Borderlands 3 has been updated to version 1.80 today by Gearbox. You can find out the complete patch notes for this update from here.
This patch brings in a small number of fixes that were outlined by Gearbox Software on their official website. This activates two different events including Mayhem Made Mild and Show me Eridium. The details were shared on the official website, but you can view the patch notes below.
Borderlands 3 Update 1.800 Patch Notes
- Activating Mayhem Made Mild, where players will only encounter Easy modifiers in Mayhem Mode until 8:59 AM PT on September 16
- Activating Show Me the Eridium, which will grant increased Eridium drops and Eridium item discounts until 8:59 AM PT on September 16