Released on 22 Sep 2016

Default SenderDefault Sender
Set a default sender account via 'Preferences... > General' if you manage multiple accounts and always want to use a particular account to send messages. Mailplane will then use that account when you click mailto: links or send messages from other applications.

macOS SierramacOS Sierra
Apple released macOS Sierra two days ago. We've been running this version for almost two months on macOS Sierra and it works great.

Attachments FixAttachment upload stopped working
Uploading attachments stopped working recently because of a Google change. This update makes it work again.

Fixes and Improvements