Anthony V.

I, too, have had this issue on an up-to-date version of Manjaro Linux.

Actually, just by trial and error (and based on a previous issue that was logged), it seems that F6 saves state to local storage and F9 loads it - is...

Ah, I see. After posting this, I did notice that the issue was greater in Chrome than Firefox for some reason - with Chrome, I couldn't open the save dialogue...

Also https://github.com/PolicyEngine/policyengine-uk/blob/b9f48c16e4d0ef76f175314a3a19aac56fd9fbfb/policyengine_uk/variables/gov/hmrc/tax.py#L14