bbPress sends few types of email notifications, and each one has filters to allow modification to the subject and content of the email.
bbPress has own function that generates title used in HEAD TITLE tag. But, that is not working with new themes with title-tag feature support.
When viewing topics or replies, in the header, you can see the exact date and time when the topic or reply is published.
If the search is enabled in bbPress settings, bbPress will enable search forms, and also activate dedicated search page.
bbPress has simple search built in using keyword search and simple form with the single input field. But, this can be also disabled.