Karol Trzeszczkowski has released new Mecenas plugin.
https://www.reddit.com/r/btc/comments/dz6sq7/new_mecenas_plugin_release_featuring_three_new/
If anybody wants to try it, let me know and I can help out. If you know how covenant escrows work, it is relatively intuitive. If not, it might be confusing.
After you get it installed, follow the instructions to make a contract to yourself (you are donating to yourself through the contract). If you can get that working, let me know.