Lightroom — Klasik12501kuyhaa7z

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

That being said, here's a solid feature in Lightroom Classic: lightroom klasik12501kuyhaa7z