What are some of the most important open source plugins in the pre-Gutenberg WP ecosystem? I want to try to keep them compatible with the CP Next version I am working on

[viktor]

Just to add one more thing related to shortcodes. I don’t know how you feel about shortcodes, but there was work being done on an improved shortcode parser on WP side:

GitHub - gschoppe/Better-Shortcode-Parser: WordPress Shortcode Parser, based on the Gutenberg...

There’s a petition for that:

Rewrite the shortcode parser to support nested shortcodes and self-nested shortcodes

The current shortcode parser is based on a single regular expression, making it error-prone and incapable of many useful features, such as nesting two instances of the same shortcode. Here is a proof of concept parser for shortcodes that supports nesting and self-nesting out of the box: https://github.com/gschoppe/Better-Shortcode-Parser Read-only archive: https://petitions.classicpress.net/posts/146/rewrite-the-shortcode-parser-to-support-nested-shortcodes-and-self-nested-shortcodes Author:…

Something to consider.