please boost as it is semi-important

So I want to change my legal name and gender this year; I first want to do the changes in the Netherlands as it's easier for me for various reasons, but that also means carrying over the changes to the Polish side as I am still a citizen of that country.

However moving over the changes also means adjusting my last name to make the ending match my new legal gender (as yes. plenty of last names are gendered. it's stupid.) - and I don't know how the Dutch side will handle that change?

Is there any procedure for such a small change in the BRP? There's little available information for that, and it pisses me off that despite the amount of Polish (and Slavic in general) migrants in this country the civic servants are still ignorant to how our last names work...