This is basically the same as Make the block title required and allow it to be hidden for D8, but applied to both block titles and layout page titles.
D7 (<none> required to hide title):

D8 (checkbox that toggles visibility of title):

GitHub Issue #:
692
Recent comments
Hi Kevin I am interested assisting you developing a theme by cloning feature from existing WordPress website. Please let me know your suitable time to discuss further...
Create a theme from existing website
I've updated the Zulip link in both places I found it. No need to post again, unless you have something new to say. We'll pull together feedback from all the sources.
Backdrop CMS Core Priorities
Should we post here again, what we posted over there? Or would that unnecessarily duplicate things? The link to a Zulip thread in this initial post leads to an internal one, but there's...
Backdrop CMS Core Priorities