# API Difference 5.0.0 vs 6.0.0 API listing follows standard diff formatting. Lines preceded by a '+' are additions and a '-' indicates removal. * [System.Windows.Automation](6.0.0_System.Windows.Automation.md) * [System.Windows.Automation.Peers](6.0.0_System.Windows.Automation.Peers.md) * [System.Windows.Controls](6.0.0_System.Windows.Controls.md) * [System.Windows.Forms](6.0.0_System.Windows.Forms.md) * [System.Windows.Forms.Design](6.0.0_System.Windows.Forms.Design.md) * [System.Windows.Forms.Design.Behavior](6.0.0_System.Windows.Forms.Design.Behavior.md)