WHy does Developer Mode not work?

Please open a support ticket so we can have our API person take a look at it (haven’t seen any other complaints about this issue).

Note: Including some other helpful tips for CloudFlare and WordPress.

Thanks, I did. It appears to be a Chrome-specific problem.

Interesting. It worked fine in other browsers?

Not in Safari, but works in Firefox.

Do I need this plugin if I am going to be using a Certified Partner Host?

Reinstaling WordPress cleared up this, and several other issues I was having.

“Do I need this plugin if I am going to be using a Certified Partner Host? “

No, since mod_cloudflare should take care of the IP issue (primary reason for installing the plugin).