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Updated Supported Versions page

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- Add brief intro
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- Clarify Whonix information
- Link to Whonix Project website
- Link to Fedora and Debian pages
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@ -4,11 +4,13 @@ title: Supported Versions
permalink: /doc/supported-versions/
---
Supported Versions
==================
# Supported Versions
This page details the level and period of support for versions of operating systems in the Qubes ecosystem.
## Qubes OS
Qubes OS
--------
Qubes OS releases are supported for **six months** after each subsequent major
or minor release (see [Version Scheme]). The current release and past major
releases are always available on the [Downloads] page, while all ISOs, including
@ -24,17 +26,17 @@ past minor releases, are available from our [download mirrors].
| Release 4.0 | 2018-03-28 | TBA | Current, supported |
| Release 4.1 | TBA | TBA | [In development][4.1] |
### Note on point releases ###
Please note that point releases, such as 3.2.1 and 4.0.1, do not designate
separate, new versions of Qubes OS. Rather, they designate their respective
major or minor releases, such as 4.0 and 3.2, inclusive of all package updates
up to a certain point. For example, installing Release 4.0 and fully updating it
results in the same system as installing Release 4.0.1. Therefore, point
releases are not displayed as separate rows on any of the tables on this page.
### Note on point releases
Please note that point releases, such as 3.2.1 and 4.0.1, do not designate separate, new versions of Qubes OS.
Rather, they designate their respective major or minor releases, such as 4.0 and 3.2, inclusive of all package updates up to a certain point.
For example, installing Release 4.0 and fully updating it results in the same system as installing Release 4.0.1.
Therefore, point releases are not displayed as separate rows on any of the tables on this page.
## Dom0
Dom0
----
The table below shows the OS used for dom0 in each Qubes OS release.
| Qubes OS | Dom0 OS |
@ -46,21 +48,19 @@ The table below shows the OS used for dom0 in each Qubes OS release.
| Release 3.2 | Fedora 23 |
| Release 4.0 | Fedora 25 |
### Note on dom0 and EOL ###
Dom0 is isolated from domUs. DomUs can access only a few interfaces,
such as Xen, device backends (in the dom0 kernel and in other VMs, such as the
NetVM), and Qubes tools (gui-daemon, qrexec-daemon, etc.). These components are
[security-critical], and we provide updates for all of them (when necessary),
regardless of the support status of the base distribution. For this reason, we
consider it safe to continue using a given base distribution in dom0 even after
it has reached EOL (end-of-life).
### Note on dom0 and EOL
Dom0 is isolated from domUs. DomUs can access only a few interfaces, such as Xen, device backends (in the dom0 kernel and in other VMs, such as the NetVM), and Qubes tools (gui-daemon, qrexec-daemon, etc.).
These components are [security-critical], and we provide updates for all of them (when necessary), regardless of the support status of the base distribution.
For this reason, we consider it safe to continue using a given base distribution in dom0 even after it has reached EOL (end-of-life).
TemplateVMs
-----------
The table below shows the [TemplateVM] versions supported by each Qubes OS
release. Currently, only Fedora, Debian, and Whonix TemplateVMs are officially supported.
## TemplateVMs
The table below shows the [TemplateVM] versions supported by each Qubes OS release.
Currently, only [Fedora] and [Debian] TemplateVMs are officially supported by the Qubes OS Project.
[Whonix] TemplateVMs are supported by our partner, the [Whonix Project].
| Qubes OS | Fedora | Debian | Whonix |
| ------------- | ---------------------------- | --------------------------------------------- | ---------- |
@ -75,11 +75,12 @@ release. Currently, only Fedora, Debian, and Whonix TemplateVMs are officially s
extensive testing.
Whonix
------
### Note on Whonix support
[Whonix] is an advanced feature in Qubes OS.
Those who wish to use it must stay reasonably close to the cutting edge by upgrading to new stable versions of Qubes OS and Whonix TemplateVMs within a month of their respective releases.
[Whonix] TemplateVMs are supported by our partner, the [Whonix Project].
The Whonix Project has set its own support policy for Whonix TemplateVMs in Qubes.
This policy requires Whonix TemplateVM users to stay reasonably close to the cutting edge by upgrading to new stable versions of Qubes OS and Whonix TemplateVMs within a month of their respective releases.
To be precise:
* One month after a new stable version of Qubes OS is released, Whonix TemplateVMs will no longer be supported on any older version of Qubes OS.
@ -98,5 +99,8 @@ We aim to announce both types of events one month in advance in order to remind
[TemplateVM]: /doc/templates/
[extended support]: /news/2018/03/28/qubes-40/#the-past-and-the-future
[4.1]: https://github.com/QubesOS/qubes-issues/issues?utf8=%E2%9C%93&q=is%3Aissue+milestone%3A%22Release+4.1%22+
[Fedora]: /doc/templates/fedora/
[Debian]: /doc/templates/debian/
[Whonix]: /doc/whonix/
[Whonix Project]: https://www.whonix.org/