"Delete" has been a feature of gossip since April 2023 (16 months).  Please do not infer from replies to my notes that gossip does not support delete, or that I am arguing against having a delete feature.  I'm not and I never have.

https://image.nostr.build/a11cd4dd20bbfcab39686be756893f31d43eb264e19a88439440340a955420e9.jpg