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firmware/releases/ChangeLog.md
Peter D. Gray 32f3ecc194
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2019-04-03 11:30:49 -04:00

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2.0.0 - Apr 2019

  • BIP39 Passphrase support: enter up to 100 characters to create new wallets from your existing seed words. Each is a completely independant wallet to Electrum and PSBT files, so please make note of the extended master fingerprint (eight hex digits).
  • Support for Mark2 hardware, with membrane keypad replacing touch interface.
  • Adds activity light during MicroSD card read/write (Mk2 only)
  • New command: "Lock down seed" which converts BIP39 seed words and passphrase into the master xprv and saves that as new wallet secret. Locks in the passphrase, deletes seed words.
  • New bootrom, version 1.2.1 with Mk2 hardware support and improved one-wire bus MitM defences.
  • Bugfix: extra keypress occurs during certain interactions involving key repeat.

1.1.1 - Dec 2018

  • Rename menu item "Change PIN code" => "PIN Options"
  • Trivial bugfix in unused codepath (get_duress_secret hits assertion).

1.1.0 - Nov 2018

  • Allow setting max network fee to a number of possible levels, or disable it (was previously fixed to 10%). Thanks to @crwatkins for this suggestion.

  • Touch improvements: two new setting, which are between the old 'Least Sensitive' and 'Most Sensitive' settings. New menu text.

  • Touch sensitivity preference is applied before login, so PIN entry is easier.

  • Although we do not use the bech32_decode() function recently found to have an buffer overflow bug, we've included the fix into our fork of the affected library. This change, and the original bug, does not affect the Coldcard firmware in any way.

  • Correctly include witness data in transactions when signing based on witness UTXO data (thanks to @SomberNight)

  • Bugfix: Fix divide-by-zero if transaction sends zero amount out (only possible if network fee equals 100% of inputs).

1.0.2 - Sep 2018

  • Add support for SLIP-132

    • yprv/zprv keys can now be imported
    • public.txt file includes both SLIP-132 and BIP-32 values where needed (segwit cases)
    • test cases added to match

  • Can create Electrum skeleton wallet for Segwit Native and Segwit P2SH now.

    • caveat: the plugin is not ready yet for P2SH/Segwit, but Segwit native is fine

  • Improvements in 'public.txt' output:

    • add SLIP-132 values where we can
    • correct names when used for Litecoin

  • Improvements to backup and restore

    • can now restore cleartext backups (for devs only!)
    • fix "Unable to open ... /sd/backup.7z" error

1.0.1 - Sep 2018

  • Touch sensitivity improvements: now less sensitive (by default) and a new setting can change that back to fast and sensitive, or select low sensitivity for noisy environments or personal preference.

  • Remove respin feature (press 2) when showing seed words, and add confirm step to Cancel press. This misfeature was causing grief due to accidents during the high-stress seed word process.

  • Improvement: show better what's happening during PIN attempt forced delay.

  • Bugfix: possible lockup after entering an incorrect PIN code

  • Bugfix: 'warm reset' inside Debug Functions didn't work properly.

1.0.0r2 - Aug 2018

  • Initial release to public