@willcroft @jensimmons @nicolas17 I’ve added reproduction steps to FB20414621.

I can 100% reliably cause Safari 26.0.1 on macOS 15.7 to slow down and eventually close by repeatedly typing and backspacing in the address bar.

Even once I stop typing and it eventually goes back to 0% CPU, the whole browser is then sluggish when doing things like clicking into the address bar or maximising the window. Continuing to type/backspace causes it to lock up and close.

#FeedbackAssistant #Safari

@willcroft @jensimmons I ended up submitting this as FB20414621 because it seems to be getting worse. Today Safari 26 even crashed after beachballing for a long time while trying to type in the address bar.

The bad performance seems to get worse in relation to how long Safari has been open or how much browsing has been done, so initially everything seems fine, but after a few hours it sometimes takes seconds to respond (on an M4 Pro!).

#FeedbackAssistant #Safari