This release fixes [many security issues](
https://tails.boum.org/security/Nume
rous_security_holes_in_2.7.1/index.en.html) and users should upgrade as soon
as possible.
# Changes
## Upgrades and changes
* Upgrade _Tor_ to 0.2.8.10.
* Upgrade _Tor Browser_ to 6.0.8.
* Upgrade _Icedove_ to [45.5.1](
https://www.mozilla.org/en-US/thunderbird/45.1.1/releasenotes/).
* Upgrade _obfs4proxy_ to 0.0.7.
* Switch to _DuckDuckGo_ as the default search engine in _Tor Browser_. The previous default search engine, _Disconnect.me_, has already been redirecting to _Duck Duck Go_ for some time.
## Fixed problems
* Fix Tails not starting in _VirtualBox_ by upgrading the _Guest Additions_ to version 5.1.8. ([#11965](
https://labs.riseup.net/code/issues/11965))
* Document that **[I/O APIC** is required to start Tails in _VirtualBox_](
https://tails.boum.org/support/known_issues/index.en.html#vb-apic).
* Remove the error when starting _Videos_ that appeared in Tails 2.7 by fixing the _AppArmor_ profile of _Totem_. ([#11984](
https://labs.riseup.net/code/issues/11984))
For more details, read our [changelog](
https://git-
tails.immerda.ch/tails/plain/debian/changelog).
# Known issues
None specific to this release.
See the list of [long-standing
issues](
https://tails.boum.org/support/known_issues/index.en.html).
# Get Tails 2.9.1
* To install, follow our [installation instructions](
https://tails.boum.org/install/index.en.html).
* To upgrade, an automatic upgrade is available from 2.7 and 2.7.1 to 2.9.1.
If you cannot do an automatic upgrade or if you fail to start after an
automatic upgrade, please try to do a [manual
upgrade](
https://tails.boum.org/upgrade/index.en.html).
* [Download Tails 2.9.1.](
https://tails.boum.org/install/download/index.en.html)
# What's coming up?
Tails 2.10 is [scheduled](
https://tails.boum.org/contribute/calendar/) for
January 24.
Have a look at our [roadmap](
https://tails.boum.org/contribute/roadmap) to see
where we are heading to.
We need your help and there are many ways to [contribute to
Tails](
https://tails.boum.org/contribute/index.en.html)
([donating](
https://tails.boum.org/donate/index.en.html#2.9.1) is only one of
them). Come [talk to us](
https://tails.boum.org/about/contact/index.en.html
#tails-dev)!
URL:
https://tails.boum.org/news/version_2.9.1/index.en.html
