Improvements
- Switch from CssAbsoluteFilter to CssRelativeFilter (#822)
- Add statsd metric collection in hc.lib.s3.get_object()
- Upgrade to cronsim 2.4
- Update Signal notification template to include more data
- Add Profile.deletion_scheduled_deleted field, and UI banner when it's set
- Add support for specifying MessagingServiceSid when sending SMS and WA messages
- Update the smtpd management command to use the aiosmtpd library
- Add Rocket.Chat integration (#463)
Bug Fixes
- Fix a race condition when pinging and deleting checks at the same time
- Fix the checks list to preserve filters when changing sort order (#828)