I had two Orion windows open. One with my personal profile and another with my work profile. I "Quit" Orion. I restart my MacBook. I open Orion and both windows reopen. I check my Gmail on my personal profile, and it's signed in under my work account. I logged out of all Google accounts to confirm that the two profiles have randomly started to share website data???. They still do not share browser history, however.
I expected it to keep the website data separate as it was configured to. And how it had been doing for many months.
Version 0.99.128.2.1-beta (WebKit 619.1.11.111.2)
Sonoma (14)