IIB Technical and Behavioral changes :  

Web sphere Message Broker v 8.0 : 

What's New in WMB v8 : 

https://www.ibm.com/support/knowledgecenter/SSKM8N_8.0.0/com.ibm.etools.mft.doc/bb23110_.htm

Behavioral changes:

https://www.ibm.com/support/knowledgecenter/SSKM8N_8.0.0/com.ibm.etools.mft.doc/bh19400_.htm

Technical Changes :

https://www.ibm.com/support/knowledgecenter/SSKM8N_8.0.0/com.ibm.etools.mft.doc/bh44620_.htm

IBM Integration BUS v9.0 :

What's New in IIB v9.0 :

 https://www.ibm.com/support/knowledgecenter/SSMKHH_9.0.0/com.ibm.etools.mft.doc/bb23800_.htm

Behavioral changes:

https://www.ibm.com/support/knowledgecenter/SSMKHH_9.0.0/com.ibm.etools.mft.doc/bh19400_.htm

Technical Changes :

https://www.ibm.com/support/knowledgecenter/SSMKHH_9.0.0/com.ibm.etools.mft.doc/bh44620_.htm

IBM Integration BUS v10.0 : 

What's New in IIB v10.0 :

https://www.ibm.com/support/knowledgecenter/SSMKHH_10.0.0/com.ibm.etools.mft.doc/bb23850_.htm

Behavioral changes:

https://www.ibm.com/support/knowledgecenter/SSMKHH_10.0.0/com.ibm.etools.mft.doc/bh19400_.htm

Technical Changes :

https://www.ibm.com/support/knowledgecenter/SSMKHH_10.0.0/com.ibm.etools.mft.doc/bh44620_.htm