• Added support for org wide app installations. If you are using the built-in OAuth support, make sure to update your InstallationStore by adding saveOrgInstall and fetchOrgInstall methods. (#521) - thanks @stevengill, @aoberoi
• added support for Authorizations in event api payloads which are replacing authed_users and authed_teams (#655, #656) - thanks @stevengill
• Added heroku deployment guide (#220, #651) - thanks @mwbrooks
• Docs fixes (#641, #665, #667, #668, #683, #686, #693 ) - thanks @shaydewael, @misscoded, @mwbrooks, @seratch, @stevengill
• Updated hubot example to work with bolt for Javascript v2.0+ (#676) - thanks @nicholas-a-clark