In reply to Scott Sawyer.

I've also found that completely disabling updates (including the updater code in the source) is the only way to go. This prevents autoupdates to alpha versions, breaking changes, new editors, etc etc etc.

Wordpress is no longer a CMS I control, but one that keeps giving me headaches and tons of support calls from clients wondering what happened to the normal Word interface editor that they've been using for decades.