Things to add to the release notes for the next full release:

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NEW FEATURES
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- The default editor has been changed from 'vi' to 'prompter', to align with
  historical practice and reduce packaging dependencies on external programs.

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OBSOLETE FEATURES
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DEPRECATED FEATURES
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BUG FIXES
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- An -attendee switch has been added to mhical(1), for use when more than one
  (or zero) attendees match a user's mailbox.