[31.x] Backports #35331

1. 
   fanquake commented at 1:03 PM on May 20, 2026: member

   Backports:

   • #35228
   • #35279
2. psbt, test: remove address type restrictions in test

   Because the corresponding Taproot fields were added in PSBT in PR 22558, so
   these restrictions are no longer necessary.
   
   Github-Pull: #35279
   Rebased-From: 81348576cc411a63da295a10a3846302419a18e0

   101071722e
3. DrahtBot added the label Backport on May 20, 2026
4. fanquake added this to the milestone 31.1 on May 20, 2026
5. 
   DrahtBot commented at 1:03 PM on May 20, 2026: contributor

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

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   Code Coverage & Benchmarks

   For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/35331.

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   LLM Linter (✨ experimental)

   Possible places where named args for integral literals may be used (e.g. func(x, /*named_arg=*/0) in C++, and func(x, named_arg=0) in Python):

   • MaxInputWeight(*desc, CTxIn{outpoint}, coin_control, true, can_grind_r) in src/wallet/spend.cpp

   ^{2026-05-20 14:28:12}

6. wallet: use outpoint when estimating input size

   `CalculateMaximumSignedInputSize()` is passed the outpoint being sized, but that context was not used when estimating the signed input size.
   Pass the outpoint through so externally selected inputs are not underestimated.
   
   Co-authored-by: Antoine Poinsot <darosior@protonmail.com>
   
   Github-Pull: #35228
   Rebased-From: cd8d3bd937b5515ea000408eb07d2ae3cd1aa417

   671e6c2c33
7. doc: update release notes for v31.x 8da939b9d3
8. fanquake force-pushed on May 20, 2026
9. DrahtBot added the label CI failed on May 20, 2026
10. DrahtBot removed the label CI failed on May 20, 2026

Milestone
31.1