• [API] Add lsquic_alpn2ver() to aid parsing Alt-Svc header.
• [BUGFIX] NULL dereference when H3 frame header would be split.
• [BUGFIX] Do not close fixed-size H3 frame prematurely.
• [BUGFIX] Allow PING frames in IETF mini conn.
• [BUGFIX] Mini conns: don't send any packets after receiving CONNECTION_CLOSE.
• [BUGFIX] Client migration: reserve slot for DCID from transport params.
• [BUGFIX] Allow max_early_data_size=0 -- early_data might not be there.
• [BUGFIX] Use an invalid stream number to reset BPT cache (zero is now a valid stream number).
• [SPEC] Use FINAL_SIZE_ERROR when FIN mismatch is detected.
• [OPTIMIZATION] Closed connection only gets one chance to send packets.
• [OPTIMIZATION] Flush headers stream before packetizing stream data.
• [OPTIMIZATION] process QPACK encoder STREAM frames immediately.
• Update ls-qpack to v0.10.1.