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Trezor device firmware update December 2021

The December 2021 Trezor device firmware updates brings the Trezor Model T to firmware version 2.4.3 and the Trezor Model One to firmware version 1.10.4, introducing the following improvements:

To download and apply the update, open Trezor Suite and follow the on-screen instructions.

Trezor Model One [new firmware version 1.10.4]

Additions

Support no_script_type option in SignMessage.
Implement pagination in SignMessage and VerifyMessage.
Show address confirmation in SignMessage.
Support GetAddress for Taproot addresses.
Support sending to Taproot addresses.
Support spending from Taproot UTXOs.
Support for Taproot descriptors.
Ethereum: support 64-bit chain IDs.
Support for Ethereum EIP-1559 transactions.
Stellar: add support for StellarManageBuyOfferOp and StellarPathPaymentStrictSendOp.
Add script_pubkey field to TxInput message.
Support of BIP-340 Schnorr signatures (using secp256k1-zkp).

Changes

Update QR-code-generator library version.
Show warning dialog in SignMessage if a non-standard path is used.
Disable previous transaction streaming in Bitcoin if all internal inputs are Taproot.
Faster ECDSA signing and verification (using secp256k1-zkp).

Fixes

Remove rest of altcoin logic from bitcoin-only build.
Fix incorrect compile-time check of maximum protobuf message size.

Trezor Model T [new firmware version 2.4.3]

Additions

Convert timestamps to human-readable dates and times.
Support no_script_type option in SignMessage.
Show address confirmation in SignMessage.
Support pre-signed external Taproot inputs in Bitcoin.
Show warning dialog in SignMessage if a non-standard path is used.
Support spending from Taproot UTXOs.
Support GetAddress for Taproot addresses.
Support sending to Taproot addresses.
Support replacement transactions with Taproot inputs in Bitcoin.
Support of BIP-340 Schnorr signatures (using secp256k1-zkp).
Support for Taproot descriptors.
Ethereum: support 64-bit chain IDs.
Support for Cardano multi-sig transactions, token minting, script addresses, multi-sig keys, minting keys and native script verification.
For compatibility with other Cardano implementations, it is now possible to specify which Cardano derivation type is used.
Full type-checking for Ethereum app.
Ethereum - support for EIP712 - signing typed data.
Stellar: add support for StellarManageBuyOfferOp and StellarPathPaymentStrictSendOp.
Add script_pubkey field to TxInput message.

Changes

Cardano root is derived together with the normal master secret.
Update QR-code-generator library version.
Faster ECDSA signing and verification (using secp256k1-zkp).
Most Stellar fields are now required on protobuf level.
Type-checking enabled for apps.stellar.
Updated micropython to version 1.17.
Errors from protobuf decoding are now more expressive.

Fixes

Remove altcoin message definitions from bitcoin-only build.
Ethereum: make it optional to view the entire data field when signing transaction.

For a full overview of firmware changes for the Trezor Model T device, please check our release notes, which can be viewed on our Github via the link below.