Admin theme change stopped working

Is it normal, or bug in latest release or I’m missing something.

I have installed directus on 2 instances.

Few days ago theme switch (admin ui settings > appearance) worked fine.

Today it doesn’t. Stuck on light in instance one and stuck on dark in instance 2. My Mac OS is set to dark, I tried all 3 but no change.

For dark theme defaults dark is selected.

What am I missing as I’m new to directus

Thanks.