Hi Jeff,
In 6.1 M030, we introduced a new RDS process, which as resulted in some similar issues. Many of these are resolved by 6.1 M060, as the SPR you note above shows.
You should also be able to determine if this is the issue, and get a temporary workaround by using the following preference:
usenewditards = 'no'
This can be found in the Advanced Preferences dialog.
Let us know if this works. Thanks!