New features in 3.6:- Offset tool!- Shape properties: 1) width and height. 2) Color, line type and line weight- New units: Length unit: Decimal Feet Angle unit: Degree/Minutes/Seconds, Surveyors Units- stability improvementNew features since 3.0:- New measurement tools: polygon, angle measure tool.- Improved View Only mode - You can now toggle off the active tool to enter view only mode for easy panning & zooming.- Auto merge 2 versions of drawings.- Snapping to Vector PDF! So you can redline and measure PDF more accurately!- Easier to upload and manage PDF sheets: upload PDF at user.arcsiteapp.com and it will appear in app automatically.- Support uploading revised version of PDF sheets.- Improve smart dimension editing: it's more predictable and faster!- Search and sort for projects and drawings.- Define relative position after moving objects.- New markup tools: Revision Cloud and Rectangle Markup.- iPad Pro support. Create detailed professional CAD drawings on 12.9 inches display! - New collaboration features! Invite coworkers to work on your drawings together.- Cross devices synchronization - upload drawings to the cloud and have access to them on any iPads.- Updated drawing limit: Pro users now have unlimited cloud storage and can export files (to PDF, PNG and DXF) without uploading to cloud. Free users now have 5 drawings cloud storage.- New "Shared Shape" tab allows you to share shapes within your organization.- Improved angle precision. User can set angle precision in settings menu.- Create "projects" to keep drawings more organized.