Q firmware history

cc-history-q

https://raw.githubusercontent.com/Coldcard/firmware/master/releases/History-Q.md

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continuously updated

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Every check is recorded, including checks that found no text change. A detected edit is therefore bounded between two checks. The publisher's exact save time is not observable from this record. Last checked 2 Aug 2026, 00:58 UTC.

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   *See ChangeLog.md for more recent changes, these are historic versions*
   ## 1.4.1Q - 2026-07-01
   - Enhancement: Can export WIF Store watch-only descriptor.
   - Enhancement: WIF Store address detection without the need
     for `PSBT_IN_BIP32_DERIVATION` (improves Electrum support)
   - Enhancement: BIP-322 Proof of Reserves and Message Signing PSBT
     requires `PSBT_GLOBAL_GENERIC_SIGNED_MESSAGE` field
     (read more [BIP-322 Proof of Reserves documentation](../docs/proof-of-reserves-bip-322.md) )
   - Bugfix: Fixes legacy input amount spoofing by rejecting witness-utxo-only
     PSBT inputs when Coldcard is expected to sign a non-segwit input.  When both
     UTXO fields are present the full `non_witness_utxo` is now preferred for
     amount/script lookup. Thanks, @Damir!
   - Bugfix: Keep NFC export tag alive for repeated probes. Helps NFC tap reliability on iOS.
   - Bugfix: Emit warning and do not calculate fee for legacy UTXOs with only witness utxo.
   - Bugfix: Disable Virtual Disk and NFC before activating HSM.
   - Bugfix: P2PK signing was broken. Now supports both compressed and uncompressed P2PK spend.
   - Bugfix: Custom address default menu position was wrong.
   - Bugfix: Delta Mode Trick PIN was never restored from backup.
   - Bugfix: Proper error message for incorrect 7z headers.
   - Bugfix: Exiting nickname entry with nickname already saved deleted previous nickname.
   - Bugfix: Incorrect error message caused by error in Verify/Decrypt Backup.
   - Bugfix: NFC Verify Address raised incorrect error message.
   - Bugfix: CCC key C challenge handled bad BIP-39 checksum by crashing the UX. Now treated
     as a wrong attempt (counts toward 3-strike lockout).
   - Bugfix: CCC magnitude reset from CANCEL on empty input.
   - Bugfix: `OP_RETURN` in CCC with whitelist enabled caused Yikes.
   - Bugfix: TX Explorer crashed on foreign input with non-standard sighash.
   - Bugfix: Malformed JSON message-sign request crashed signing UX.
   - Bugfix: Reject UI-control bytes in JSON / QR text message-signing.
   - Bugfix: Non-standard `OP_RETURN` outputs shown as "null-data", hiding part of the script.
   - Bugfix: Over-limit CCC address-whitelist import was rejected but still modified the policy.
   - Bugfix: Deleting a file right after renaming it (List Files) blanked the old name,
     leaving the renamed file.
   - Bugfix: Reordered `multi(...)` multisig with same keys was misreported as name-only
     change. Now blocked as duplicate.
   - Bugfix: Max WIF store capacity limit was ignored if saving via QR WIF visualization.
   - Bugfix: Force Seed XOR restore from Temporary Seed menu to remain temporary even when
     master seed is blank.
   - Bugfix: Binary signed-transaction (.txn) failed in NFC/QR file share.
   - Bugfix: Yikes in transaction explorer for goto index for tx with only one output.

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