A chart for the End-of-life for Snort rule versions is posted on our EOL Policy page:
https://www.snort.org/eol. As always, it has been updated to include our latest release numbers. Please note that 2.9.4.0 is now slated for EOL on June 2nd, 2013.
Please note that "TBD" in the chart stands for "To Be Determined".
