Calendars

• you can now embed read only view of calendars on other sites
• users can now subscribe to calendars from icalendar apps/devices (e.g. smart phones)
• added a popup to event reminder dialog where users can optionally pick an email list to send the reminder to

Mail Lists

• mail lists can be configured to not have archives
• mail lists can be configured to not show archives to non subscribers

Other

• added email link to group pages that don't have an email list (sends to group members individually)
• text starting with http:// or https:// in news feed posts now converted to clickable links
• you can set default theme and configure whether or not users can choose their own theme