The links below indicates fixes done in the individual builds:

• Versions 7.70 to 7.00 after Build 7180
   
• Version 7.00 Build 7180
• Version 6.90 Build 6900
• Version 6.80 Build 6800
• Version 6.70 Build 6700
• Version 6.60 Build 6600
• Version 6.50 Build 6500