# 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/). ## 2.1.1 [September 2023] ### Added - Added support for STM32F429I-DISC1 board [#2989] ### Fixed - Fixed gamma correction settings for Model T [#2955] - Removed unwanted delay when resetting LCD on the Model R. [#3222] ## 2.1.0 [June 2023] Internal only release for Model R prototypes. ### Added - Add basic Trezor Model R hardware support [#2243] - Boardloader capabilities structure [#2324] - Using hardware acceleration (dma2d) for rendering [#2414] - Check image model when replacing bootloader [#2623] - Added production public keys for T2B1. [#3048] ### Changed - CPU Frequency increased to 180 MHz [#2587] - Fixed display blinking by increasing backlight PWM frequency [#2595] ### Security - Avoid accidental build with broken stack protector [#1642] [#1642]: https://github.com/trezor/trezor-firmware/pull/1642 [#2243]: https://github.com/trezor/trezor-firmware/pull/2243 [#2324]: https://github.com/trezor/trezor-firmware/pull/2324 [#2414]: https://github.com/trezor/trezor-firmware/pull/2414 [#2587]: https://github.com/trezor/trezor-firmware/pull/2587 [#2595]: https://github.com/trezor/trezor-firmware/pull/2595 [#2623]: https://github.com/trezor/trezor-firmware/pull/2623 [#2955]: https://github.com/trezor/trezor-firmware/pull/2955 [#2989]: https://github.com/trezor/trezor-firmware/pull/2989 [#3048]: https://github.com/trezor/trezor-firmware/pull/3048 [#3222]: https://github.com/trezor/trezor-firmware/pull/3222