So instead of saying "We removed fsync" you should say: "We redesigned the database write path to avoid paying the full fsync durability cost on every write"
Thank you for this detailed writeup. If it's not a secret - what is your monthly ballpark figure. I'm planning to deploy an instance during the weekend, for light - medium usage. Can't gauge costs.
When I saw most of the games I play work perfectly on linux, and that emulator support is even better - I swapped my RTX3090 for 9070XT and installed Fedora 43.