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Trezor firmware

Firmware monorepo for Trezor One, Model T, and Safe devices.

BitcoinHardware walletsNormal
Repository coverage

2664 commits in the local evidence base

Every captured commit receives deterministic security triage and a separate communication-quality score. Security candidates and broader second-pass signals receive full-patch Ollama analysis.

918security candidates311second-pass queue2657AI analyses
331commits · 30 days
576commits · 60 days
1365commits · 180 days
2649commits · 365 days
Backfill bands
Aug 5 → Feb 61298 seen115 candidatesComplete
Feb 6 → Jun 6775 seen58 candidatesComplete
Jun 6 → Jul 6217 seen13 candidatesComplete
Jul 6 → Aug 5360 seen54 candidatesComplete
Commit communication

Does the history explain itself?

Message quality measures whether a commit identifies its scope, purpose, rationale, testing, and supporting references. It does not change the security-severity score.

66/100 average clarity
475Strong · 80–100
1321Adequate · 60–79
863Thin · 40–59
5Opaque · 0–39
Read the scoring rubric →
Developer activity

Who is changing the project?

Public Git author strings; identities are not independently verified.

DeveloperCommitsCandidatesAnalyzedHigh riskMessage avg.
tychovrahe292104292461
Roman Zeyde575179573271
PrisionMike945994273
Andrew Kozlik712470265
obrusvit21376213164
Jakub Janků22919182
Martin Pastyřík23823173
cepetr19682196059
Ioan Bizău23076230059
M1nd3r20671206071
Lukas Bielesch846784067
Martin Milata17446174063
Analysis record

Published AI watches

Last scanned 46 minutes ago

Low 27 AI analysisMessage 93 · Strong
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(core): digest EIP-1559/EIP-7702 magic without RLP encoding

This commit is a small internal cleanup in Trezor's Ethereum signing code. It changes how two special 'magic' bytes (the transaction type markers for newer Ethereum transaction formats) are fed into the cryptographic hash. Previously the c…

Refactor of cryptographic hashing path for Ethereum transaction signingRemoval of implicit assumption that RLP encodes small integers as single bytesChange affects EIP-1559 and EIP-7702 transaction type markers
2362bc6fby Roman Zeyde+6−32 files
No security note in commit
Informational 15 AI analysisMessage 98 · Strong
TZ TrezorTrezor firmware BitcoinHardware wallets

test(core): test RLP self-encoding bytestrings

This commit only adds a new unit test to the Trezor firmware codebase. It verifies that very short Ethereum RLP-encoded byte strings and small positive integers encode to themselves, which is a known property of the RLP specification. No p…

41538733by Roman Zeyde+16−01 file
No security note in commit
Informational 18 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

chore(core): remove sha1 from regular FW

This commit removes the SHA-1 hashing function from the regular Trezor firmware. SHA-1 is an old, weak hash algorithm that is no longer considered secure for sensitive uses. The change deletes the code that exposes SHA-1 to apps running on…

Removal of a deprecated cryptographic primitive (SHA-1) from the firmware API surfaceReduction of attack surface and prevention of future misuse of a collision-vulnerable hashNo direct vulnerability patch or memory-safety bug is present in the diff
16d15774by M1nd3r+0−2006 files
No security note in commit
Low 27 AI analysisMessage 62 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(crypto): pass static public key to `noise_xxpsk3_*_init()`

This commit changes how a cryptographic library sets up secure connections. Previously, the code automatically calculated the public key from the private key. Now, the caller must provide the public key directly. This is a code-quality ref…

Cryptographic key handling changed: public key is now supplied rather than derivedPotential reduction of key-mismatch risk if caller provides correct public keyNew null-pointer check added for static_public_key
1b3128a4by Ondřej Vejpustek+20−92 files
No security note in commit
Informational 15 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(crypto): change order of parameters

This commit simply reorders the arguments of an internal function called dh() and updates every place that calls it. The actual math and security behavior are unchanged; it is a code cleanup with no security effect.

33a119eeby Ondřej Vejpustek+15−151 file
No security note in commit
Informational 15 AI analysisMessage 47 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(crypto): prefix enums

This commit simply renames two groups of internal status labels (called enums) in the Trezor firmware's cryptographic code. The old names like WAITING_FOR_REQUEST1 were shared between two different parts of the code, so the developer gave …

f1c74046by Ondřej Vejpustek+26−222 files
No security note in commit
Low 37 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

fix(crypto): prevent calling `memzero(NULL, ...)`

This commit fixes three places in the Trezor firmware's cryptographic code where a memory-clearing function could be called with a NULL pointer. In practice, passing NULL to memzero is harmless on Trezor's platform (it does nothing), but i…

NULL pointer passed to memory-zeroing helper in cryptographic codeUndefined behavior in C standard library contractDefensive hardening in Noise protocol implementation
0394e934by Ondřej Vejpustek+11−51 file
No security note in commit
Informational 18 AI analysisMessage 62 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(crypto): return remote static key from `noise_xxpsk3_*_handle_*()`

This commit is a code cleanup (refactor) for the cryptographic handshake code used in Trezor devices. It changes how the other party's long-term public key is returned to the caller: instead of storing it inside an internal state structure…

Removal of long-term public key storage from internal handshake stateCaller-supplied output buffer for remote static public key reduces internal secret retentionError-path memzero of returned key material on failure
3ead1aa6by Ondřej Vejpustek+79−423 files
No security note in commit
Informational 15 AI analysisMessage 62 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(xtask): rename ProjectProfile to ProjectConfig

This commit is a simple rename from 'ProjectProfile' to 'ProjectConfig' in two Rust source files. It only changes variable names, struct names, and error messages. There is no change to program logic, security behavior, or how data is hand…

581b37bcby cepetr+18−182 files
No security note in commit
Informational 15 AI analysisMessage 47 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(xtask): introduce ResolvedBuildArgs

This commit is a straightforward internal code refactor in Trezor's build tooling. It introduces a new ResolvedBuildArgs structure that centralizes default values for command-line build options before they are used. There is no change to u…

c24d1be8by cepetr+99−295 files
No security note in commit
Informational 15 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(xtask): make build args tristate

This commit is a straightforward internal refactor of the Trezor firmware build tool's command-line argument handling. It changes many on/off flags from plain booleans to optional booleans so they can explicitly be set to true, false, or l…

271e249aby cepetr+57−561 file
No security note in commit
Informational 15 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(xtask): introduce build options

This commit is a straightforward internal code reorganization in Trezor's build tooling. It moves build-option definitions from one Rust source file to a new module and adds the ability to load those options from a configuration file. Ther…

75085e2aby cepetr+275−2007 files
No security note in commit
Informational 15 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(xtask): introduce build presets

This commit is a developer tooling change for the Trezor firmware build system. It introduces 'build presets'—named configuration bundles stored in TOML files—so developers can select common build settings with a single command-line flag i…

eefe8f7fby cepetr+397−419 files
No security note in commit
Informational 15 AI analysisMessage 62 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(xtask): upgrade manifest.yaml for tf-tools 0.3.0

This commit is a routine update to a build-system manifest file used by Trezor's internal tooling. It reorganizes and re-labels feature flags (for example, moving options between 'Features', 'Debugging', and 'Signing' groups and simplifyin…

57b28b89by cepetr+86−1351 file
No security note in commit
Informational 15 AI analysisMessage 62 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(core): add tf-tools 0.3.1+ configuration file

This commit adds a single configuration file for a Trezor developer tool (a VS Code extension). It only points the tool to existing folders in the repository and contains no executable code, no secrets, and no changes to firmware behavior.…

e554f618by cepetr+8−01 file
No security note in commit
Informational 15 AI analysisMessage 62 · Adequate
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(xtask): rename ResolvedBuild to ResolvedBuildFeatures

This commit is a simple internal code cleanup: it renames a Rust data structure called ResolvedBuild to ResolvedBuildFeatures and updates the places that use it. There are no functional changes, no security fixes, and no changes to how the…

aaa2780bby cepetr+5−52 files
No security note in commit
Informational 15 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

fix(core): fix up clippy warnings in storage.rs

This is a tiny code cleanup commit that replaces two calls to `ptr::null()` with Rust's `unwrap_or_default()` to silence automated Clippy lint warnings. It does not change what value is produced (still a null pointer when no salt is provid…

62354461by cepetr+2−21 file
No security note in commit
Informational 15 AI analysisMessage 47 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

refactor(xtask): simplify dependencies

This commit is a straightforward internal code cleanup in Trezor's build tooling. It moves a data structure and two helper methods from one Rust source file to another and updates callers accordingly. There is no change to user-facing beha…

6268349fby cepetr+9−193 files
No security note in commit
Informational 15 AI analysisMessage 47 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

docs: add xtask documentation

This commit only adds documentation. It updates the table of contents and adds a new markdown page plus a diagram explaining the project's 'xtask' build helper. No code, build scripts, or firmware logic was changed, so it cannot introduce …

4879dababy cepetr+296−03 files
No security note in commit
Informational 17 AI analysisMessage 57 · Thin
TZ TrezorTrezor firmware BitcoinHardware wallets

feat(xtask): introduce project-toml build-options

This commit is a build-system refactoring for Trezor firmware. It moves the mapping of command-line build options to Rust/cargo features out of hard-coded Rust logic and into per-project TOML files. It also adds a small change so debug bui…

Build-option mapping now lives in project.toml files, increasing the attack surface for supply-chain/build-configuration tamperingMakefile change automatically enables debug-link for PYOPT=0 debug buildsValidation added to reject storage_insecure_testing_mode in production builds
d44de007by cepetr+681−40817 files
No security note in commit
Repository ledger

Explore captured commits

Expand any commit for its author, full message, clarity score, changed files, triage signals, analysis, and source link.

Lower-prioritydocs(core): fix recovery-related commentby Roman Zeyde · e81d09e4 · Mar 31, 2026 · 1 fileMessage 57 · ThinInformational 15Details
Commit message · Roman Zeyde

docs(core): fix recovery-related comment

[no changelog]

57/100 · ThinMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
AI analysis · Informational 15/100

This commit changes only a single word inside a code comment, correcting the name of a function referenced in the comment text. No executable code, logic, or behavior was modified.

Lower-priorityrefactor(core): simplify word validity error handling on recoveryby Roman Zeyde · c81cacac · Mar 31, 2026 · 3 filesMessage 62 · AdequateInformational 13Details
Commit message · Roman Zeyde

refactor(core): simplify word validity error handling on recovery

[no changelog]

62/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
AI analysis · Informational 13/100

This commit is a straightforward internal code cleanup in the Trezor firmware's wallet recovery flow. It moves the responsibility for showing error screens from the layout code into the exception classes themselves, without changing what errors are detected or how the recovery process behaves. There is no indication this fixes a security bug or introduces a vulnerability.

Lower-priorityrefactor(core): simplify recovery flowby Roman Zeyde · 63a80f10 · Mar 31, 2026 · 1 fileMessage 80 · StrongInformational 12Details
Commit message · Roman Zeyde

refactor(core): simplify recovery flow

- `_request_share_first_screen()` calling mechanism is simplified
- `_request_share_next_screen()` is inlined
- `layout.request_mnemonic()` handling is extracted
- `is_first_step` boolean flag is removed

[no changelog]

80/100 · StrongMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides detailed explanatory context
AI analysis · Informational 12/100

This is a code cleanup (refactor) of the wallet recovery flow in Trezor firmware. It restructures how the device asks users to enter backup/recovery words and removes an unused helper function. There is no indication of a security fix or behavior change that would affect user funds or device security.

Security candidaterefactor(core): move Caesar-specific recovery confirmation layoutby Roman Zeyde · 2facb49f · Mar 31, 2026 · 3 filesMessage 62 · AdequateInformational 15Details
Commit message · Roman Zeyde

refactor(core): move Caesar-specific recovery confirmation layout

[no changelog]

62/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
Why it was queued
cryptography-sensitive path
AI analysis · Informational 15/100

This commit is a straightforward code cleanup: it moves a confirmation screen that appears during wallet recovery from one file to another, so the same screen is still shown but in a more appropriate place. There is no security-relevant change.

AI review queuedchore(deps): bump ecdsa from 0.16.1 to 0.19.2by dependabot[bot] · 6b7e39da · Mar 31, 2026 · 2 filesMessage 88 · StrongLow 25Details
Commit message · dependabot[bot]

chore(deps): bump ecdsa from 0.16.1 to 0.19.2

Bumps [ecdsa](https://github.com/tlsfuzzer/python-ecdsa) from 0.16.1 to 0.19.2.
- [Release notes](https://github.com/tlsfuzzer/python-ecdsa/releases)
- [Changelog](https://github.com/tlsfuzzer/python-ecdsa/blob/master/NEWS)
- [Commits](https://github.com/tlsfuzzer/python-ecdsa/compare/python-ecdsa-0.16.1...python-ecdsa-0.19.2)

---
updated-dependencies:
- dependency-name: ecdsa
dependency-version: 0.19.2
dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

88/100 · StrongMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides detailed explanatory context✓ Links an issue, advisory, or supporting reference
Why it was queued
fuzzing or regression evidenceautomated dependency-update discountsecond-pass: broader security terminology
AI analysis · Low 25/100

This is a routine dependency update by an automated bot, bumping the Python 'ecdsa' library from version 0.16.1 to 0.19.2 in Trezor's firmware build tooling. The commit itself only changes version numbers and download hashes; it does not show any actual code fix or vulnerability. Dependency updates can sometimes include security fixes, but this commit does not say that is the reason, and no verified security references were provided.

Lower-priorityci: compare Cargo.lock to common ancestor instead of mainby Martin Milata · ef45686b · Mar 31, 2026 · 1 fileMessage 62 · AdequateInformational 15Details
Commit message · Martin Milata

ci: compare Cargo.lock to common ancestor instead of main

62/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
Why it was queued
documentation-only discount
AI analysis · Informational 15/100

This is a one-line change to Trezor's GitHub Actions CI workflow. It adjusts how the build system checks whether the Rust dependency lockfile (Cargo.lock) has changed. Previously it compared against the main branch; now it compares against the pull request's base branch (the branch the PR targets). This is a normal CI correctness fix and has no direct security relevance.

AI review queuedchore(deps): bump cryptography from 46.0.5 to 46.0.6by dependabot[bot] · c098d5a4 · Mar 31, 2026 · 1 fileMessage 93 · StrongLow 25Details
Commit message · dependabot[bot]

chore(deps): bump cryptography from 46.0.5 to 46.0.6

Bumps [cryptography](https://github.com/pyca/cryptography) from 46.0.5 to 46.0.6.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pyca/cryptography/compare/46.0.5...46.0.6)

---
updated-dependencies:
- dependency-name: cryptography
dependency-version: 46.0.6
dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

93/100 · StrongMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides detailed explanatory context✓ Links an issue, advisory, or supporting reference
Why it was queued
automated dependency-update discountsecond-pass: broader security terminology
AI analysis · Low 25/100

This is an automated dependency update by Dependabot that bumps the Python 'cryptography' library from version 46.0.5 to 46.0.6 in the project's lock file. The commit itself only changes package hashes and download URLs; it does not modify Trezor's own code. The 'cryptography' library is widely used for encryption and secure communications, so keeping it up to date is generally good security hygiene. However, the commit message does not say this update fixes any specific security problem, and no verified references were provided. Therefore, while dependency updates can address vulnerabilities, we cannot confirm from this commit alone that a particular security issue is being fixed.

AI review queuedfix: styleby M1nd3r · 0d8332e7 · Mar 31, 2026 · 1 fileMessage 2 · OpaqueInformational 15Details
Commit message · M1nd3r

fix: style

[no changelog]

2/100 · OpaqueMessage clarity
✓ Uses a recognizable type or scope! Very short subject! Too few words to establish purpose! No meaningful explanatory body
Why it was queued
signing or wallet pathsecond-pass: opaque commit messagesecond-pass: security-sensitive path
AI analysis · Informational 15/100

This commit is a pure code-style cleanup in the Ethereum 'clear signing' module. It removes unnecessary extra parentheses around tuple unpacking assignments. There is no functional change, no security fix, and no behavior change to the hardware wallet's transaction handling.

Security candidatefix: style - after update of black to v26.3.1by M1nd3r · d655442d · Mar 31, 2026 · 19 filesMessage 57 · ThinInformational 15Details
Commit message · M1nd3r

fix: style - after update of black to v26.3.1

[no changelog]

57/100 · ThinMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
Why it was queued
cryptography-sensitive pathsigning or wallet path
AI analysis · Informational 15/100

This commit is purely a code-style cleanup triggered by an update to the Python formatter 'black'. It removes unnecessary parentheses around tuple unpacking and adjusts some string-literal formatting. There is no functional change and no security relevance.

Lower-prioritychore(deps): bump black to 26.3.1by M1nd3r · 87c4b242 · Mar 31, 2026 · 1 fileMessage 72 · AdequateInformational 15Details
Commit message · M1nd3r

chore(deps): bump black to 26.3.1

Changes:
Updated black v25.1.0 -> v26.3.1
Updated pathspec v0.12.1 -> v1.0.4
Added pytokens v0.4.1

72/100 · AdequateMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides an explanatory body
AI analysis · Informational 15/100

This commit is a routine dependency update for a Python code-formatting tool called 'black' used during development. It only changes the project's lock file (uv.lock), which records exact package versions. There is no change to the Trezor firmware code that runs on the device, no mention of a security fix, and no indication this introduces a vulnerability.

Lower-prioritydocs(core): fix a docstring typoby Roman Zeyde · e5674630 · Mar 31, 2026 · 1 fileMessage 57 · ThinInformational 15Details
Commit message · Roman Zeyde

docs(core): fix a docstring typo

[no changelog]

57/100 · ThinMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
AI analysis · Informational 15/100

This commit corrects a single-word typo in a code comment. The docstring said the function raises KeyError, but the actual code raises NoWireContext. There is no functional code change and no security impact.

Lower-prioritytest(core): add test for THP handshakeby M1nd3r · 8a9be6cc · Mar 31, 2026 · 2 filesMessage 82 · StrongInformational 15Details
Commit message · M1nd3r

test(core): add test for THP handshake

- Added test: host raises an exception on receipt of malformed `handshake_init_response`.

[no changelog]

82/100 · StrongMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides an explanatory body✓ Mentions testing or verification
AI analysis · Informational 15/100

This commit only adds a new automated test to the Trezor firmware test suite. The test checks that the host-side software correctly raises an error when it receives a tampered handshake response from a Trezor device during the THP (Trezor Host Protocol) handshake. It does not change any device firmware code, fix a bug, or introduce a security vulnerability.

Security candidatechore(core): drop trace-level THP loggingby Roman Zeyde · c6749e54 · Mar 30, 2026 · 3 filesMessage 82 · StrongInformational 15Details
Commit message · Roman Zeyde

chore(core): drop trace-level THP logging

This change significantly reduces signing device tests' duration.

[no changelog]

82/100 · StrongMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides an explanatory body✓ Mentions testing or verification
Why it was queued
signing boundarycryptography-sensitive path
AI analysis · Informational 15/100

This commit simply turns off very detailed internal debug logging in the Trezor hardware wallet's core firmware to make automated tests run faster. It does not change any security logic, encryption, or how the device protects secrets. The logging was already only present in debug builds and never exposed sensitive data in production firmware.

Lower-prioritychore(core/rust): update heapless to 0.9.2by Martin Milata · f5b75576 · Mar 30, 2026 · 3 filesMessage 80 · StrongLow 25Details
Commit message · Martin Milata

chore(core/rust): update heapless to 0.9.2

Changes: https://docs.rs/crate/heapless/0.9.2/source/CHANGELOG.md

[no changelog]

80/100 · StrongMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides an explanatory body✓ Links an issue, advisory, or supporting reference
AI analysis · Low 25/100

This commit updates a Rust helper library called heapless from version 0.8.0 to 0.9.2 inside the Trezor firmware. The change is described as a routine dependency update. The commit message points to the upstream changelog but no specific security issue is mentioned, and no independent security references were provided. The actual code change is just a version bump and a small import-path adjustment in a code-coverage module. There is no direct evidence in the commit that this fixes an exploitable vulnerability, but dependency updates can sometimes include security fixes from upstream.

Lower-priorityfix(core): include led in BLE component conditionallyby tychovrahe · 1483d7ce · Mar 30, 2026 · 1 fileMessage 62 · AdequateInformational 15Details
Commit message · tychovrahe

fix(core): include led in BLE component conditionally

[no changelog]

62/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
AI analysis · Informational 15/100

This is a minor build fix that makes a Bluetooth UI component only import LED-related code when the device actually has an RGB LED feature. It prevents compilation errors on devices without that hardware feature. There is no security issue here.

AI review queuedfeat(ethereum): add erc-4626 vault flow strings [no changelog]by PrisionMike · aa2b95fe · Mar 30, 2026 · 12 filesMessage 77 · AdequateInformational 15Details
Commit message · PrisionMike

feat(ethereum): add erc-4626 vault flow strings
[no changelog]

77/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides an explanatory body
Why it was queued
signing or wallet pathsecond-pass: security-sensitive path
AI analysis · Informational 15/100

This commit only adds new user-facing text strings (labels like 'Deposit amount', 'Withdraw', 'Your address') for an upcoming Ethereum ERC-4626 vault feature. It also moves one existing word ('Deposit') from a Cardano-only string to a shared word list. There are no code logic changes, no security fixes, and no behavior changes in how the device handles transactions or private keys.

Lower-priorityfix(core): use bridge if other transports are unavailableby Roman Zeyde · e3650ccc · Mar 30, 2026 · 1 fileMessage 77 · AdequateInformational 18Details
Commit message · Roman Zeyde

fix(core): use bridge if other transports are unavailable

Also, don't use `set()` as it doesn't preserve insertion order.

[no changelog]

77/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides an explanatory body
AI analysis · Informational 18/100

This commit changes the order in which Trezor's Python library tries different ways to connect to a hardware wallet, and switches from an unordered collection to an ordered list. The practical effect is that if newer direct connection methods (USB, Bluetooth, etc.) are unavailable, the library will fall back to the older 'bridge' method. This is a reliability/usability fix, not a clear security patch. There is no vendor statement that this fixes a security vulnerability.

AI review queuedchore(deps): bump cbor2 from 5.8.0 to 5.9.0by dependabot[bot] · 4cde1547 · Mar 30, 2026 · 1 fileMessage 88 · StrongInformational 14Details
Commit message · dependabot[bot]

chore(deps): bump cbor2 from 5.8.0 to 5.9.0

Bumps [cbor2](https://github.com/agronholm/cbor2) from 5.8.0 to 5.9.0.
- [Release notes](https://github.com/agronholm/cbor2/releases)
- [Commits](https://github.com/agronholm/cbor2/compare/5.8.0...5.9.0)

---
updated-dependencies:
- dependency-name: cbor2
dependency-version: 5.9.0
dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

88/100 · StrongMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides detailed explanatory context✓ Links an issue, advisory, or supporting reference
Why it was queued
automated dependency-update discountsecond-pass: broader security terminology
AI analysis · Informational 14/100

This is a routine automated update by Dependabot that bumps the Python library cbor2 from version 5.8.0 to 5.9.0 in the project's lock file (uv.lock). Only hashes and download URLs for the package changed. There is no indication in the commit itself that this fixes or introduces a security problem. Without checking the upstream cbor2 release notes, we cannot say whether the new version addresses any vulnerabilities.

Lower-prioritychore(core): remove `unsafe impl Sync for FontInfo`by Roman Zeyde · f014cc27 · Mar 30, 2026 · 1 fileMessage 62 · AdequateLow 26Details
Commit message · Roman Zeyde

chore(core): remove `unsafe impl Sync for FontInfo`

[no changelog]

62/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
AI analysis · Low 26/100

This commit removes a small piece of Rust code that manually marked a font data structure as safe to share between threads. The commit message calls it a cleanup ('chore') and gives no security context. On its own, the change is minor and defensive, but the reason for the original unsafe marker and its removal is not explained in the materials provided.

AI review queuedchore(deps): bump requests from 2.32.5 to 2.33.0by dependabot[bot] · 8f41003e · Mar 30, 2026 · 1 fileMessage 88 · StrongInformational 15Details
Commit message · dependabot[bot]

chore(deps): bump requests from 2.32.5 to 2.33.0

Bumps [requests](https://github.com/psf/requests) from 2.32.5 to 2.33.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.32.5...v2.33.0)

---
updated-dependencies:
- dependency-name: requests
dependency-version: 2.33.0
dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

88/100 · StrongMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides detailed explanatory context✓ Links an issue, advisory, or supporting reference
Why it was queued
automated dependency-update discountsecond-pass: broader security terminology
AI analysis · Informational 15/100

This is a routine automated dependency update by Dependabot. It changes the pinned version of the Python 'requests' library from 2.32.5 to 2.33.0 in the project's lock file only. There is no indication in the commit that this fixes a security issue, and the change itself is just a version/hash update with no code modifications.

AI review queuedfix(python): skip unrelated responses when probing transportby Roman Zeyde · d7539ca0 · Mar 28, 2026 · 2 filesMessage 85 · StrongLow 38Details
Commit message · Roman Zeyde

fix(python): skip unrelated responses when probing transport

Also, simplify a bit protocol v1 magic handling flow.

Fixes https://github.com/trezor/trezor-firmware/issues/6588.

85/100 · StrongMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides an explanatory body✓ Links an issue, advisory, or supporting reference
Why it was queued
parser or protocol pathsecond-pass: security-sensitive path
AI analysis · Low 38/100

This commit fixes a bug in the Python Trezor client library that could cause it to crash or fail to connect when probing a Trezor device. The problem happened when leftover or unrelated data packets were still sitting in the communication channel. Previously, the library would see an unexpected packet, treat it as a protocol error, and give up. Now it skips those unrelated packets and waits for the real response. This is a reliability and minor security improvement for the host-side software, not the hardware wallet firmware itself.

Lower-priorityrefactor(core): reimplement `math.log()` in `bulletproof` moduleby Roman Zeyde · 109183c6 · Mar 27, 2026 · 2 filesMessage 62 · AdequateInformational 18Details
Commit message · Roman Zeyde

refactor(core): reimplement `math.log()` in `bulletproof` module

[no changelog]

62/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
AI analysis · Informational 18/100

This commit replaces the standard Python math.log() function with a custom integer-only log2 function inside the Monero bulletproof code on Trezor devices. The change appears to be a cleanup or performance refactor to avoid using floating-point math in cryptographic code. There is no direct evidence in the commit that this fixes an active security vulnerability, but using integer math instead of floating-point approximations in cryptography is generally considered safer and more predictable.

Security candidatefix(core): remove MicroPython `math` and complex builtinsby Roman Zeyde · 360fd957 · Mar 27, 2026 · 2 filesMessage 62 · AdequateInformational 15Details
Commit message · Roman Zeyde

fix(core): remove MicroPython `math` and complex builtins

Saves ~11 kB of flash.

[no changelog]

62/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
Why it was queued
boot or update path
AI analysis · Informational 15/100

This commit simply turns off two unused MicroPython language features—the math module and complex numbers—to save about 11 kB of flash storage on the Trezor device. There is no indication this fixes a security bug or changes how user funds or secrets are handled.

AI review queuedchore(core): add N4W1 backup-related translationsby Roman Zeyde · c318d637 · Mar 26, 2026 · 6 filesMessage 57 · ThinInformational 15Details
Commit message · Roman Zeyde

chore(core): add N4W1 backup-related translations

[no changelog]

57/100 · ThinMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
Why it was queued
signing or wallet pathsecond-pass: security-sensitive path
AI analysis · Informational 15/100

This commit only adds new on-screen text strings for a future backup feature called N4W1. It does not change any security logic, cryptographic code, or user-accessible behavior. There is no indication of a vulnerability or security fix.

Lower-prioritybuild(core): warn when translation blob size become too highby Roman Zeyde · ed8ab863 · Mar 26, 2026 · 1 fileMessage 62 · AdequateInformational 15Details
Commit message · Roman Zeyde

build(core): warn when translation blob size become too high

[no changelog]

62/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
Why it was queued
translation-only discount
AI analysis · Informational 15/100

This commit adds a build-time warning to the Trezor firmware translation tool. It checks how large each language translation file is compared to the maximum space available on each device model, and logs a yellow warning or red error if the file is getting too close to the limit. There is no change to device runtime code, no user-facing behavior change, and no security fix or vulnerability.