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trezor-firmware/core/embed/projects/bootloader/CHANGELOG.md
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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

2.1.9 [September 2024]

Changed

  • [T3T1] Ignore touch errors while in manufacturing. [#4195]

2.1.8 [September 2024]

Added

  • Added firmware downgrade protection. [#4133]

Changed

  • Require confirmation when installing non-full trust firmware image on empty device. [#3709]
  • Fix incorrect error message when installing firmware for different model. [#4081]
  • [T3B1, T3T1] Added bootloader unlock mechanism to U5 models. [#4133]

Fixed

  • [T3B1] UI adjustments: fix icon on warning screen, replace empty logo with full during boot. [#4140]

2.1.7 [July 2024]

Added

  • [T3B1] Added support for T3B1.

2.1.6 [May 2024]

Added

  • Added unit_packaging field to Features. [#3711]

Changed

  • [T3T1] Changed USB manufacturer string to "Trezor Company" and product string to "Trezor Safe 5" in the USB descriptor strings. [#3770]

2.1.5 [April 2024]

Added

  • Added support for T3T1
  • Added basic support for STM32U5 [#3370]

Changed

  • Speed-up device boot [#3429]

2.1.4 [November 2023]

Added

  • Minimize risk of losing seed when upgrading firmware. [#2794]
  • Support interaction-less upgrade. [#2919]

2.1.3 [September 2023]

Changed

  • Split builds of different parts to use simple util.s assembler, while FW+bootloader use interconnected ones. [#3205]
  • No longer erases seed when firmware is corrupted but firmware header is correct and signed. Added firmware corrupted info to bootloader screen. [#3122]
  • Correctly reinitialize Optiga SE when rebooting. [#3303]

2.1.2 [August 2023]

Internal only release for Model R prototypes.

Added

  • Added support for STM32F429I-DISC1 board [#2989]
  • Locked bootloader support: bootloader will disallow installation of unofficial firmware unless the Optiga pairing secret is erased.
  • Support unlocking the bootloader via UnlockBootloader message.

Changed

  • Show "empty lock" logo together with model name (replacing the "filled lock" logo for bootloader entirely). [#3222]
  • When building a PRODUCTION=0 bootloader, it will recognize the development signing keys instead of production ones.

Fixed

  • Fixed gamma correction settings for Model T [#2955]

2.1.1 [June 2023]

Internal only release for Model R prototypes.

Added

  • Added production public keys for T2B1. [#3048]
  • Added UI for T2B1.

Fixed

  • Fix installation of images smaller than 128kB. [#2941]

2.1.0 [April 2023]

Added

  • Optimize touch controller communication [#262]
  • Bootloader redesign [#1049]
  • Add basic Trezor Model R hardware support [#2243]
  • Jump and stay in bootloader from firmware through SVC call reverse trampoline. [#2284]
  • Add RGB LED for Model R [#2300]
  • Using hardware acceleration (dma2d) for rendering [#2414]
  • Add stack overflow detection [#2427]
  • Add model info to image and check when installing/running firmware [#2623]
  • Introduced bootloader emulator. [#2879]

Changed

  • Update logic of vendor header comparison. [#1599]
  • CPU Frequency increased to 180 MHz [#2587]
  • Fixed display blinking by increasing backlight PWM frequency [#2595]

Fixed

  • Fixed retries counter when reading from USB [#2896]

Security

  • Avoid accidental build with broken stack protector [#1642]

2.0.4 [May 2022]

Security

  • Intentionally skipped this version due to fake devices

2.0.3 [March 2019]

Security

  • Enable MPU
  • Introduce delays to USB stack

2.0.2 [December 2018]

Added

  • Support for a new display driver

2.0.1 [February 2018]

Added