Following customer feedback, Cirrus has reduced the frequency of releases. Regular platform updates are deployed on Tuesday mornings. See the Release Calendar for scheduled dates.
Release times by region:
- EU: 06:00 CET/CEST (UTC+1 / UTC+2)
- CA: 00:00 EST/EDT (UTC-5 / UTC-4)
- SG: 21:00 SGT (UTC+8)
- AU: 00:00 AEST (UTC+10)
Cirrus announces releases at least 2 weeks in advance via the Status Page{target=_blank} and in the Release Notes on this portal.
Organisations with an RC subscription can test new releases on cirrusrc at least 1 week before the production release (normally at least 4 weeks in advance).
Infrastructure maintenance
Infrastructure maintenance normally takes place on Sundays, as data shows this is the day with the fewest digital exams, minimising disruption.
Reserved maintenance window per SLA:
- EU: Sunday 03:00-05:30 CET/CEST (UTC+1 / UTC+2)
- CA: Sunday 03:00-05:30 EST/EDT (UTC-5 / UTC-4)
- SG: Sunday 03:00-05:30 SGT (UTC+8)
- AU: Sunday 03:00-05:30 AEST/AEDT (UTC+10)
Hotfix
Hotfixes are exceptions to the standard release cycle. Cirrus reserves the right to release a hotfix when a bug requires immediate resolution.
Hotfixes have minimal downtime and are normally released at 06:00 CET/CEST.