I’ve not finished updating my VirtualBox guest additions for 4.1.20 and here comes 4.1.22. 
You can find the changelog and downloads in the usual places.
Happy upgrading!
Cheers
Tim…
The ORACLE-BASE Blog
Oracle related rants (and lots of off-topic stuff)…
VirtualBox 4.1.22 Released… | The ORACLE-BASE Blog http://t.co/4mGATD42
Tim Hall: VirtualBox 4.1.22 Released…: I’ve not finished updating my VirtualBox guest additions for 4.1.20 and h… http://t.co/oA0xr6rq
RT @orafaq: Tim Hall: VirtualBox 4.1.22 Released…: I’ve not finished updating my VirtualBox guest additions for 4.1.20 and h… http://t …