In Chrome 81 the debugger URL chrome-devtools://devtools/bundled/inspector.html?…
redirected automatically to devtools://devtools/bundled/inspector.html?…
, but in Chrome 83 this redirection no longer happens (a Google search is run instead).
I think the URL that’s presented for copying needs to change - in the meantime editing it by hand is the only way to connect to the debugger.