Safari 7 'slowing to a crawl' on WordPress Admin pages with a lot of options
I've been working for several weeks on building a WordPress site. We build using a theming framework called Catalyst Theme and use their Dynamic Site Builder. Since we updated to Mavericks and Safari 7 we've been unable to make basic edits because the WordPress Admin page for Dynamic just can't load in a timely manner. (What should take seconds can take as much as 4 minutes.) This page has literally hundreds of options on it which are separated with tabs so visually it appears to be multiple pages but it isn't.
This works fine in Chrome and FireFox and worked in previous versions of Safari without a problem. To be clear, the site performs as it should on the front-end and all other pages work perfectly the WordPress Admin. It's just this one page. The guys at Catalyst also recently release a version of their Dynamic Site Builder that runs on the Genesis platform. This also doesn't work. Headway Theme's visual editor appears to be entirely inoperable as do several others.
The one thing all of these have in common is an absolute ton of objects and functions running on a single page.
Many of the theme and framework authors have begun to release updates that address the issue with a pop-up notifying the site admin that they should use another browser. They've all independently attempted to resolve the problem unsuccessfully so I'm thinking it's just a bug.
I'm not a big Safari user but I've got to say, if this wasn't an issue Safari 7 would be my default. I absolutely love everything else about it! It IS fast and is a joy to browse and work with. I'd also be willing to bet that the vast majority of freezes and locks being reported are the result of the same issue.
I'm running:
WordPress 3.7 but experienced this before the 3.7 update as well.
Catalyst Theme 1.5.4 and Dynamic 1.1
The server is Linux with cPanel (you know, the standard) and PHP version 5.3.21
Any help is greatly appreciated.
PS - I've cleared everything and also tried with extensions on and off.
iMac, OS X Mavericks (10.9), 16GB RAM, 1TB IntHDD, 4GB extRAID