Deployments/Yearly calendar
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Below is an extended forecast for the days on which deployment slots on the calendar won't be made and weeks in which the deployment train will not run.
Calendar
This is a naïve estimate based on the idea that any WMF holiday that does not fall on a Monday or a Friday makes the week a non-train week.
See also the calendar for 2022.
| What | When | Deployment decision | What happened? |
|---|---|---|---|
| New Year's Day | Mon 2 Jan | No deploys | No MW deploys |
| Martin Luther King Day | Mon 16 Jan | No deploys | 1×Emergency MW deploy and 1×No-op |
| Presidents' Day | Mon 20 Feb | No deploys | |
| Datacenter Switchover | Wed 1 Mar | Reserved window for the switchover, no deploys during it | |
| Earth Day (observed) | Fri 21 Apr | No deploys (not that there are ever deploys on Friday) | |
| Datacenter Switchback | Wed 26 Apr | Reserved window for the switchover, no deploys during it | |
| Memorial Day | Mon 29 May | No deploys | |
| Juneteenth | Mon 19 Jun | No deploys | |
| WMF Holiday | Mon 3 Jul | No deploys | |
| Fourth of July | Tue 4 Jul | No deploys | |
| International Day of the
World’s Indigenous Peoples |
Wed 9 Aug | No Train, and no deploys that day | |
| Labor Day | Mon 4 Sep | No deploys | |
| Indigenous Peoples' Day | Mon 9 Oct | No deploys | |
| Deployment freeze discussion reminder | Mon 13 Nov | Open discussion with deployers and stakeholders about backports week of Dec 18 (and partial weeks at the end of the year going forward) | |
| Veterans' Day | Fri 10 Nov | No deploys (not that there are ever deploys on Friday) | |
| Thanksgiving
+ Day after Thanksgiving |
Thu 23 & Fri 24 Nov | No Train, and no deploys those days | |
| End of Year Holiday | Mon 25 Dec–Mon 1 Jan | No Train or deploys |