Will Monterey 12.5 fix the memory leak in the Find feature in the Finder? That looks increasingly unlikely, and may influence your decision as to whether to upgrade.
HoudahSpot
If you’re not careful, you can end up watching the Finder steadily eating your Mac’s memory until it grinds to a halt. The bug explained with solutions.
Big Sur 11.3 fixed a bug which stopped indexing of the contents of RTF files. Here’s how to ensure all your RTFs are now accessible in Spotlight searches.
Global in the menu bar, Local in the Finder, Core in-app, and Third-party for other developers. Spotlight is a chimera, and each finds different items.
Why can’t my Macs find text in Rich Text files? This explains how to diagnose the cause – which here is a bug in Big Sur’s Spotlight importer for RTF.
EasyFind, Find Any File and HoudahSpot compared, and tested against a wide range of search targets. The results are surprising.
Fifteen years ago, when we first got Spotlight search, we were more concerned with finding our documents rather than preventing others from reading their contents. Why?
The Eclectic Light Company 