====== Important LOFAR dates ======

Collection of important dates regarding the LOFAR system. This collects known Stopdays, Software releases, etc. Subject to change, so if you need to stay up-to-date, subscribe to this page (use 'Manage Subscriptions' in the little menu on the right side).

This dates at this page should be in sync with the LOFAR activity agenda: [[https://calendar.google.com/calendar/embed?src=2jkmjaro6ek0kh7tmf9brpf8pk%40group.calendar.google.com|LOFAR Google Calendar]] maintained by SDC Operations ( sdco (at) astron.nl ).

Please, let us know if you find any discrepancies ( ro_wiki (at) astron.nl ).

===== LOFAR stop days =====

Note: The dates are links to pages with planned changes/activities.

^2020^Coordinator|
|[[:public:stopdayactivities_20200107|Jan 7-8]]|Jasmin|
|[[:public:stopdayactivities_20200301|Mar 3-4]] w/ LCUs reboot|Reinoud|
|[[:public:stopdayactivities_20200512|May 12-13]]|Jasmin|
|[[:public:stopdayactivities_20200714|Jul 14-15]] w/ LCUs reboot|Reinoud|
|[[:public:stopdayactivities_20200901|Sep 15-16]]|Jasmin|
|[[:public:stopdayactivities_20201103|Nov 3-4]] w/ LCUs reboot|Jasmin|

^2021^Coordinator|
|[[:public:stopdayactivities_20210115|Jan 12-13]]|Jasmin|
|[[:public:stopdayactivities_20210302|Mar 02-03]] w/ LCUs reboot|Jasmin|
|[[:public:stopdayactivities_20210511|May 11-12]]|Walter|
|[[:public:stopdayactivities_20210713|Jul 13-14]] w/ LCUs reboot|Walter|
|[[:public:stopdayactivities_20210914|Sep 14-15]]|Jasmin|
|[[:public:stopdayactivities_20211109|Nov 9-10]] <del>w/ LCUs reboot</del> |Walter|

^2022^Coordinator|
|[[:public:stopdayactivities_20220111|Jan 11-12]]|Jasmin|
|[[:public:stopdayactivities_20220308|Mar 8-9]] w/ LCUs reboot|Walter|
|[[:public:stopdayactivities_20220510|May 10-11]]|Jasmin|
|[[:public:stopdayactivities_20220712|Jul 12-13]] w/ LCUs reboot|Walter|
|[[:public:stopdayactivities_20220913|Sep 13-14]]|Jasmin|
|[[:public:stopdayactivities_20221108|Nov 8-9]] w/ LCUs reboot|Mike|

^2023^Coordinator|
|Jan 10-11|Mike|
|Mar 7-8 w/ LCUs reboot|Mike|
|May 9-10|Mike|
|Jul 11-12 w/ LCUs reboot|Mike|
|Sep 12-13|Mike|
|Nov 7-8 w/ LCUs reboot|Mike|

:!: Please note:

  * The dates and activity logs of previous years can be found here: [[:public:calendar:archived|Archived stop days]]
  * The stop-day procedure is described here: [[:engineering:stop_day_procedures|LOFAR Stop days]]


==== Major LOFAR Software Deployments ====

----

^2016^Version^ ^2017^Version^ ^2018^Version^ ^2019^Version^ ^**2020** ^**Version** ^ ^2021^Version^ ^2022^Version^ ^2023^Version|
|[[:engineering:release_notes_lofar_2.15|Jan 25]]|2.15| |[[:engineering:release_notes_lofar_2.20|Feb 13]]|2.20| |Feb 12|Skipped| |Jan 23 (Wed!)|3.2.7 (Minor rollout)| |Mar 16|Skipped| |Feb 8|4.1.0| |Jan 31|Skipped| |Jan 30| |
|[[:engineering:release_notes_lofar_2.16|Mar 14]]|2.16| |Mar 13|Skipped| |[[:engineering:release_notes_lofar_3.1|Apr 23]]|3.1| |Apr 23 (Tue!)|4.0.0 (Major release) Reverted| |Apr 20|WinCC update| |Apr 12|Skipped| |28 Mar|Skipped| |Mar 27| |
|[[:engineering:release_notes_lofar_2.17|May 23]]|2.17| |<del>May 8</del> [[:engineering:release_notes_lofar_2.21|Jun 12]]|2.21| |Jun 18|Skipped| |[[:engineering:release_notes_lofar_4.0|Jun 24]]|4.0.0 (Major release)| |Jun 29|Skipped| |Jun 14|4.2| |30 May|Skipped| |May 30|A Tuesday|
|[[:engineering:release_notes_lofar_2.17|Jul 4]]| | |Jul 10|2.21.5 (Minor rollout)| |[[:engineering:release_notes_lofar_3.2|Sep 10]]|3.2| |Sep 16|Skipped| |Oct 5|Skipped| |Oct 11|preRelease 4.3.0| |Oct 3/4|4.3.29 (Minor rollout)| |Jul 31|In summer holiday|
|[[:engineering:release_notes_lofar_2.17|Sep 12]]|2.17.6| |[[:engineering:release_notes_lofar_2.22|Sep 11]]|2.22| |Nov 5|Skipped| |Nov 18|Skipped| |Nov 23| \\ preRelease 4.1 \\  \\ Only TMSS changes| |Nov 22|Skipped| |Nov 29| | |Oct 2| |
|[[:engineering:release_notes_lofar_2.19|Nov 7]]|2.19| |[[:engineering:release_notes_lofar_3.0|Oct 16]]|3.0| |Dec 10|Skipped| | | | | | | | | | | | | |Nov 27| |
|Dec 5|Skipped| |Dec 11|Skipped| | | | | | | | | | | | | | | | | | |

:!: Note: Semester planning by sdco will be done half April and half October for the coming semesters; be sure to get in touch with M. Iacobelli (or S. ter Veen) around that time to properly synchronize all plannings (incl stopdays, etc.)