IgnoreConstraintNames doesn't seem to affect the comparison report in SQL Compare 10.7. Works in the UI version.
My parameters:
/r:"myReport.html" /rt:Interactive /Options:Default,IgnoreComments,IgnoreConstraintNames
Running with /Verbose
...
Argument /options has value 'Default'
Argument /verbose has value 'True'
SQL Compare running with option: Default (OK).
...
My parameters:
Running with /Verbose