Big changes to the App Store search algorithm?

Anyone else see pretty random swings in the search algorithm? We'd held a no. 1 spot for a keyword that is in our app's title that the app pays off pretty directly, and out of nowhere an app that hasn't been updated in years and a handful of smaller apps just jumped us.

This happened exactly on March 12. This algorithm tracker marked that day as a massive anomaly. https://www.apptweak.com/en/free-tools/algorithm-change-detector?view=chart&country=us&store=ios&startDate=2023-12-22&endDate=2024-03-20

And it's fine for things to change. We'll gladly adapt, but the change seems random and almost like a bug. Simultaneously, I've been periodically seeing a "Search and Discovery" tab that's unclickable pop up in my App Store Connect. So I'm wondering if this is an error, or if there are new things to consider?

Anyone else experiencing this?