BIP129: add requirements header #2019

1. 
   jonatack commented at 10:11 pm on October 26, 2025: member

   BIP 129 requires several prerequisite BIPs, so state them in a “Requires” header.
2. BIP129: add requirements header 790c2ee7d4
3. 
   jonatack commented at 10:13 pm on October 26, 2025: member

   cc BIP authors @hugohn and @nvk for sign-off
4. jonatack added the label Proposed BIP modification on Oct 26, 2025
5. jonatack added the label Pending acceptance on Oct 26, 2025
6. 
   jonatack commented at 10:14 pm on October 26, 2025: member

   (Is BIP 322 still required? Is this BIP still relevant?)

Contributors
jonatack

Labels
Proposed BIP modification Pending acceptance