Resources can be accessed using absolute or relative paths.
Java threading model has been changed to use native threading, which means that each Java thread maps to native thread.
Port naming convention has been changed – port numbering starts from 1 and not from 0.
Maximum size is of the record store is 8 MB, previously only limiting factor was available disk space.
New Nokia-proprietary JAD attributes.
Changes in implementation notes documentation:
Canvas instances share a common backbuffer.
Added media keys support.
Added key code value tables.
Added new icon and font sizes.