v0.21.0

What's Changed

• feat: Simplify some in-place crypto API things by @larseggert in #3139
• fix: qpack idiomization by @larseggert in #3181
• refactor(qpack): don't collect when decoding a header block by @martinthomson in #3197
• fix: Make PublicPacket::decrypt take non-mut self by @larseggert in #2989
• feat(transport): Use tokens to identify PMTUD probes by @larseggert in #3199
• chore(transport/fc): add debug_assert to catch underflow by @mxinden in #3209
• fix: Stop loss monitoring for PMTUD triggering by @larseggert in #3200
• refactor(transport): move profile creation into output_dgram_on_path by @mxinden in #3230
• fix: remove once in send_stream_complete by @larseggert in #3240
• feat: send_atomic_with to avoid Encoder alloc by @larseggert in #3238
• perf(qlog): introduce outer Option by @mxinden in #3129
• fix: Replace qpack::Data with trait by @larseggert in #3013
• fix: prevent TP caching from affecting greasing behavior by @larseggert in #3095
• chore: Use Vec::with_capacity where we can by @larseggert in #3050
• chore: remove Qlog::add_event_with_instant by @larseggert in #3253
• feat(transport/cc): lower cwnd reduction on ECN-CE vs loss by @omansfeld in #3233
• fix(common/qlog): disable qlog on error on inner (shared) option by @mxinden in #3267
• fix(transport): expose CongestionEvent by @mxinden in #3268

Full Changelog: v0.20.0...v0.21.0