Most major changes are on the Linux Kernel side:

 - major improvements in the NAND driver
	* upgrade recommended *
  The NAND driver now properly supports UBI - UBI is now recommended for
  new designs and enables faster boot time. For hints on installing and
  switching root-fs types see
	http://tx09linux.kernelconcepts.de/support/docs/getstarted/

  Hint: If you are using NAND booting on a TOPASA900 board you may
  experience problems after reset/power-up. See the following page about
  possible solutions:
	http://tx09linux.kernelconcepts.de/hw/boards/BMSKTOPAS900/

 - major improvement in the I2C bus driver
	* upgrade recommended *

 - improvements in the SPI driver

 - switch to ARM primecell drivers for
	- UART
	- I2C
	- framebuffer

 - en- and disabing UART ports can now be done in kernel config ("make
   menuconfig")

 - New abstractions in board files for TPMA - this allows easier adding
   of custom board implementations