[Meta] 3.0.0-rc1 release plan

Hello, is there an estimated release date planned for version 3.0.0-rc1? Your guidance on this would be much appreciated. Thank you!

In short, no. I have no paid sponsorship to work on this module, so it's entirely my donated time while working on my in-house product. Also, this is blocked on ✨ Generate JSON schema for content entity types Needs review being committed to core. If you can lend any help there, that's the main obstacle.