Value,Status,Specification,Date,Change Controller,Contact,Notes 0x00000000,permanent,[RFC9000],2021-02-11,IETF,[QUIC_WG],Reserved for Version Negotiation 0x00000001,permanent,[RFC9000],2021-02-11,IETF,[QUIC_WG], 0x51303433,provisional,,2021-10-15,Google,[Google],Google QUIC Q043 0x51303436,provisional,,2021-10-15,Google,[Google],Google QUIC Q046 0x51303530,provisional,,2021-10-15,Google,[Google],Google QUIC Q050 0x6b3343cf,permanent,[RFC9369],2022-12-16,IETF,[QUIC_WG], 0x709a50c4,provisional,[RFC9369],2022-12-16,IETF,[QUIC_WG],QUIC v2 draft codepoint