We wrote about Casetext in April; now there's new news: Casetext is transitioning to a new site, currently available at http://beta.casetext.com.
As part of the transition process Casetext has temporarily frozen the old
database of cases. In other words, they are not being updated, which is why you can't find the US Supreme Court's Hobby Lobby decision on the old site.
This information serves as a helpful reminder to always know the coverage of the database you are searching. You might think you've found all there is to know on a subject, but your research is only as comprehensive as the source you are searching.