Recommended by @BWPanda in https://github.com/backdrop/backdrop-issues/issues/3419
As an extra feature request, and slightly different from Drupal 8, what about also merging all the link fields together? E.g. remove 'Content: Delete link' and 'Content: Edit link' in favour of a more powerful 'Content: Link'.
Here's how it could look:
(I couldn't screenshot the select list open, but it'd have 'View', 'Edit', & 'Delete' as options.)
GitHub Issue #:
3457
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