Vulkan Stability in Yuzu

Is the vulkan stable for intel drivers?

In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.

Kinda.
Wait for the finalization of Project Hades to see it in far better shape.

apprx. how long will it take

Most likely several weeks.