Actually, I discovered this issue when I used the version that initially added Vulkan, and it persists to this day: when you choose Vulkan rendering and set the frame rate to unlimited, enabling vertical synchronization will not take effect. If you choose OpenGL rendering, there is no such issue.
Choose Vulkan rendering, set the frame rate to unlimited, enable vertical synchronization, open the monitoring page with F3, and if the frame rate exceeds the refresh rate of the monitor, it indicates that vertical synchronization is not effective
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Hi!
Thank you for your report!
We're already tracking this issue at MC-307679, so I will resolve and link this ticket as a Duplicate.
I suggest also to browse through the main issue for potential fixes.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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