• JTL to poll attendees on time slot to see if the earlier (Northern Hemisphere summer) time slot would increase attendance.
• Next meeting: Jonathan is a maybe; Michael will run if Jonathan misses the meeting.
• Update on the interesting problem with packet lookup returning the wrong TCB. Fixed. (Thanks, Michael!) See: D22971.
• Whitespace cleanup: D22704. rrs@ and tuexen@ reviewed.
  • We had extensive debate about this. jtl@ will send an email to kib@ and glebius@ asking for their opinion.
• Cleanup (combine sack_newdata and snd_recover and reclaim one 32-bit integer): D18811. Michael will test.
• Improve RFC 6675 support: D18624, D18985. Reviews needed.
• Add RFC 6937 support: D18892. Richard plans to test more before proposing we commit this. Also, needs reviews.
• No update on blackhole detection.
• Don't delay ACKs for segments with ECN CWR flag D22670: Michael will commit.
• Fix IP ECN codepoint for SACK retransmissions D23118: Michael will look at it
• Fix RTO timer during SACK retransmissions D23160: Idea is correct; questions about implementation. JTL and Michael will try to look.
• Fix delayed ACK during TFO server-side open handling D23212: Looks good.

Next meeting is 30 Jan 2020 @ 2100 UTC.