There is no error or anything when you try to make a post without logging in, it simply sit there w the spinning wheel until you hit cancel. It should prompt to login before user is allowed to compose a post.

And

When logging in, visually, it appears that the instance field defaults to lemmy.world, however the field is treated as blank

And and

Had to navigate away from login page after the above issue left the page in a faulted state and wouldn’t let me press “login” again after filling out the instance field.