog. (#18494)

For more details, read our changelog.

Known issues

None specific to this release.

See the list of long-standing issues.

Get Tails 4.21

To upgrade your Tails USB stick and keep your Persistent Storage

  • Automatic upgrades are available from Tails 4.19 or later to 4.21.

  • If you cannot do an automatic upgrade or if Tails fails to start after an automatic upgrade, please try to do a manual upgrade.

To install Tails on a new USB stick

Follow our installation instructions:

The Persistent Storage on the USB stick will be lost if you install instead of upgrading.

To download only

If you don't need installation or upgrade instructions, you can download Tails 4.21 directly:

What's coming up?

Tails 4.22 is scheduled for September 7.