Hi there mSummers,
I believe what you are looking for now is in the IPTC/XMP tab in Preferences.
First:
Under "When Writing IPTC/XMP"
For TIFF-based RAW photos, check "Allow RAW files to be modified" and then "Add embedded metadata"
Then, in order to apply metadata during Ingest, you would check "Apply IPTC Stationery Pad to Photos" and make sure you have a Stationery Pad with data to apply.
I hope this makes sense. Let us know if you need more info. I will update the wiki
-Mick