Tammy, here are the changes for 1.7.4 Oxwall version:

Oxwall 1.7.4, 2015-06-02
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Platform:
- avatar size limit can be changed in admin area now
- fixed issues with responsive google ads displaying
- fixed issues with robots.txt syntax
- Flag Content button shows only for loged in users now in mobile/desktop versions
- fixed issues with Custom Page termination
- fixed fatal error with Date field type on Search page
- added User list component

Forum:
- added advanced search
- added an optional search engine Zend Lucene - increases search results relevancy significantly
- added "Filter by user" language key

Photos:
- now users can edit/view personal photos when service "View photo" is not active

Messages:
- fixed issues with plugin using all memory running a cron task
- fixed issue with a Logged Out user showing as Online in Mobile Version
- fixed issue with Read messages showing as Unread
- fixed interface issues with Conversation Windows and Messages Page

Newsfeed:
- Like and Delete buttons work in mobile version now
- fixed issues with Status Update video upload
- fixed issue with an uploaded video not playing in mobile version

Groups:
- added lang keys for group invitations in site console

Social Sharing:
- social services' management interface is based on Ajax now

Birthday:
- added missing lang keys
- fixed Birthday icon in Newsfeed item

Thanks Taissa

way cool