Software Update: Tails 4.20

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Tails stands for “The amnesic incognito live system” and is a live Linux distribution that focuses on privacy and anonymity. It uses Debian GNU/Linux as its base and adds a Gnome environment with Tor, Tor Browser, Pidgin, Thunderbird, Electrum, LibreOffice, GPG and KeePassXC. For more information, please refer to this page. The development team has released version 4.20 with the following changes and improvements:

Tor Connection assistant

Tails 4.20 completely changes how to connect to the Tor network from Tails. After connecting to a local network, a Tor Connection assistant helps you connect to the Tor network. This new assistant is most useful for users who are at high risk of physical surveillance, under heavy network censorship, or on a poor Internet connection:

  • It protects better the users who need to go unnoticed if using Tor could look suspicious to someone who monitors their Internet connection (parental control, abusive partner, school or work network, etc.).
  • It allows people who need to connect to Tor using bridges to configure them without having to change the default configuration in the Welcome Screen.
  • It helps first-time users understand how to connect to a local Wi-Fi network.
  • It provides feedback while connecting to Tor and helps troubleshoot network problems.

We know that this assistant is still far from being perfect, even if we have been working on this assistant since February. If anything is unclear, confusing, or not working as you would expect, please send your feedback to [email protected] (public mailing list).

This first release of the Tor Connection assistant is only a first step. We will add more improvements to it in the coming months to:

  • Save Tor bridges to the Persistent Storage (#5461)
  • Help detect when Wi-Fi is not working (#14534)
  • Detect if you have to sign in to the local network using a captive portal (#5785)
  • Synchronize the clock to make it easier to use Tor bridges in Asia (#15548)
  • Make it easier to learn about new Tor bridges (#18219, #15331)

Changes and updates

  • Update OnionShare from 1.3.2 to 2.2.
    This major update adds a feature to host a website accessible from a Toronion service.
  • Update KeePassXC from 2.5.4 to 2.6.2.
    This major update comes with a redesign of the interface.
  • Update Tor Browser to 10.5.2.
  • Update Thunderbird to 78.11.0.
  • Update Tor to
  • Update the Linux kernel to 5.10.46. This should improve the support for newer hardware (graphics, Wi-Fi, and so on).
  • Rename MAC address spoofing as MAC address anonymization in the Welcome Screen.

Fixed problems Automatic upgrades

  • Made the download of upgrades and the handling of errors more robust. (#18162)
  • Display an error message when failing to check for available upgrades. (#18238)

Tails Installer

  • Made the display of the Reinstall button more robust. (#18300)
  • Make the Install and Upgrade unavailable after a USB stick is removed. (#18346)

For more details, read our changelog.

Version number 4.20
Release status Final
Operating systems Linux
Website tails
License type Conditions (GNU/BSD/etc.)
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