• [BUGFIX] Get rough RTT estimate on receipt of Handshake packet. This prevents BBR on the client from miscalculating pacing rate, slowing down sending of ACK packets.
• [BUGFIX] Packets sent during handshake are app-limited.
• [BUGFIX] Bandwidth sampler starts in app-limited mode.
• [BUGFIX] Memory leak: free QPACK handler context in stream dtor.
• Logging improvements.