Changes:
Added: Existing post and upvote views on user admin page.
Added: Support SMTP authentication and SSL with Net::SMTP.
Added: Support HTTP::Tiny for reCAPTCHA.
Added: Support HTTP::Tiny for attaching linked images.
Changed: Misc. small changes.
Fixed: Policy page redirection loop with CGI. [Andrea Bianchi]
Fixed: Username autocompletion with CGI.
Removed: Manual configuration of SMTP authentication mechanism.
I've kind of overslept the change in the numbering system introduced with 2.27.1. Odd numbers no longer indicate development builds, therefore the "devel" branch has been removed.