Please note: The development forum is open but all other forums are read only. Additional WeatherCat forums can be found at: https://www.wxforum.net/index.php?board=146.0 (With many thanks to WXForum.net)
No way am I using Sierra yet, but who would have thought just updating Safari would be so bad?! Opened it this morning and thought my eyes were going bad! All the text was so tiny I thought the update must have screwed with my minimum font size settings.
defaults write com.apple.Safari com.apple.Safari.ContentPageGroupIdentifier.WebKit2MinimumFontSize -int X