It is crazy bad on low powered hardware like my work laptop. It has an Intel Ultra 7 Processor 155U. Wow! An i7!

Not so fast, the u there means ultrabook. Crammed into a too small chassis, this thing chokes even when using Edge or Chrome to work on Jira.

Windows 11 JS Web Start menu does not help...

Windows 11 is "fine" on my powerful desktop gaming CPU, but that is just brute-forcing it.