Maintenance for the week of April 15:
• [COMPLETE] ESO Store and Account System for maintenance – April 16, 8:00AM EDT (12:00 UTC) - 6:00PM EDT (22:00 UTC)
I saw this, and for a brief moment, I was excited as I thought ZOS had increased stacking potency runes to 100... then I realized they always stack beyond 20 at the crafting station.