# 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/). ## 1.9.4 [to be released on 4th November 2020] ### Added ### Changed ### Deprecated ### Removed ### Fixed ### Security ## 1.9.3 [2nd September 2020] ### Added - XVG support. [#1165] ### Changed - Print inverted question mark for non-printable characters. - Allow spending coins from Bitcoin paths if the coin has implemented strong replay protection via `SIGHASH_FORKID`. [#1188] ### Deprecated ### Removed - ETP, GIN, PTC, ZEL support ### Fixed ### Security ## 1.9.2 [5th August 2020] ### Added - Set initialized in storage to false if no mnemonic is present. [#965] - Support multiple change-outputs. [#1098] ### Changed - `Features.pin_cached` renamed to `unlocked`, and it is now `true` even if PIN is not set. ### Fixed - Re-introduce ability to spend pre-Overwinter UTXO on Zcash-like coins. [#1030] ### Security - Adds a security check to prevent potential issues with paths used in altcoin transactions. ## 1.9.1 [June 2020] ### Security - Stream previous tx also for Segwit inputs. ## 1.9.0 [April 2020] ### Added - Wipe code. - Cache up to 10 sessions (passphrases). - Add feature to retrieve the next U2F counter. ### Changed - Make LoadDevice debug only and drop its XPRV feature. - Passphrase redesign. - Update nanopb api to version 0.4. ### Fixed - Disallow changing of settings via dry-run recovery. - Show xpubs with multisig get_address. ## 1.8.3 [September 2019] ### Fixed - Small code improvements. ## 1.8.2 [August 2019] ### Fixed - OLED display security improvements. - Fix display of non-divisible OMNI amounts. ## 1.8.1 [May 2019] ### Fixed - Fix fault when using the device with no PIN. - Fix OMNI transactions parsing. ## 1.8.0 [February 2019] ### Added - New coins: ATS, KMD, XPM, XSN, ZCL. - New ETH tokens. ### Changed - Included bootloader 1.8.0. ### Fixed - Stellar and NEM fixes. ### Security - Security improvements. - Upgraded to new storage format. ## 1.7.3 [December 2018] ### Fixed - Fix USB issue on some Windows 10 installations. ## 1.7.2 [December 2018] ### Added - Add support for OMNI layer: OMNI/MAID/USDT. ### Changed - Included bootloader 1.6.1. ### Fixed - U2F fixes. - Don't ask for PIN if it has been just set. ## 1.7.1 [October 2018] ### Added - Add support for Lisk. - Add support for Zcash Sapling hardfork. - Implement seedless setup. ## 1.7.0 [September 2018] ### Added - Add support for Stellar. ### Changed - Switch from HID to WebUSB. - Included bootloader 1.6.0. ## 1.6.3 [August 2018] ### Added - Implement RSKIP-60 Ethereum checksum encoding. - Add support for new Ethereum networks (ESN, AKA, ETHO, MUSI, PIRL, ATH, GO). - Add support for new 80 Ethereum tokens. ### Changed - Included bootloader 1.5.1. ### Security - Improve MPU configuration. ## 1.6.2 [June 2018] ### Added - Add possibility to set custom auto-lock delay. - Bitcoin Cash cashaddr support. - Zcash Overwinter hardfork support. - Support for new coins (DCR, BTCP, FUJI, GRS, VTC, VIA, XZC). - Support for new Ethereum networks (EOSC, ETHS, ELLA, CTL, EGEM, WAN). - Support for 500+ new Ethereum tokens. ### Changed - Included bootloader 1.5.0. ## 1.6.1 [March 2018] ### Changed - Use fixed-width font for addresses. - Lots of under-the-hood improvements. - Included bootloader 1.4.0. ### Fixed - Fixed issue with write-protection settings. ## 1.6.0 [November 2017] ### Added - Native SegWit (Bech32) address support. - Show recognized BIP44/BIP49 paths in GetAddress dialog. - NEM support. - Expanse and UBIQ chains support. - Support or new coins (BTG, DGB, MONA). - Ed25519 collective signatures (CoSi) support. ## 1.5.2 [August 2017] ### Security - Clean memory on start. - Fix storage import from older versions. ## 1.5.1 [July 2017] ### Added - Enable Segwit for Bitcoin. - Bcash aka Bitcoin Cash support. - Message signing/verification for Ethereum and Segwit. - Use checksum for Ethereum addresses. - Add more ERC-20 tokens, handle unrecognized ERC-20 tokens. - Allow "dry run" recovery procedure. - Allow separated backup procedure. ### Changed - Make address dialog nicer (switch text/QR via button). ### Security - Wipe storage after 16 wrong PIN attempts. ## 1.5.0 [May 2017] ### Added - Enable Segwit for Testnet and Litecoin. - Enable ERC-20 tokens for Ethereum chains. ## 1.4.2 [January 2017] ### Added - New Matrix-based recovery method. ### Fixed - Minor Ethereum fixes (including EIP-155 replay protection). - Minor USB, U2F and GPG fixes. ## 1.4.1 [October 2016] ### Added - Support for Zcash JoinSplit transactions. - Enable device lock after 10 minutes of inactivity. - Enable device lock by pressing left button for 2 seconds. - Confirm dialog for U2F counter change. ## 1.4.0 [August 2016] ### Added - U2F support. - Ethereum support. - GPG decryption support. - Zcash support. ## 1.3.6 [June 2016] ### Added - Enable advanced transactions such as ones with REPLACE-BY-FEE and CHECKLOCKTIMEVERIFY. - Message verification now shows address. - Enable GPG signing support. - Enable Ed25519 curve (for SSH and GPG). - Use separate deterministic hierarchy for NIST256P1 and Ed25519 curves. - Users using SSH already need to regenerate their keys using the new firmware! ### Fixed - Fix message signing for altcoins. ## 1.3.5 [February 2016] ### Changed - Double size font for recovery words during the device setup. ### Fixed - Optimizations for simultaneous access when more applications try communicate with the device. ## 1.3.4 [August 2015] ### Added - Screensaver active on ClearSession message. - Support for NIST P-256 curve. - Show seconds counter during PIN lockdown. ### Changed - Updated SignIdentity to v2 format. - Updated maxfee per kb for coins. ## 1.3.3 [April 2015] ### Added - Ask for PIN on GetAddress and GetPublicKey. ### Fixed - Signing speed improved. ## 1.3.2 [March 2015] ### Added - Login feature via SignIdentity message. - GetAddress for multisig shows M of N description. ### Fixed - Fix check during transaction streaming. ### Security - PIN checking in constant time. ## 1.3.1 [February 2015] ### Added - Enabled OP_RETURN. - Added option to change home screen. ### Changed - Optimized signing speed. - Moved fee calculation before any signing. ### Fixed - Made PIN delay increase immune against hardware hacking. ## 1.3.0 [December 2014] ### Added - Added multisig support. - Added visual validation of receiving address. - Added ECIES encryption capabilities. ## 1.2.1 [July 2014] ### Added - Added stack overflow protection. - Added compatibility with Trezor Bridge. ## 1.2.0 [July 2014] ### Changed - Better UI for signing/verifying messages. - Smaller firmware size. ### Fixed - Fix false positives for fee warning. ## 1.1.0 [June 2014] ### Added - Added AES support. ### Fixed - Minor UI fixes. - Better handling of unexpected messages. ## 1.0.0 [April 2014] ### Added - Added support for streaming of transactions into the device. ### Fixed - Removed all current limits on size of signed transaction. [#965]: https://github.com/trezor/trezor-firmware/issues/965 [#1030]: https://github.com/trezor/trezor-firmware/issues/1030 [#1098]: https://github.com/trezor/trezor-firmware/issues/1098 [#1165]: https://github.com/trezor/trezor-firmware/pull/1165 [#1188]: https://github.com/trezor/trezor-firmware/issues/1188