Option 2) Subscribe to ALL of the Groups.io sub-group(mail list) calendars you are a member of at once - Usually not the preferred option as it would give you the calendar feed for ALL mail lists you are subscribed to, only a small portion of users would prefer this option.
- Login to Groups.io for any LF AI sub-group(mail list)
Click the "LF AI Foundation" at the top left of the page
Click the "Your Calendar" icon on the left
Scroll to the bottom of the page
Click the "Subscribe to Calendar" button
- Copy the url that is generated
- Paste the url using whatever method your calendar reader uses for internet calendar subscriptions