Error after server upgrade, 

(08:21:38) | Updating Rust:IO ...

(08:21:38) | Rust:IO: Failed checking for update (Exception: update failed: The remote server returned an error: (400) Bad Request.)

(08:21:38) | Make sure that you are running the latest version of the Rust:IO Oxide extension!
how to fix?

@Madjarek 

http://playrust.io/manual/

Merged post

@Madjarek   SOLVED or NOT ???????