How to import Chrome passwords into iCloud Keychain Latest MacOS release (10.15.4) added the following option:


  Option to import Chrome passwords into your iCloud Keychain for easy AutoFill of your passwords in Safari and across all your devices


Where do I find the settings for this / how to actually achieve this?
Finally found it. It's in Safari menu. Too bad it seems like a one-off action instead of true sharing of this data:



Then: