The tip releases have had search support for a few months:

https://github.com/ghostty-org/ghostty/issues/189

https://x.com/mitchellh/status/1993728538344906978

As Mitchell stated above:

> Ghostty 1.3 is around the corner, literally a week or two away, and will bring some critically important features like search (cmd+f), scrollbars, and dozens more. In addition to GUI features it ships some big improvements to VT functionality, as always.