Version 1.5.4

Added

• descriptor: Add support for elements confidential wallet policies.
• docker: Build amd64/arm64 multi-arch images, migrate to blockstream/wallycore.
• python: Add support and release wheels for Python 3.14.

Changed

• build: Move CI and docker images to Debian Trixie.
• deps: Bump libsecp256k1-zkp to current master branch, update emsdk.
• java: update source version to v17 for supported Java installs.
• js: Move to Node v24, bump fast-uri dependency.

Fixed

• python: Remove internal dependency on distutils (which is now deprecated).
• descriptor: Disallow leading zero in numbers/policy key indices.
• descriptor: Return WALLY_ENONMEM correctly on out-of-memory errors.
• elements: Align unblinding behaviour with elements-core.
• build: Add missing cmake defines.
• build: Various build and test fixes.