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trezor-firmware/legacy/firmware/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](https://keepachangelog.com/en/1.0.0/).
## 1.9.3 [to be released on 2nd September 2020]
### Added
- XVG support. [#1165]
- Ask user to confirm custom nLockTime.
### 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
- Show non-empty passphrase on device when it was entered on host.
## 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
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