WordPress is currently lacking a fundamental mechanism: sending notifications to users to give them feedback about state changes in the system. Traditionally, plugin developers and Core have been using admin notices for this purpose, but this solution is lackluster at best and comes with a lot of disadvantages:

For the above reasons, there's a general consensus that admin notice are not up to the task and need a more robust replacement that can deal with current and future notification needs.

I hereby want to officially kickstart a Feature Project called "WP Notify".

Project Scope

The initial project will cover an extensible backend implementation as well as a single frontend use case.

A. Backend implementation

The backend implementation will cover the following elements:

B. Frontend use case

The frontend use case will cover the following elements: