Smart Preview allows Lightroom to automatically generate a high-quality preview of your images, even when you're not actively editing them. This feature uses advanced algorithms to analyze your images and create a high-quality preview that's similar to a Develop module preview.
That being said, here's a solid feature in Lightroom Classic:
I think there may be a bit of a typo or confusion in your request. I'm assuming you meant to ask about a feature in Lightroom Classic, not "lightroom klasik12501kuyhaa7z" (which seems like a jumbled collection of characters).
"Smart Preview" in Lightroom Classic