This release fixes
[?](
https://tails.boum.org/ikiwiki.cgi?do=create&from=news%2Fversion_3.12&page=security%2FNumerous_security_holes_in_3.11)many
security vulnerabilities. You should upgrade as soon as possible.
# Changes
## New features
### New installation methods
The biggest news for 3.12 is that we completely changed the installation
methods for Tails.
In short, instead of downloading an ISO image (a format originally designed
for CDs), you now download Tails as a **USB image**: an image of the data as
it needs to be written to the USB stick.
* [For macOS](
https://tails.boum.org/install/mac/usb-overview/index.en.html), the new method is much simpler as it uses a graphical tool ([_Etcher_](
https://www.balena.io/etcher/)) instead of the command line.
* [For Windows](
https://tails.boum.org/install/win/usb-overview/index.en.html), the new method is much faster as it doesn't require 2 USB sticks and an intermediary Tails anymore. The resulting USB stick also works better on newer computers with UEFI.
* [For Debian and Ubuntu](
https://tails.boum.org/install/linux/usb-overview/index.en.html), the new method uses a native application (_GNOME Disks_) and you don't have to install _Tails Installer_ anymore.
* [For other Linux distributions](
https://tails.boum.org/install/linux/usb-overview/index.en.html), the new method is faster as it doesn't require 2 USB sticks and an intermediary Tails anymore.
We are still providing ISO images for people using DVDs or virtual machines.
The methods for upgrading Tails remain the same.
## Upgrades and changes
* Starting Tails should be a bit faster on most machines. ([#15915](
https://redmine.tails.boum.org/code/issues/15915))
* Tell users to use sudo when they try to use su on the command line.
### Included software
* Update Linux to 4.19. Update Intel and AMD microcodes and most firmware packages. This should improve the support for newer hardware (graphics, Wi-Fi, etc.).
* Remove _Liferea_, as announced in [Tails 3.9](
https://tails.boum.org/news/version_3.9/index.en.html).
* Update _Tor Browser_ to 8.0.5.
* Update _Thunderbird_ to [60.4.0](
https://www.thunderbird.net/en-US/thunderbird/60.4.0/releasenotes/).
## Fixed problems
* Fix the black screen when starting Tails with some Intel graphics cards. ([#16224](
https://redmine.tails.boum.org/code/issues/16224))
For more details, read our [changelog](
https://git-
tails.immerda.ch/tails/plain/debian/changelog).
# Known issues
See also the list of [long-standing
issues](
https://tails.boum.org/support/known_issues/index.en.html).
### Tails fails to start a second time on some computers
([#16389](
https://redmine.tails.boum.org/code/issues/16389))
On some computers, after installing Tails to a USB stick, Tails starts a first
time but fails to start a second time. In some cases, only BIOS (Legacy) was
affected and the USB stick was not listed in the Boot Menu.
We are still investigating the issue, so if it happens to you, please report
your findings by email to [tails-testers@???](mailto:tails-
testers@???). Mention the model of the computer and the USB stick. This
mailing list is [archived publicly](
https://lists.autistici.org/list/tails-
testers.html).
To fix this issue:
1. Reinstall your USB stick using the same installation method.
2. Start Tails for the first time and [set up an administration password](
https://tails.boum.org/doc/first_steps/startup_options/administration_password/index.en.html).
3. Choose Applications ▸ System Tools ▸ Root Terminal to open a Root Terminal.
4. Execute the following command:
sgdisk --recompute-chs /dev/bilibop
You can also test an experimental image:
1. [Download the _.img_ file from our development server](
https://nightly.tails.boum.org/build_Tails_ISO_bugfix-16389-recompute-chs/lastSuccessful/archive/build-artifacts/).
2. Install it using the same installation methods.
We don't provide any OpenPGP signature or other verification technique for
this test image. Please only use it for testing.
# Get Tails 3.12
* To install, follow our [installation instructions](
https://tails.boum.org/install/index.en.html).
* To upgrade, automatic upgrades are available from 3.10, 3.10.1, 3.11, and 3.12~rc1 to 3.12.
If you cannot do an automatic upgrade or if Tails fails to start after an
automatic upgrade, please try to do a [manual
upgrade](
https://tails.boum.org/upgrade/index.en.html).
* Download Tails 3.12:
* [For USB sticks (USB image)](https://tails.boum.org/install/download/index.en.html)
* [For DVDs and virtual machines (ISO image)](https://tails.boum.org/install/download-iso/index.en.html)
# What's coming up?
Tails 3.13 is [scheduled](
https://tails.boum.org/contribute/calendar/) for
March 19.
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?r=3.12) 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_3.12/index.en.html
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