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132 lines
6.4 KiB
Markdown
132 lines
6.4 KiB
Markdown
---
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lang: en
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layout: doc
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permalink: /doc/supported-versions/
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ref: 154
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title: Supported Versions
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---
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This page details the level and period of support for versions of operating
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systems in the Qubes ecosystem.
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## Qubes OS
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Qubes OS releases are supported for **six months** after each subsequent major
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or minor release (see [Version Scheme](/doc/version-scheme/)). The current
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release and past major releases are always available on the
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[Downloads](/downloads/) page, while all ISOs, including past minor releases,
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are available from our [download mirrors](/downloads/#mirrors).
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| Qubes OS | Start Date | End Date | Status |
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| ----------- | ---------- | ---------- | --------------------- |
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| Release 1 | 2012-09-03 | 2015-03-26 | Unsupported |
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| Release 2 | 2014-09-26 | 2016-04-01 | Unsupported |
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| Release 3.0 | 2015-10-01 | 2016-09-09 | Unsupported |
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| Release 3.1 | 2016-03-09 | 2017-03-29 | Unsupported |
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| Release 3.2 | 2016-09-29 | 2019-03-28 | Unsupported |
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| Release 4.0 | 2018-03-28 | TBA | Supported |
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| Release 4.1 | TBA | TBA | [In development](https://github.com/QubesOS/qubes-issues/issues?utf8=%E2%9C%93&q=is%3Aissue+milestone%3A%22Release+4.1%22+) |
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### Note on point releases
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Please note that point releases, such as 3.2.1 and 4.0.1, do not designate
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separate, new versions of Qubes OS. Rather, they designate their respective
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major or minor releases, such as 3.2 and 4.0, inclusive of all package updates
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up to a certain point. For example, installing Release 4.0 and fully updating
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it results in the same system as installing Release 4.0.1. Therefore, point
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releases are not displayed as separate rows on any of the tables on this page.
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## Dom0
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The table below shows the OS used for dom0 in each Qubes OS release.
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| Qubes OS | Dom0 OS |
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| ----------- | --------- |
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| Release 1 | Fedora 13 |
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| Release 2 | Fedora 18 |
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| Release 3.0 | Fedora 20 |
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| Release 3.1 | Fedora 20 |
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| Release 3.2 | Fedora 23 |
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| Release 4.0 | Fedora 25 |
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| Release 4.1 | Fedora 32 |
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### Note on dom0 and EOL
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Dom0 is isolated from domUs. DomUs can access only a few interfaces, such as
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Xen, device backends (in the dom0 kernel and in other VMs, such as the NetVM),
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and Qubes tools (gui-daemon, qrexec-daemon, etc.). These components are
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[security-critical](/doc/security-critical-code/), and we provide updates for
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all of them (when necessary), regardless of the support status of the base
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distribution. For this reason, we consider it safe to continue using a given
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base distribution in dom0 even after it has reached end-of-life (EOL).
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## Templates
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The following table shows select [template](/doc/templates/) versions that are
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currently supported. Currently, only [Fedora](/doc/templates/fedora/) and
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[Debian](/doc/templates/debian/) templates are officially supported by the
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Qubes OS Project. [Whonix](https://www.whonix.org/wiki/Qubes) templates are
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supported by our partner, the [Whonix Project](https://www.whonix.org/). Qubes
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support for each template ends when that upstream release reaches end-of-life
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(EOL). Please see below for distribution-specific notes.
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It is the responsibility of each distribution to clearly notify its users in
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advance of its own EOL dates, and it is users' responsibility to heed these
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notices by upgrading to supported releases. As a courtesy to Qubes users, we
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attempt to pass along any upstream EOL notices we receive for
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officially-supported templates, but our ability to do this reliably is
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dependent on the upstream distribution's practices. If a distribution provides
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a mailing list similar to [qubes-announce](/support/#qubes-announce), which
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allows us to receive only very important, infrequent messages, including EOL
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announcements, we are much more likely to be able to pass along EOL notices to
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Qubes users reliably. Qubes users can always check the EOL status of an
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upstream release on the upstream distribution's website (see [Fedora
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EOL](https://fedoraproject.org/wiki/End_of_life) and [Debian
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Releases](https://wiki.debian.org/DebianReleases)).
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| Qubes OS | Fedora | Debian | Whonix |
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| ----------- | ------ | ---------------------------------------- | ------ |
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| Release 4.0 | 33 | 9 ("stretch"),<sup>*</sup> 10 ("buster") | 15 |
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| Release 4.1 | 33 | 10 ("buster") | 15 |
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<sup>\*</sup> Although Debian 9 has reached regular EOL and is now in
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[LTS](https://wiki.debian.org/LTS), we continue to support it for Qubes R4.0.
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This is a *temporary* exception to our [policy](#note-on-debian-support) of
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ending Qubes support at each Debian release's *regular* (not LTS) EOL date,
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since this policy was introduced after the release of Qubes R4.0. In Qubes R4.1
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and beyond, Qubes support for each Debian release will end when that release
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reaches regular EOL and will not extend into LTS.
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### Note on Debian support
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Debian releases have two EOL dates: regular and [long-term support
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(LTS)](https://wiki.debian.org/LTS). See [Debian Production
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Releases](https://wiki.debian.org/DebianReleases#Production_Releases) for a
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chart that illustrates this. Qubes support ends at the *regular* EOL date,
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*not* the LTS EOL date, unless a specific exception has been made.
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### Note on Whonix support
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[Whonix](https://www.whonix.org/wiki/Qubes) templates are supported by our
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partner, the [Whonix Project](https://www.whonix.org/). The Whonix Project has
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set its own support policy for Whonix templates in Qubes.
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This policy requires Whonix template users to stay reasonably close to the
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cutting edge by upgrading to new stable versions of Qubes OS and Whonix
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templates within a month of their respective releases. To be precise:
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* One month after a new stable version of Qubes OS is released, Whonix
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templates will no longer be supported on any older version of Qubes OS. This
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means that users who wish to continue using Whonix templates on Qubes must
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always upgrade to the latest stable Qubes OS version within one month of its
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release.
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* One month after new stable versions of Whonix templates are released, older
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versions of Whonix templates will no longer be supported. This means that
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users who wish to continue using Whonix templates on Qubes must always
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upgrade to the latest stable Whonix template versions within one month of
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their release.
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We aim to announce both types of events one month in advance in order to remind
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users to upgrade.
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