VoIP 2.0
* Extended NAT/Firewall traversal mechanisms added (STUN, persistent TCP/IP)
* Integrated Easy VoIP Client with fast hotspot connection
* More detailed info about VoIP 2.0 can be found from “http://www.forum.nokia.com" web site
Device management
* Multiple application support in same session added to Application installation over DM
* Large Application support added to Application installation over DM
* DM Server Certificate renewal support added
* DM support added for new VoIP features (NAT/STUN)
Synchronisation
* Added support to Oracle 1.2 remote DS Server
Bluetooth
* Interoperability, volume control and audio related improvements when using HF and Carkit devices.
* Bluetooth multiple connection improvements
Accessories
* BH-900 audio connection improvements
* Improved functionality of HS-12W
VOIP
* Interoperability improvements with infra vendors and service providers
* Usage of multiple SIP settings improved
* Robustness improvements
* VoIP call barring default to ‘No’
WLAN
* WLAN ad-hoc functionality improved
* WPA2 functionality with U-APSD enabled WLAN AP’s improved
* Support for Cisco 4400 series LWAP’s
* WMM functionality improvements
* Better support for WiFi hotspots
* Support for multiple SIP connections improved
* Overall WLAN robustness improved
Messaging
* POP/IMAP email polling improved
* IMAP Idle Interoperability improved to certain email servers
* Shortcut handling improved (Ctrl+C, Ctrl+V, Ctrl+X)
* New email indication improved
* Mass delete of emails improved
* Email key interworking improved
* Email size limit improved
* SMS sending have been accelerated
Calendar / PIM
* Recurring calendar event handling improved
Device management
* Remote DM Performance increased
* Large packet handling: MAX Object Size of remote DM changed from 10k to 65k
* Updating Applications over DM improved
* VoIP Settings handling improved
Client provisioning
* Support added to WLAN WPA/WPA2 PSK settings
* WLAN WEP key handling improved
Office tools
* No changes to Mobile office
* Quick Office Editors can be downloaded from Catalogs
Synchronisation
* Increased robustness of recurring event synchronization
* Remote DS Performance increased
* Large packet handling: MAX Object Size of remote DS changed from 10k to 65k
Backup & restore
* Overall robustness increased
Performance
* Remote DS Performance increased
* Remote DM Performance increased
Telephony
* IHF activation tone is no longer sent to network
* Homezone indications changes faster to UI during idle and GPRS connections
WEB browser
* Stability improvements to Web browser
* Improvement to manual selection of character encoding in browser
* SDP stream file support to downloads
WAP browser
* SDP stream file support to downloads
Networking
* Improvement to VPN access point VPN Policy view
* GPRS to WLAN roaming have been improved
* Applications Auto installation from memory card improved
Quelle: http://forum.my-s60.com/topic.php?id=903&page=1ኈ