Major Highlights

The theme for DNN 7.3 is performance. The entire platform has been optimized from a variety of perspectives to improve overall system performance.

Page markup reduction - intelligent resource management

Removal of unnecessary Viewstate – Home page 4005 bytes down to 90 bytes
YSlow base score improvement (7.2.2 80/Grade C -> 7.3.0 93/Grade A)
25% reduction in Page size for Home page requests.
Extra caching and streamlining of database calls
Reduce database activity in high transaction scenarios
Granular management of objects in cache to reduce cache rebuilds
New 51 Degrees implementation
New lookup algorithm 100x faster
Zero memory consumption
Can be disabled if required
Admin UI Updates for increased Admin page load speed
File picker/upload control updated for drag/drop
Permissions Grid optimized for active roles only
Add Module Control bar improvements
Bookmarking for favorite Modules
Search feature for finding modules
Lazy load feature to speed panel load
Improved scrolling
Scheduled Tasks Improvement
More granular control over jobs including ability to set a start date/time
Delayed initialization for faster application startup
Folder Provider Improvements
Ability to create new sites with the site root Folder on remote storage – separating user data from application data.

Thanks to the following community members who submitted fixes and enhancements for this release.

NOTE: Official release packages can be downloaded from CodePlex.