I’m having the same problem once i updated to 4.2.2. DessiTap’s solution works for one group, but can’t fix multiple groups. I have 5 groups used on 5 different pages. It seems that only the group that is fixed last works, but the previously fixed groups don’t work anymore.
I’ve also deactivated all other plugins and switched to default theme, so it is definitely caused by the ACF plugin.
My client can use Link and Add media functions only at a page that has Draft mode fixed group.
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