Recently I disabled dev mode after a long time (to get template updates) and didn't think much of the little warning that comes up but apparently it's serious biz as explained in https://support.squarespace.com/hc/en-us/articles/206545717#toc-what-will-happen-if-i-disable-developer-mode- :
This includes the navigation configuration, done on the Pages panel when logged into a Squarespace site. So I had to manually reconfigure all of this, as well as the text added to sidebars, footers, and headers (as mentioned above), AND all of my site styles (configured from the Design -> Site Sty