This is missing the most annoying one for me: when I type a search term into safari and it randomly interprets it as an address that it can’t resolve. E.g. “how to bake cookies” gets resolved to how%20to%20bake%20cookies (which safari tries to resolve via DNS or whatever instead of piping it to the search provider). Even better, it’s entirely nondeterministic, though it does seem to be due to some race condition with…
But honestly it seems extremely weird that Safari would interpret something with spaces as a URL instead of a search