Updated for the new Meetup APIs - You must install this version before 15 August.
Also includes feature to allow you do save all photos from an event to and album and your camera roll.

* Easy Attendance Taking - shows Going # and Missing # - button toggles display to highlight those missing

* Participation view has collapsible sections - tap on section header to collapse/expand

* Remove spurious Delete button in Gallery Viewer

* Faster rendering of participants in large groups (hundreds)

Faster and easier. Now allows you to access all your Meetup groups from within the app - also includes support for Meetup Messaging.

* Allow new users to join the group from the sign-up page

* Added Bio, Hometown and Interests on Person View with Refresh button

* Added display of Common Friends and Common Groups

* Added display of Social Media links as entered in meetup.com (Facebook, LinkedIn, Twitter, Tumblr, Flickr)

* Sort Participants attending and NOT attending by name for easier finding in the list

* Checkin button - fixed problem with pull-to-refresh

* Added support for Tokyo International Friends, Tokyo Spontaneous Hangout and Hudson Valley Hikers (own Apps)

* Added support for Silicon Valley Entrepreneurs (own App)

* Improved comment and reply handling allowing display of participant information in conversations