The new rules basically mean anything under 250g needs no licence unless it has a camera in which case you need an operator id. You can read all the related info here:
https://register-drones.caa.co.uk/drone-code/getting-what-yo...
https://www.caa.co.uk/Consumers/Unmanned-aircraft/Recreation...
I agree the rules are annoyingly confusing and the information is spread piecemeal over multiple documents. They should fix that.
Look at the insanity that is possible with training and skill, no cameras needed: https://youtu.be/PptMrBFAO-A