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[[!meta title="Tails 4.5 is out"]]
[[!meta date="Tue, 07 Apr 2020 12:34:56 +0000"]]
This release fixes [[many security vulnerabilities|security/Numerous_security_holes_in_4.4.1]]. You should upgrade as soon as possible.
New features
Secure Boot
Tails now starts on computers with Secure Boot enabled.
If your Mac displays the following error:
<pre>Security settings do not allow this Mac to use an external startup disk.</pre>
<p>Then you have to change the settings of the <em>Startup Security
Utility</em> of your Mac to authorize
starting from Tails.</p>
Changes and updates
- Update *Tor Browser* to [9.0.9](https://blog.torproject.org/new-release-tor-browser-909).
This update fixes several [[!mfsa 2020-13 desc="vulnerabilities"]] in
*Firefox*, including [[!mfsa 2020-11 desc="some critical ones"]].
Mozilla is aware of targeted attacks in the wild abusing these
None specific to this release.
See the list of [[long-standing issues|support/known_issues]].
Get Tails 4.5
To upgrade your Tails USB stick and keep your persistent storage
- Automatic upgrades are available from Tails 4.2 or later to 4.5.
If you cannot do an automatic upgrade or if Tails fails to start after an automatic upgrade, please try to do a [[manual upgrade|doc/upgrade/#manual]].
To install Tails on a new USB stick