Google's John Mueller hinted on Twitter that the URL parameter tool that was added to Google Search Console in 2009 may not be 100% ported to the new Google Search Console. He said Google may make the tool evolve versus make it a 1 to 1 switch over.
When John was asked about the tool and why it hasn't been migrated over yet to the new Google Search Console, he said "I don't think it would be going away (I really like it, but I'm apparently biased :)), though it might evolve rather than get moved 1:1."
Here are the tweets:
What do you use it for? I don't think it would be going away (I really like it, but I'm apparently biased :)), though it might evolve rather than get moved 1:1.
— 🍌 John 🍌 (@JohnMu) April 18, 2019
So if you have reason for it to move over 1:1 - let John know on Twitter. You can learn more about this tool over here until Google drops this page when they remove the feature. :) Here is a copy of that help doc just in case.
I personally am interested in how they would make it evolve for the better.
Forum discussion at Twitter.