[30.x] Backports #34856

1. 
   fanquake commented at 6:50 am on March 19, 2026: member

   Backports:

   • #34848
   • #34869
   • #34870
   • #34888
   • #34956
2. cmake: Migrate away from deprecated SQLite3 target

   CMake version 4.3 deprecated the imported target `Sqlite::Sqlite3`.
   Use the preferred name `Sqlite3::Sqlite3` instead and provide an
   alias for older versions of CMake. Also define the same alias when
   using vcpkg.
   
   Github-Pull: #34848
   Rebased-From: 498b6eb6b5e8aceb372d3097df2715d9c7fc416b

   fde84b822e
3. fanquake added this to the milestone 30.3 on Mar 19, 2026
4. DrahtBot added the label Backport on Mar 19, 2026
5. 
   DrahtBot commented at 6:50 am on March 19, 2026: contributor

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6. tests: applied PYTHON_GIL to the env for every test

   Github-Pull: #34869
   Rebased-From: b14f2c76a1f6b41835c134584c82c45704c4cce0

   72d2b85414
7. fanquake force-pushed on Mar 20, 2026
8. wallet: fix amount computed as boolean in coin selection

   The comparison is evaluated before the assignment, so total_amount
   ends up holding a boolean instead of the actual amount:
   total_amount = (a - b < c)
   which is not what we want here. This has been working by accident.
   
   Github-Pull: #34888
   Rebased-From: 0026b330c4abbbbdb96e4f0c4d380d70d8e592ab

   f05988aa05
9. fanquake force-pushed on Mar 24, 2026
10. wallet: feebumper, fix crash when combined bump fee is unavailable

    When a large cluster of unconfirmed transactions exceeds the limit,
    calculateCombinedBumpFee() returns std::nullopt.
    
    Previously, we continued executing and the optional value was
    accessed unconditionally, leading to a std::bad_optional_access
    exception.
    
    Fix this by returning early when the returned bumped fee is null.
    
    Note:
    This is a crash for the GUI, and an uncaught exception for the RPC
    bumpfee and psbtbumpfee.
    
    Github-Pull: #34870
    Rebased-From: 6072a2a6a1fdde8444e3515f0d201de3fb3923a1

    84c2f003b3
11. fanquake force-pushed on Mar 24, 2026
12. depends, qt: Fix build on aarch64 macOS 26.4

    Github-Pull: #34956
    Rebased-From: 3aeccb7d739c7e9a82c95fbc8f5647ea85a79635

    6bba04ba73
13. doc: update release notes for v30.x 75d707b307
14. fanquake force-pushed on Apr 1, 2026
15. fanquake marked this as ready for review on Apr 6, 2026
16. fanquake requested review from marcofleon on Apr 6, 2026
17. 
    marcofleon commented at 12:37 pm on April 7, 2026: contributor

    You have #34832 in the pr description, but I’m not seeing the actual commit included?
18. 
    fanquake commented at 1:37 pm on April 7, 2026: member

    You have #34832 in the pr description, but I’m not seeing the actual commit included?

    That’s ok, I’ve dropped that from the description.

19. marcofleon approved
20. 
    marcofleon commented at 1:52 pm on April 7, 2026: contributor

    lgtm ACK 75d707b307f69a7b153b24e66b9906611faa4645
21. fanquake merged this on Apr 7, 2026
22. fanquake closed this on Apr 7, 2026

    ---

23. fanquake deleted the branch on Apr 7, 2026

Contributors
fanquake DrahtBot marcofleon

Labels
Backport

Milestone
30.3