Nothing.The arrow on the right looks clickable. Out of curiosity, what happens if you do?
Default theme is normal.Does this also happen in the default theme?
Checked on site Pale Moon dependencies. Nothing of them was updated recently.Also, was Photonic the only thing that updated recently (in your system in general, not just Pale Moon)?
Maybe this weird thing appears only on my system -- but I can't find any reasons for this. Maybe guy with Mint from previous post just do not notice it yet. As I said: it loads not every time.
Thanks and sorry for my bad English. Will use 1.0.0 for awhile.