SharePoint 2013 introduced many interesting features for developers and this included development tools as well as plenty of enhancements, platfrom-level enhancements, mobile apps, and Cloud App model. Here are some key enhancements for SharePoint 2013 for developers:
Support for common web standards.
Platform enhancements
New development tools and plenty of development tools enhancements.
SharePoint 2013 Cloud App Model
Enterprise content management
Social support and collaboration.
And plenty of features and enhancements.
This provides developers a good overview of the exciting features available in this new version. Play around with them to learn more about the features.
Read the rest of the update here:Â http://www.codeproject.com/Articles/818491/What-s-New-in-SharePoint-for-Developers