I guess until they fix it, you can achieve similar thing with some tab rename extension.

Thank you for your request. As this post has had less than 5 votes over 4 years it will now be archived.

This request has been done for a while. Disable the show titlebar option in settings > appearance

Thank you for your request. As it has received few votes over 4 years, it is now going to be archived.

Thanks for your request. As this has received few votes over 4 years, the request has now been closed and archived.

Thanks for your request. As this has received few votes over 4 years, the request has now been closed and archived.

This other thread covers both cases: Maximized and Non-maximized Windows.