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ChangeLog.md

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Change Log

This lists the changes in the most recent firmware, for each hardware platform.

Shared Improvements - Both Mk4 and Q

  • New Feature: Opt-in support for unsorted multisig, which ignores BIP-67 policy. Use descriptor with multi(...). Disabled by default, Enable in Settings > Multisig Wallets > Legacy Multisig. Recommended for existing multisig wallets, not new ones.
  • New Feature: Named multisig descriptor imports. Wrap descriptor in json: {"name:"ms0", "desc":"<descriptor>"} to provide a name for the menu in name. instead of the filename. Most useful for USB and NFC imports which have no filename, (name is created from descriptor checksum in those cases).
  • New Feature: XOR from Seed Vault (select other parts of the XOR from seeds in the vault).
  • Enhancement: upgrade to latest libsecp256k1: 0.5.0
  • Enhancement: Signature grinding optimizations. Now about 30% faster signing!
  • Enhancement: Improve side-channel protection: libsecp256k1 context randomization now happens before each signing session.
  • Enhancement: Allow JSON files in NFC File Share.
  • Change: Do not require descriptor checksum when importing multisig wallets.
  • Bugfix: Do not allow import of multisig wallet when same keys are shuffled.
  • Bugfix: Do not read whole PSBT into memory when writing finalized transaction (performance).
  • Bugfix: Prevent user from restoring Seed XOR when number of parts is smaller than 2.
  • Bugfix: Fix display alignment of Seed Vault menu.
  • Bugfix: Properly handle null data in OP_RETURN.
  • Bugfix: Do not allow lateral scroll in Address Explorer when showing single address from custom path.
  • Change: Remove Lamp Test from Debug Options (covered by selftest).

Mk4 Specific Changes

5.4.0 - 2024-09-12

  • Shared enhancements and fixes listed above.
  • Bugfix: Correct intermittent card inserted/not inserted detection error.

Q Specific Changes

1.3.0Q - 2024-09-12

  • New Feature: Seed XOR can be imported by scanning SeedQR parts.
  • New Feature: Input backup password from QR scan.
  • New Feature: (BB)QR file share of arbitrary files.
  • New Feature: Create Airgapped now works with BBQRs.
  • Change: Default brightness (on battery) adjusted from 80% to 95%.
  • Bugfix: Properly clear LCD screen after BBQR is shown.
  • Bugfix: Writing to empty slot B caused broken card reader.
  • Bugfix: During Seed XOR import, display correct letter B if own seed already added to the mix.
  • Bugfix: Stop re-wording UX stories using a regular expression.
  • Bugfix: Fixed "easy exit" from quiz after split Seed XOR.

Release History