Our blog service, blog.inf.ed.ac.uk, is overdue an update. It is currently running 4.2.7 of WordPress, the current version is 4.5.2.
The plan is to update blog.inf.ed.ac.uk to 4.5.2 (Coleman release) next Thursday 19th May at 9am.
We’re not expecting any problems, but you can try out a test update of a clone of blog.inf taken on 10/5/2016 at http://wobleg.inf.ed.ac.uk/. Note that this site is not accessible outside of the Informatics firewall, and any changes you make to it will be lost, on or around the 19th.