User blog comment:DaNASCAT/Technical Update: September 20, 2017/@comment-26774000-20170923205948

Not sure if this was mentioned before or not, but I've noticed an editing problem with tabber. I've tried to edit a section of an article with a tabber, but instead of showing he content in that section, the section was blank.

(most likely going to send this in Special:Contact/bug as well)