* Administration > Users > You can now convert your employees to subcontractors or candidates.

* Events > When adding new events while you have external calendar sync active, you can uncheck a checkbox to opt out from notifying the attendees.

* Events > When editing events (via edit or drag and drop), if they have attendees that can be notified, you'll be prompted with a dialog at the end of save, allowing you to choose if you want to notify the attendees.