Well the UK mirror updates are showing proper 2.1 firmware.http://files.uk.pfsense.org/mirror/updates/
Two of my boxes were showing exact same symptoms - when set properly to "stable release" they were incorrectly stating I was on the latest version even though I had not updated.
If you're wanting to update may I suggest downloading the updates to your local computer and doing a manual update from file?
Alternatively, download the firmware direct to your pfsense machine, login to the console and select "13" update from console.
Both the above worked for me. Thanks to the developers and all involved for pfsense!