Remote ID is now required in the US with some exceptions until March 16, 2024.
RID will be required in Europe starting January 1, 2024.
For drone builders, various options are available.
Are you compliant? If not, why? If yes, what hardware are you using? I am using DroneBeacon db121 from Blue Mark Innovations.
UPDATE (Jan 2024): Check this out: https://www.youtube.com/watch?v=CY4syImI9xg