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[[!meta title="Tails 4.5 is out"]]
[[!meta date="Tue, 07 Apr 2020 12:34:56 +0000"]]
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[[!pagetemplate template="news.tmpl"]]
[[!tag announce]]
[[!tag announce]]
This release fixes [[many security vulnerabilities|security/Numerous_security_holes_in_4.4.1]]. You should upgrade as soon as possible.
[[!toc levels=2]]
[[!toc levels=2]]
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
<a id="known-issues"></a>
<a id="known-issues"></a>
Known issues مشکلات شناسایی‌شده
None specific to this release.
See the list of [[long-standing issues|support/known_issues]].