Legend

Healthy

Could be improved

Needs attention

Likely to be an issue in the future

Operating System

Name	Current	Release Date	Support	Comment	Latest	Release Date	Upgrade	Official	Deprecated
Red Hat Enterprise Linux [1][2]	7.9	2020-09	2024-06	RHEL support ended		-	-	2018APR	2024JUN
CentOS [1]	7.9	2020-09	2024-06	CentOS discontinued		-	-	-	2024JUN
Red Hat Enterprise Linux [1][2]	8.5	2021-11	2022-06	Short-term support release	8.10	2024-05	2025APR	2022FEB	-
CentOS Stream [1]	8	2021-11	2024-06	Rolling release up-to RHEL 8.10		-	-	-	-

Name	Current	Release Date	Support	Status	Comment	Latest	Release Date	Upgrade	Official	Deprecated
Red Hat Enterprise Linux [1][2]	9.4	2024-04	2026-06		Long-term support release		-	-	-	-
CentOS Stream [1]	9	2021-11	2027-06		Rolling release up-to RHEL 9.10		-	-	-	-
Red Hat Enterprise Linux [1][2]	10.0	-	-	-	Long-term support release	-	-	-	-	-
CentOS Stream [1]	10	-	-	-	Rolling release up-to RHEL 10.10	-	-	-	-	-

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
macOS	10.15	2019-10-07	~2022-10			No known thorough tests		-

Name	Current	Release Date	Support	Status	Compatibility	Comment	Latest	Release Date
VxWorks (WindRiver)	6.9	~2011	-			Used at APEX Observatory	7 (650)	2020-07-20