Deployments/Yearly calendar
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 2024.
| What | When | Deployment decision | What happened? |
|---|---|---|---|
| New Year's Day | Wed 1 Jan | No deploys | ✅ No MW deploys |
| Martin Luther King Jr Day | Mon 20 Jan | No UTC Late backport window | |
| U.S. Presidents' Day | Mon 17 Feb | No UTC Late backport window | |
| Northward Switchover: Services + Traffic | ~21 Mar | ? | |
| Northward Switchover: Mediawiki | ~21 Mar | ? | |
| Earth Day | Tue 22 Apr | No deploys (train tbd) | |
| U.S. Memorial Day | Mon 26 May | No UTC Late backport window | |
| Juneteenth | Thu 19 Jun | No UTC Late backport window | |
| U.S. July Holiday | Thu 3 Jul | No UTC Late backport window | |
| Fourth of July | Fri 4 Jul | No deploys as normal | |
| International Day of the World’s Indigenous Peoples | Fri 8 Aug | No deploys as normal | |
| U.S. Labor Day | Mon 1 Sep | No UTC Late backport window | |
| Southward Switchover: Services + Traffic | ~21 Sep | ? | |
| Southward Switchover: Mediawiki | ~21 Sep | ? | |
| Columbus Day (also Indigenous Peoples' Day) | Mon 13 Oct | No UTC Late backport window | |
| Veterans' Day | Tue 11 Nov | No UTC Late backport window | |
| Thanksgiving & Day-after-Thanksgiving | Thu 27–Fri 28 Nov | No UTC Late backport window | |
| End of Year Holiday | Wed 24–Wed 31 Dec | No trains or deploys |