If you use an RSS aggregator/reader, you can now subscribe to digital.forest's support updates via RSS feed. The subscription URL (which will always be available on the support pages) is:

http://www.forest.net/support/index.xml

Simply copy-and-paste that URL into your RSS reader.

Popular RSS readers for Mac OS X include NewsFan, NetNewsWire, and others.
For Windows, you might try FeedDemon, RSS Bandit, or others.