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Peter D. Gray 2026-02-25 09:57:00 -05:00
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@ -5,16 +5,17 @@ This lists the new changes that have not yet been published in a normal release.
# Shared Improvements - Both Mk and Q
- New Feature: Sign [BIP-322](https://github.com/bitcoin/bips/blob/master/bip-0322.mediawiki) Proof of Reserve PSBT files.
- requires a carefully crafted PSBT that does not represent a monetary transaction, but instead is demonstrating
- Requires a carefully crafted PSBT that does not represent a monetary transaction, but instead is demonstrating
control over the keys for a list of UTXO, and commits to a short text message.
- Read more [here](https://github.com/Coldcard/firmware/blob/master/docs/proof-of-reserves-bip-322.md).
- New Feature: Export [BIP-380](https://github.com/bitcoin/bips/blob/master/bip-0380.mediawiki) extended key expression.
Navigate to `Advanced/Tools -> Export Wallet -> Key Expression`
- New Feature: Transaction Input Explorer. Shows data about UTXO(s) being spent. Press (2) before approving
transaction to enter Transaction Explorer.
- New Feature: Support for v3 transactions in PSBT files.
- New Feature: Option to type-out derived BIP-85 secrets as a USB keyboard.
- New Feature: Nuke Device, purges all sesnsitive data and make COLCARD into e-waste.
- Enhancement: CCC debug menu allows your to reset block height.
- New Feature: Nuke Device, purges all sensitive data and make COLCARD into e-waste.
- Enhancement: CCC debug menu allows you to reset block height.
- Bugfix: Replace `/` with `-` in exported file names of multisig wallet export artifacts.
- Enhancement: Show the BIP-39 passphrase on-screen (must scroll down) once new key is in effect.
- Enhancement: New "Buried Settings" menu, inside Settings menu, for rarely-applied settings.