Several users continue to report issues with synchronizing devices and Macs through iSync and other synchronization applications after the update to Mac OS X 10.4.9.

MacUser iHub brings cloud-free synchronization to OS X and iOS MacUser By Marco Tabini, JUN 15, 2010 6:13 am PDT ...

"Once we upgraded to Mac OS X 10.4.6 we could no longer print from Quark (Quark simply quit each time). We found that the 'Blend Fixer 6 XT.xnt' was the cause, this is as a Postscript blend fixer ...