The Nokia Java Runtime 2.0 for S60 has been updated! There are several smaller bug corrections, but the most significant fix is the change to the conversion functionality. This should prevent situations where the device’s C- drive will get full.

Fixed in this update:

• Conversion will avoid situations where disk space might go below critical level
• MIDlets are converted to internal mass storage if possible
• MIDlet with large RMS can be started
• MIDlets can access memory card root folder
• Support all Nokia specific JAD attributes

Minor changes:

• Updates to eSWT widgets
• Minor changes to bluetooth
• Reduced the amount of debug logging, which should give minor performance improvement

Know issues:

• Phone may become slow or unresponsive if it runs out of disk space on C-drive.
  Please ensure that C-drive will have at least 10MB of free disk space before installation.
• SSL connection does not work in all phones
  Nokia 5800 firmware version needs to be at least V21.0.017
• Backup and restore does not work for MIDlets on memory card
• Nokia specific globalindicators extension API  is not supported
• Please re-boot your device after installing the new version of JRT
  
  Source : betalabs