I want to add the release dates into my own/org calendar.
Does anyone know of a public ical or any other format we can use?
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Sign up to join this communityThe help section of status.salesforce.com provides Swagger docs about public APIs.
Here is the link to documentation to retrieve maintenance infos: https://api.status.salesforce.com/v1/docs/#/maintenances/getMaintenances
You could call these APIs and retrieve the data into your org calendar.
(I have not tried calling these APIs, but it might be worth checking out)