Good News, Everyone!
In the last months I published some Rails components.
Some tests using Carrierwave and MiniMagick / RMagick / Vips: https://github.com/blocknotes/carrierwave-tests
A structure to manage contents in a flexible way: blocks with recursive nested blocks + items as “leaves”: https://github.com/blocknotes/contents_core
Json Virtual Fields
Some tests using Rails 5.1.x with JSON and virtual fields with MySQL / MariaDB: https://github.com/blocknotes/rails-json-virtual-fields
Full Page Cache
Full page caching sample project: https://github.com/blocknotes/rails_full_page_cache
UI components editable from the front-end: https://github.com/blocknotes/editable_components