Enable -natpmp by default #33004

1. 
   darosior commented at 5:03 pm on July 17, 2025: member

   This turns the default for NAT hole-punching (with PCP or NAT-PMP) to on. Closes #31663.
2. mapport: turn -natpmp to on by default 3fc660d267
3. Add release notes for -natpmp enabled by default b2d07f872c
4. 
   DrahtBot commented at 5:03 pm on July 17, 2025: contributor

   The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.

   Code Coverage & Benchmarks

   For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/33004.

   Reviews

   See the guideline for information on the review process.

   Type	Reviewers
   ACK	ajtowns
   Concept ACK	achow101, sipa

   If your review is incorrectly listed, please react with 👎 to this comment and the bot will ignore it on the next update.

5. fanquake added this to the milestone 30.0 on Jul 17, 2025
6. fanquake added the label P2P on Jul 17, 2025
7. 
   achow101 commented at 10:31 pm on July 22, 2025: member

   Concept ACK
8. 
   sipa commented at 10:50 pm on July 22, 2025: member

   utACK
9. 
   ajtowns commented at 2:03 am on July 23, 2025: contributor

   ACK b2d07f872c58af9cfdf9f9a4af0645376f9b98cb
10. DrahtBot requested review from sipa on Jul 23, 2025
11. DrahtBot requested review from achow101 on Jul 23, 2025
12. fanquake merged this on Jul 23, 2025
13. fanquake closed this on Jul 23, 2025

    ---

14. 
    laanwj commented at 11:33 am on July 24, 2025: member

    Post-merge ACK b2d07f872c58af9cfdf9f9a4af0645376f9b98cb

Contributors
darosior DrahtBot achow101 sipa ajtowns laanwj

Review Requested
sipa achow101

Labels
P2P

Milestone
30.0