qubes-doc/installing/supported-versions.md

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doc	Supported Versions	/doc/supported-versions/

Supported Versions

Qubes OS

Qubes OS releases are supported for six months after each subsequent major or minor release. The version scheme is explained here. All available current and past downloads can be found here.

Qubes OS Version	Start Date	End Date	Status
Release 1	2012-09-03	2015-03-26	Old, unsupported
Release 2	2014-09-26	2016-04-01	Old, unsupported
Release 3.0	2015-10-01	2016-09-09	Old, supported
Release 3.1	2016-03-09	TBA	Current, supported
Release 4.0	TBA	TBA	In development

Templates

The table below shows the template versions supported by each Qubes OS release. Currently, only Fedora and Debian templates are officially supported.

Qubes OS Version	Fedora Versions	Debian Versions
Release 1	18, 20	None
Release 2	21	None
Release 3.0	21, 22*, 23	7 ("wheezy")*, 8 ("jessie")
Release 3.1	21, 22*, 23	7 ("wheezy")*, 8 ("jessie"), 9 ("stretch")*
Release 3.2	TBA	TBA
Release 4.0	TBA	TBA

* Denotes versions for which we have published the packages but have not done extensive testing.