Thanks,
We don’t have a need to move to ACF5 right now. I know there are a lot of nice features, but we don’t need them at the moment. However, our clients do mention often how slow the Admin Panel is. We have gotten around this a little by switching from Apache to Nginx only and using W3TC for DB and Object Caching, but it is still slow. So we are curious how much faster JSON would make it. Granted we understand that not everyone is using it like we are as we use Flexible Content to build most of the pages so some of our client have hundreds of fields on single page. It could take them up to 8-10 seconds to load before they can make any changes to the page.
