From BlenderWiki

Notes that should go into the release notes for Blender 2.65

Sculpting

• Committed flat-shading changes in r51119
  • Add description
  • Add image
  • http://nicholasbishop.net/wordpress/?p=585

Remesh

• Increased maximum depth from 10 to 12 (r51121)
• Performance improvements:
  • Faster calculation for smooth & blocks modes (r51122)
  • http://nicholasbishop.net/wordpress/?p=597