In Protean, I couldn't reproduce it too. Did you change the Page width only? Or smth other sizes too?
Hello LeonidS and Igor Lebedev ,
1. Clone a new mix from Neat Mix, name it "test" and publish it
2. Change only the page width 1250 => 85%
3. Watch a video with 0% zoom
The title is not visible. If you zoom to 120% then it appears.
** I just noticed that only happens with Plry enabled **
See the video below.