corban on Nostr: Was the relay limit originally 1MB, and then it jumped to 4MB? If so, I think I ...

Was the relay limit originally 1MB, and then it jumped to 4MB? If so, I think I remember hearing about this. IIRC, the conversation was related to Taproot, and maybe it enabled ordinals? I guess it depends on which versions you are comparing because I don’t remember.