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Firmware changelog

Table of Contents

Firmware changelog is a log of all notable changes made to Trezor firmware. See respective sections for details.

Trezor Safe 5

Trezor Safe 5 firmware cumulative changelog

VersionRelease dateNotes
2.8.1021 May 2025source code, +extra Bitcoin-only firmware
2.8.919 March 2025source code, +extra Bitcoin-only firmware
2.8.722 January 2025source code, +extra Bitcoin-only firmware
2.8.318 September 2024source code, +extra Bitcoin-only firmware
2.8.121 August 2024source code, +extra Bitcoin-only firmware
2.8.09 July 2024source code, +extra Bitcoin-only firmware
2.7.214 June 2024source code, +extra Bitcoin-only firmware

Trezor Safe 3

Trezor Safe 3 firmware cumulative changelog

VersionRelease dateNotes
2.8.1021 May 2025source code, +extra Bitcoin-only firmware
2.8.919 March 2025source code, +extra Bitcoin-only firmware
2.8.722 January 2025source code, +extra Bitcoin-only firmware
2.8.09 July 2024source code, +extra Bitcoin-only firmware
2.7.214 June 2024source code, +extra Bitcoin-only firmware
2.7.020 March 2024source code, +extra Bitcoin-only firmware
2.6.420 December 2023source code, +extra Bitcoin-only firmware
2.6.315 November 2023source code, +extra Bitcoin-only firmware

Trezor Model T

Trezor Model T firmware cumulative changelog

VersionRelease dateNotes
2.8.1021 May 2025source code, +extra Bitcoin-only firmware
2.8.919 March 2025source code, +extra Bitcoin-only firmware
2.8.819 February 2025source code, +extra Bitcoin-only firmware
2.8.722 January 2025source code, +extra Bitcoin-only firmware
2.8.121 August 2024source code, +extra Bitcoin-only firmware
2.7.214 June 2024source code, +extra Bitcoin-only firmware
2.7.020 March 2024source code, +extra Bitcoin-only firmware
2.6.420 December 2023source code, +extra Bitcoin-only firmware
2.6.315 November 2023source code, +extra Bitcoin-only firmware
2.6.019 April 2023source code, blog post, +extra Bitcoin-only firmware
2.5.32 November 2022source code, blog post, +extra Bitcoin-only firmware
2.5.217 August 2022source code, blog post, +extra Bitcoin-only firmware
2.5.118 May 2022source code, blog post, +extra Bitcoin-only firmware
2.4.38 Dec 2021source code, blog post, +extra Bitcoin-only firmware
2.4.216 Sep 2021source code, +extra Bitcoin-only firmware
2.4.114 July 2021source code, +extra Bitcoin-only firmware
2.4.09 June 2021source code, +extra Bitcoin-only firmware
2.3.615 February 2021source code, +extra Bitcoin-only firmware
2.3.510 February 2021source code, blog post, +extra Bitcoin-only firmware
2.3.47 October 2020source code, blog post, +extra Bitcoin-only firmware
2.3.32 September 2020source code, blog post, +extra Bitcoin-only firmware
2.3.25 August 2020source code, blog post, +extra Bitcoin-only firmware
2.3.13 June 2020source code, blog post, technical details blog post, +extra Bitcoin-only firmware
2.3.015 April 2020source code, blog post, +extra Bitcoin-only firmware
2.2.08 January 2020retracted
2.1.86 November 2019source code, +extra Bitcoin-only firmware
2.1.714 October 2019source code (minor bug fix), +extra Bitcoin-only firmware
2.1.62 October 2019source code, +extra Bitcoin-only firmware
2.1.54 September 2019source code, +extra Bitcoin-only firmware, blog post
2.1.412 August 2019source code (minor bug fix)
2.1.37 August 2019source code (retracted)
2.1.15 June 2019source code
2.1.06 March 2019source code, Product blog, Security Updates Blog, Dev Corner Blog
2.0.105 December 2018source code (minor bug fix)
2.0.97 November 2018source code, blog post
2.0.725 June 2018source code, blog post
2.0.623 March 2018source code
2.0.51 March 2018source code (initial release)

Trezor Model One

Trezor Model One firmware cumulative changelog

VersionRelease dateNotes
1.13.121 May 2025source code + extra Bitcoin-only firmware
1.13.019 February 2025source code + extra Bitcoin-only firmware
1.12.115 March 2023source code, release article, + extra Bitcoin-only firmware
1.11.217 August 2022source code, blog post, +extra Bitcoin-only firmware
1.11.118 May 2022source code, blog post, +extra Bitcoin-only firmware
1.10.519 Jan 2022source code, blog post, +extra Bitcoin-only firmware
1.10.48 Dec 2021source code, blog post, +extra Bitcoin-only firmware
1.10.316 Sep 2021source code, +extra Bitcoin-only firmware
1.10.214 July 2021source code, +extra Bitcoin-only firmware
1.10.19 June 2021source code, +extra Bitcoin-only firmware
1.10.012 May 2021source code, blog post, +extra Bitcoin-only firmware
1.9.410 February 2021source code, blog post, +extra Bitcoin-only firmware
1.9.32 September 2020source code, blog post, +extra Bitcoin-only firmware
1.9.25 August 2020source code, blog post, +extra Bitcoin-only firmware
1.9.13 June 2020source code, blog post, technical details blog post, extra Bitcoin-only firmware
1.9.015 April 2020source code, blog post, +extra Bitcoin-only firmware
1.8.34 September 2019source code, +extra Bitcoin-only firmware, blog post
1.8.27 August 2019source code, Security Updates Blog
1.8.11 May 2019source code (minor bug fix)
1.8.027 February 2019source code, Product blog, Security Updates Blog, Dev Corner Blog
1.7.320 December 2018source code (minor bug fix)
1.7.218 December 2018source code, blog post, security update blog post
1.7.17 November 2018source code, blog post
1.6.320 August 2018source code, blog post
1.6.225 June 2018source code, blog post, security update blog post
1.6.121 March 2018source code, blog post
1.6.016 November 2017source code, blog post
1.5.216 August 2017source code, blog post, security update blog post
1.5.131 July 2017source code
1.5.019 May 2017source code, blog post
1.4.225 January 2017source code
1.4.121 October 2016source code
1.4.031 August 2016source code
1.3.67 June 2016source code, blog post
1.3.515 February 2016source code, blog post
1.3.44 August 2015source code, blog post
1.3.32 April 2015source code
1.3.221 March 2015source code
1.3.116 February 2015source code
1.3.027 December 2014source code
1.2.130 July 2014source code
1.2.01 July 2014source code
1.1.011 June 2014source code
1.0.029 February 2014source code (initial release)
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