# Changelog All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). ## 1.9.1 [Unreleased] ### Added ### Changed - Use Trezor instead of TREZOR. ### Deprecated ### Removed ### Fixed ### Security ## 1.9.0 [February 2021] ### Added - "Stay in bootloader" flag ## 1.8.0 [February 2019] ### Changed - Make the update process more similar to Model T process. - Require only left button to start the bootloader. ## 1.6.1 [December 2018] ### Fixed - Fix USB issue on some Windows 10 installations. ## 1.6.0 [September 2018] ### Changed - Switch from HID to WebUSB. ## 1.5.1 [August 2018] ### Fixed - Improve MPU configuration. ## 1.5.0 [Jun 2018] ### Fixed - Make unofficial firmwares work again. ## 1.4.0 [March 2018] ### Added - More flash-write tests. - Support WipeDevice message. ### Fixed - Don't restore storage from unofficial firmware. - Activate MPU and don't switch VTOR table for unofficial firmware. ## 1.3.3 [August 2017] ### Added - Add self-test. ### Fixed - Erase metadata backup after usage. - Erase SRAM on application start. ## 1.3.2 [July 2017] ### Added - Add self-test. ### Changed - Don't show recovery seed warning if firmware is flashed for the first time. - Don't show fingerprint if firmware is flashed for the first time. ### Fixed - Compute firmware hash before checking signatures. - Fix usage of RNG before setup. - Fix stack protector fault. ## 1.3.1 [February 2017] ### Fixed - Fix button testing so it does not break USB communication. ## 1.3.0 [October 2016] ### Added - Add test for buttons. ### Changed - Clean USB descriptor. - Return firmware_present in Features response. - Don't halt on broken firware, stay in bootloader. ## 1.2.8 [September 2016] ### Fixed - Don't halt on broken firmware. ## 1.2.7 [May 2016] ### Changed - Optimize speed of firmware update. ## 1.2.6 [February 2016] ### Changed - Show hash of unofficial firmware. - Clean USB descriptor. ### Fixed - Use stack protector. ## 1.2.5 [October 2014] ### Added - Initial import of code.