Font update lets Opera and Vivaldi crash
A few days ago I updated my font cache because a game needed windows fonts. I followed the Arch Wiki to copy the W10 fonts and regenerated the fontconfig cache.
https://wiki.archlinux.org/index.php/Microsoft_fonts#Using_fonts_from_a_Windows_partition
When Opera or Vivaldi are started via the terminal I get the same output from both.
Vivali output https://8n1.org/13727/bb20
Opera output https://8n1.org/13728/3a56
The only difference is that Opera repeats the process four times, while Vivaldi stops after one try.
Chromium, the mother, is not affected. Just as Firefox or any other program I use regularly.
Arch Linux 4.18.7 Cinnamon 3.8.8 mesa 18.2