Democracy Maps | Partisanship of State Primary Election Systems

It does not seem possible to be able to vote as a non-partisan independent voter.

Looking for the percentage of states with open primaries, one sources had 24 states being open in presidential elections.

This link is the story on a different website.

And below is still another story on another website.
https://www.openprimaries.org/rules-in-your-state/

Looks like it effectively remains impossible to be a non-partison independent voter.