Official

Release2020-04-27

Name	Current	Release Date	Support	Comment	Latest	Release Date	Upgrade		Official	Deprecated
Red Hat Enterprise Linux 7 [1][2]	7.69	20182020-10-30	2021-05-31	7.8	2020-03-31	-	CentOS [1]	7.6	2018-12-03	7.7 Release	7.8	09	2024-06	RHEL support ended	-	-	2018APR	2024JUN
CentOS 7 [1]	7.9	2020-09	2024-06	CentOS discontinued		-	-	-	2024JUN
Red Hat Enterprise Linux 8 [1][2]	8.5	2021-11	2022-06	Short-term support release	8.10	2024-05	2025APR	2022FEB	-
CentOS Stream 8 [1]	8.R	2021-11	2024-06	Rolling release up-to RHEL 8.10		-	-	-	-

Upcoming

Name	Current	Release Date	Support	Status	Comment	Latest	Release Date	Upgrade	Official	Deprecated
Red Hat Enterprise Linux 9 [1][2]	89.24	20202024-04-28	2022-04-30			-	CentOS [1]	8.2	2020-06-15	8.3 Release	2026-06	Long-term support release	-	-	-	-
CentOS Stream 9 [1]	9.R	2021-11	2027-06		Rolling release up-to RHEL 9.10		-	-	-	-
Red Hat Enterprise Linux 10 [1][2]	10.0	-	-	-	Long-term support release	-	-	-	-	-
CentOS Stream 10 [1]	-	-	-	-	Rolling release up-to RHEL 10.10	-	-	-	-	-

~2021-23...

Name	Current	Release Date	Support	Status	Compatibility	Release Date	Compatible	Deprecated
Fedora	32	2020-04-28	2021-04			-	-	-
Fedora	33	-	-	-	-	-	-	-
Fedora	34	-	-	-	-	-	-	-
Fedora	35	-	-	-	-	-	-	-
Fedora	36	-	-	-	-	-	-	-
Ubuntu	20.04	2020-04		2025-04			-	-	-
Ubuntu	22.04	-	-	-	-	-	-	-
Debian	10	-	-	-	-	-	-	-
Debian	11	-	-	-	-	-	-	-

Name	Current	Release Date	Support	Comment	Release Date
Cygwin	3.1.6	2020-07-09	-	Whole ACS working long ago	-
Subsystem for Linux (WSL)	2	-	-	Linux Kernel on top of Windows. No actual tests	-
NT	10.0 (2004)	2015-07-15	2021-12-14	ExtProds + Tools were built long ago	-

...

Name	Current	Release Date	Support	Status	Compatibility	Comment	Latest	Release Date
VxWorks (WindRiver)	6.79	~20112009-02-04	-			Used at APEX Observatory	7 (650)	2020-07-20