COLDCARD firmware changelog
cc-changelog
https://raw.githubusercontent.com/Coldcard/firmware/master/releases/ChangeLog.md
- Organisation
- Coinkite
- Evidence role
- Repository file
- Published
- continuously updated
- Source changes
- 0
- Detected differences
- 0
- Unreviewed
- 0
- Copies held
- 1
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Extracted text as captured
# Change Log This lists the changes in the most recent firmware, for each hardware platform. ## 2026-07-31 Hotfix Versions: 5.6.0 (Mk4, MK5) and 1.5.0Q (Q1) and 4.2.0 (Mk3) **Urgent hotfix to correct a limited entropy bug** Please regenerate seeds only with this new version of the firmware and any later updates from today onwards. **Mk3 users must regenerate any seeds** made on earlier versions as their entropy is critically low at just ~40 bits. On **Mk4, Mk5 and Q entropy** may be as low as ~72 bits. This is well below our target of 128 bits. Follow the steps listed in [our blog announcement](https://blog.coinkite.com/coldcard-mk3-seed-generation-warning/) to be safe, and please be careful not to cut corners or rush this process. # Release History - [`History-Q.md`](History-Q.md) - [`History-Mk.md` (Mk4 and Mk5)](History-Mk.md) - [`History-Mk3.md`](History-Mk3.md)Excerpt only. The complete copy is held offline and backs quotations on this site. The original publication remains the canonical public source.
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