BAM. Fixed it.
DREAMHOST CUSTOMERS:
One of the new features for their hosting plan is something called “Page Speed Optimization”.
This is the “mod_pagespeed” issue mentioned here:
http://wordpress.org/support/topic/troubleshooting-wordpress-35-master-list?replies=4
If you have this issue and you are a Dreamhost customer and you have this feature enabled, this may be your problem.
FYI, we’ve got our WP experts and server admins attacking this problem from both ends.
You can also put this in your wp-config.php instead of turning off page speed.
define('CONCATENATE_SCRIPTS', false);
If you’re not on DreamHost, but you use mod_pagespeed and have this problem, I’d love to hear so we can see if it’s just us doing something abnormal, or something more widespread that we need to take to Google. You can email me at mika.epstein @ dreamhost.com 🙂
Thanks Ipstenu!
I have a few clients who I’ve had to use this with. I’ll find out their hosts and see if I can make a little list for ya!
Appreciate the attention!
I have added the
define(‘CONCATENATE_SCRIPTS’, false);
script to my wp-config.php file and re-enabled page speed opitimization. I’ll post an update here in a few hours!
THANKS!
Many thanks @mika E. (Ipstenu at DreamHost)!
I have Dreamhost hosting with page speed and adding
define(‘CONCATENATE_SCRIPTS’, false);
to config.php fixed it for me.
THANKS 🙂
FWIW, I’ve gotten in touch with some other people. It’s definitely not just DreamHost having these issues.
As promised, I’m back!
If you’re on DreamHost, we’ve been rolling out a fix for this, so you don’t have to have CONCATENATE_SCRIPTS set. The issue is Google PageSpeed and how it’s compressing already compressed files (we filed a bug with them, no ETA on a real fix at source). You should be able to remove that line from your wp-config now (or turn pagespeed back up).
If you find any where it’s still not working, an apache config or config+restart should do the trick
