http://www.sibelius.com/helpcenter/updates/sib5_1_0.html

- Ideas Hub
- new built-in sounds & playback
- VST & Audio Units support
- Panorama view
- Easy cues & instrument changes
- new music font – Reprise™
and more...

• Support for new Garritan Personal Orchestra Sibelius Edition and Sibelius Rock and Pop Collection products
• Two new plug-ins
• Bar number ranges on multirests (and bar numbers can be dragged any distance)
• Advance through attached video files one frame at a time
• Create any MIDI controller change message via Play > Dictionary
• Easily create dynamic parts in different transpositions from the same instrument
• New timecode formats (15fps, 29.97 (drop) fps) and improved timecode import from MIDI files
• Supports new Apple Mighty Mouse (Mac OS X 10.4.2 or later)
• Supports PostScript (Type 1) music fonts