I often wonder what the title of my block will be when I leave it as "Default". Can we pull that info from hook_block_view and display it on the back-end for users?

PR by @daggerhart: https://github.com/backdrop/backdrop/pull/1867
GitHub Issue #:
2665
Recent comments
You can use this module: https://backdropcms.org/project/search_api_block
Search Api form in header?
Have you looked at the BG Image Formatter https://github.com/backdrop-contrib/bg_image_formatter
How to access node fields in block template files
You could also try Current Content Display Block which with a bit of config and CSS could get you what you need.
How to access node fields in block template files