chore: release v0.4.0

[nyurik]

🤖 New release

• dbc-codegen: 0.3.0 -> 0.4.0 (⚠ API breaking changes)
• dbc-codegen-cli: 0.3.0 -> 0.4.0

⚠ dbc-codegen breaking changes

--- failure function_missing: pub fn removed or renamed ---

Description:
A publicly-visible function cannot be imported by its prior path. A `pub use` may have been removed, or the function itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.48.0/src/lints/function_missing.ron

Failed in:
  function dbc_codegen::codegen, previously in file /tmp/.tmp30V4zh/dbc-codegen/src/lib.rs:24

Changelog

dbc-codegen

0.4.0 - 2026-07-18

Added

• add DBC_FILE_NAME + ver, proper code formatting (#131)
• [breaking] streamline DBC code generation and file writing (#128)

Fixed

• support large min/max values without precision loss (#152)
• handle duplicate signal names (#126)
• handle empty relevant msgs in from_can_message (#125)
• fix typo
• fix formatting errors
• fix factor/offset not getting applied to 0 for unsigned case
• fix duplicate enum names on multiplex messages
• fix issue where signed signals would be rendered as unsigned

Other

• Generate message size and cycle time consts (#176)
• Add option to generate typed constants from DBC attributes (#175)
• update can-dbc (#181)
• rust ver bump (#182)
• cleanup clippy, justfile, and proj cleanup (#180)
• (deps) bump the all-cargo-version-updates group across 1 directory with 4 updates (#172)
• (deps) bump codecov/codecov-action from 6 to 7 in the all-actions-version-updates group (#165)
• (deps) bump the all-cargo-version-updates group across 1 directory with 4 updates (#168)
• (deps) bump the all-cargo-version-updates group across 1 directory with 3 updates (#163)
• (deps) bump the all-cargo-version-updates group with 2 updates (#161)
• (deps) bump the all-cargo-version-updates group across 1 directory with 2 updates (#158)
• (deps) bump the all-actions-version-updates group across 1 directory with 2 updates (#159)
• update expected errors to Rust 1.94 (#153)
• (deps) bump the all-cargo-version-updates group across 1 directory with 2 updates (#145)
• (deps) bump insta from 1.46.2 to 1.46.3 in the all-cargo-version-updates group (#143)
• upgrade to rust 1.93 stderr (#142)
• (deps) bump the all-cargo-version-updates group across 1 directory with 4 updates (#141)
• [breaking] remove main fn from generated code (#138)
• make many rendering fn methods on config (#133)
• (deps) bump clap from 4.5.54 to 4.5.55 in the all-cargo-version-updates group (#134)
• use quote crate to handle str escaping (#132)
• noop - dedup, cleanup, new type abstraction (#130)
• update shared tests, bump deps, freeze to rust 1.92 (#127)
• (deps) bump can-dbc from 8.0.0 to 8.0.1 in the all-cargo-version-updates group (#129)
• do not clean lock
• bump dependencies and enable verbose output for release actions (#120)
• [pre-commit.ci] pre-commit autoupdate (#119)
• Bump the all-cargo-version-updates group across 1 directory with 2 updates (#118)
• refactor write functions, improve CI, MSRV (#116)
• minor code cleanup (#114)
• generate and compile all .dbc files from test repo (#113)
• allow generated file to be used with include! (#108)
• Bump the all-cargo-version-updates group across 1 directory with 2 updates (#111)
• minor justfile fix, editorconfig (#112)
• Bump actions/cache from 4 to 5 in the all-actions-version-updates group (#110)
• OxiBUS onboarding cleanup (#102)
• run just fmt to cleanup imports (#107)
• Bump the all-cargo-version-updates group across 1 directory with 9 updates (#106)
• upgrade to can-dbc v8 (#101)
• Bump actions/checkout from 1 to 6 in the all-actions-version-updates group (#104)
• (CI) minor CI updates, automate dependabot (#103)
• Add optional defmt::Format support for generated types
• Merge pull request Use message name instead of self #85 from inomotech-foss/fix-mux-msg-id
• Use message name instead of self
• Generate embedded_can::Frame trait for each frame
• Represent CAN message IDs as embedded_can::Id to support extended IDs
• Fix issue with decoding signed values of non-standard length
• revert change to Cargo.toml, not necessary
• address clippy's concerns (thanks clippy), enhance comments
• make can-messages dependency optional so it doesn't pull in std
• reduce diff against main
• handle more edge cases, use i128 as the maximum type
• reorder lines to match signals
• drop symlink in favor of copy so it works on Windows
• revert because I missed the case of check_ranges being false
• add tests, edge cases where the min/max is way less than signal width
• clean up warning
• add unsigned to the name, add test case
• change signal logic to handle negative factors, add tests
• Bump rustc to latest stable, 1.78
• Merge pull request Remove warnings in generated code #68 from projectgus/tweaks/codegen_warnings
• Rename .envrc for non-Nix users, add note in README
• dont assign signed integers to unsigned integers
• Update README
• Fix clippy warnings
• Use checked_sub(offset) for set_signal methods
• Don't treat signals as floats if factor is integer
• Add flag to impl std Error
• Tweak docs and optional features
• Make feature-gated impls configurable

dbc-codegen-cli

0.4.0 - 2026-07-18

Added

• [breaking] streamline DBC code generation and file writing (#128)

Other

• Generate message size and cycle time consts (#176)
• Add option to generate typed constants from DBC attributes (#175)
• cleanup clippy, justfile, and proj cleanup (#180)
• (deps) bump the all-cargo-version-updates group with 2 updates (#161)
• minor code cleanup (#114)
• allow generated file to be used with include! (#108)
• OxiBUS onboarding cleanup (#102)
• run just fmt to cleanup imports (#107)
• Bump the all-cargo-version-updates group across 1 directory with 9 updates (#106)
• upgrade to can-dbc v8 (#101)
• make debug_prints configurable
• Merge pull request Remove warnings in generated code #68 from projectgus/tweaks/codegen_warnings
• Rename .envrc for non-Nix users, add note in README
• Update README
• Make feature-gated impls configurable

---

This PR was generated with release-plz.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

[liamkinne]

@nyurik How soon will this be published? I would like to publish a crate that depends on dbc-codegen but I cant do so with it as a git dependency.

[nyurik]

i need to review its state, but i can try to get it done this week