With the WordPress 5.5 development cycle coming to a close, it is time to begin mapping out what features should land in WordPress 5.6 later this year. Earlier today, Chloe Bringmann asked the community to chime in with its wish list on the Make Core blog.
As usual, I have a few thoughts. I tend to lean toward addressing some of the long-standing developer-friendly tickets because these features allow plugin authors to build better products for end-users in the long run.
A complete custom post status API tops my usual list of most-wanted features. I have already opined over this