Update to 4.0.3
- PSBT: restore compatibility with Bitcoin Core following CVE-2020-14199: we now allow a PSBT input to have both UTXO and WITNESS_UTXO
- Hardware wallets: run all device communication on a dedicated thread
- new feature: "Automated BIP39 recovery"
- When restoring from a BIP39 seed, add option to scan many known derivation paths for history, and show them to user to choose from.
- show derivation path of keystores in Qt GUI Wallet>Information
- fix "signtransaction" RPC command