A new version of RSS Submit 5 has been released. The latest version is now 5.914 / 2.5. It includes support for the new Recaptcha API 2. Perhaps, you've seen them around?
The RSS Submit 5 database has also been updated to include 1 update and 1 new directory.
Be sure to click the Upgrade button in the software to check for updates. Still have RSS Submit 3 installed? Download a free trial of RSS Submit 5 and give it a try!