User blog comment:DaNASCAT/Technical Update: October 21, 2015/@comment-24473195-20151021211133/@comment-126761-20151023102838

I'm not able to reproduce the issue with text going invisible beyond a certain page size. If you have a way to reproduce this, could you send it in to Special:Contact/bug? Thanks!

(Mind you: if a template is >80kb, that's a pretty crazy template.)