Remove `PREK_MAX_CONCURRENCY` by j178 · Pull Request #2620 · j178/prek

j178 · 2026-08-26T13:18:12Z

Removes the deprecated PREK_MAX_CONCURRENCY fallback.

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codecov · 2026-08-26T13:35:55Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.96%. Comparing base (fd44aab) to head (eedda1b).

Additional details and impacted files

@@                   Coverage Diff                   @@
##           drop-update-aliases    #2620      +/-   ##
=======================================================
- Coverage                93.97%   93.96%   -0.02%     
=======================================================
  Files                      140      140              
  Lines                    29679    29578     -101     
=======================================================
- Hits                     27890    27792      -98     
+ Misses                    1789     1786       -3

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prek-ci-bot · 2026-08-26T13:56:57Z

📦 Cargo Bloat Comparison

.text size change: +0.00% (12.5 MiB → 12.5 MiB)

Expand for cargo-bloat output

Head Branch Results

File  .text     Size             Crate Name
0.1%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_44_0_aes_gcm_encrypt_avx512
0.1%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_44_0_aes_gcm_decrypt_avx512
0.0%   0.9% 113.8KiB              prek <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
0.0%   0.4%  51.4KiB              prek <<prek::config::hook::HookWire as serde_core::de::Deserialize>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map::<<serde_saphyr::de::deserializer::YamlDeserializer as serde_core::de::Deserializer>::deserialize_map::MA>
0.0%   0.4%  48.7KiB annotate_snippets annotate_snippets::renderer::render::render
0.0%   0.3%  44.6KiB              prek <<prek::config::Config as serde_core::de::Deserialize>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map::<<serde_saphyr::de::deserializer::YamlDeserializer as serde_core::de::Deserializer>::deserialize_map::MA>
0.0%   0.3%  36.8KiB              prek prek::run::{closure#0}
0.0%   0.3%  36.7KiB              prek <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
0.0%   0.3%  35.3KiB              prek <prek::languages::rust::rust::Rust as prek::languages::LanguageBackend>::install::{closure#0}
0.0%   0.3%  33.4KiB              prek prek::cli::run::run::run::{closure#0}
0.0%   0.2%  28.6KiB      serde_saphyr <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
0.0%   0.2%  28.6KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_44_0_edwards25519_scalarmuldouble_alt
0.0%   0.2%  27.8KiB      serde_saphyr <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
0.0%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_44_0_edwards25519_scalarmuldouble
0.0%   0.2%  27.4KiB              toml <toml::de::deserializer::value::ValueDeserializer as serde_core::de::Deserializer>::deserialize_any::<<prek::config::hook::HookWire as serde_core::de::Deserialize>::deserialize::__Visitor>
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  26.9KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  26.9KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
4.2%  86.7%  10.8MiB                   And 20265 smaller methods. Use -n N to show more.
4.9% 100.0%  12.5MiB                   .text section size, the file size is 256.8MiB

Base Branch Results

File  .text     Size             Crate Name
0.1%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_44_0_aes_gcm_encrypt_avx512
0.1%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_44_0_aes_gcm_decrypt_avx512
0.0%   0.9% 113.7KiB              prek <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
0.0%   0.4%  51.4KiB              prek <<prek::config::hook::HookWire as serde_core::de::Deserialize>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map::<<serde_saphyr::de::deserializer::YamlDeserializer as serde_core::de::Deserializer>::deserialize_map::MA>
0.0%   0.4%  48.7KiB annotate_snippets annotate_snippets::renderer::render::render
0.0%   0.3%  44.6KiB              prek <<prek::config::Config as serde_core::de::Deserialize>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map::<<serde_saphyr::de::deserializer::YamlDeserializer as serde_core::de::Deserializer>::deserialize_map::MA>
0.0%   0.3%  44.5KiB              prek prek::run::{closure#0}
0.0%   0.3%  37.1KiB              prek <prek::cli::RunOptions as clap_builder::derive::Args>::augment_args
0.0%   0.3%  35.3KiB              prek <prek::languages::rust::rust::Rust as prek::languages::LanguageBackend>::install::{closure#0}
0.0%   0.3%  33.6KiB              prek prek::cli::run::run::run::{closure#0}
0.0%   0.2%  29.1KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  28.6KiB      serde_saphyr <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
0.0%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_44_0_edwards25519_scalarmuldouble_alt
0.0%   0.2%  27.8KiB      serde_saphyr <granit_parser::scanner::Scanner<granit_parser::input::str::StrInput>>::fetch_more_tokens
0.0%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_44_0_edwards25519_scalarmuldouble
0.0%   0.2%  27.4KiB              toml <toml::de::deserializer::value::ValueDeserializer as serde_core::de::Deserializer>::deserialize_any::<<prek::config::hook::HookWire as serde_core::de::Deserialize>::deserialize::__Visitor>
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  27.0KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
0.0%   0.2%  26.9KiB              prek prek::archive::unpack::<fs_err::tokio::file::File, &std::path::PathBuf>::{closure#0}
4.2%  86.6%  10.9MiB                   And 20250 smaller methods. Use -n N to show more.
4.9% 100.0%  12.5MiB                   .text section size, the file size is 257.1MiB

prek-ci-bot · 2026-08-26T13:56:58Z

⚡️ Hyperfine Benchmarks

Summary: 0 regressions, 0 improvements above the 10% threshold.

Environment

OS: Linux 6.17.0-1022-azure
CPU: 4 cores
prek version: prek 0.4.14+31 (29c4adc 2026-08-26)
Rust version: rustc 1.98.0 (88d9e12ae 2026-08-18)
Hyperfine version: hyperfine 1.20.0

CLI Commands

Benchmarking basic commands in the main repo:

`prek --version`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base --version`	2.4 ± 0.1	2.3	2.8	1.05 ± 0.05
`prek-head --version`	2.3 ± 0.1	2.2	2.5	1.00

`prek list`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base list`	9.6 ± 0.3	9.2	12.1	1.00
`prek-head list`	9.9 ± 4.0	9.1	47.5	1.04 ± 0.42

`prek validate-config .pre-commit-config.yaml`

⏭️ Skipped: .pre-commit-config.yaml not found

`prek sample-config`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base sample-config`	2.7 ± 0.2	2.6	3.8	1.03 ± 0.06
`prek-head sample-config`	2.6 ± 0.0	2.6	2.8	1.00

Cold vs Warm Runs

Comparing first run (cold) vs subsequent runs (warm cache):

`prek run --all-files (cold - no cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	38.1 ± 1.4	36.0	40.7	1.00
`prek-head run --all-files`	38.5 ± 1.5	35.8	40.4	1.01 ± 0.06

`prek run --all-files (warm - with cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	38.1 ± 1.2	35.3	40.2	1.01 ± 0.05
`prek-head run --all-files`	37.7 ± 1.4	35.6	41.0	1.00

Full Hook Suite

Running the builtin hook suite on the benchmark workspace:

`prek run --all-files (full builtin hook suite)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	37.7 ± 1.1	34.9	40.8	1.00 ± 0.04
`prek-head run --all-files`	37.6 ± 1.2	35.2	41.2	1.00

Individual Hook Performance

Benchmarking each hook individually on the test repo:

`prek run trailing-whitespace --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run trailing-whitespace --all-files`	13.0 ± 0.6	12.1	15.1	1.00 ± 0.06
`prek-head run trailing-whitespace --all-files`	13.0 ± 0.5	12.3	15.1	1.00

`prek run end-of-file-fixer --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run end-of-file-fixer --all-files`	11.3 ± 0.5	10.5	12.5	1.00
`prek-head run end-of-file-fixer --all-files`	11.6 ± 0.7	10.7	14.0	1.02 ± 0.07

`prek run check-json --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-json --all-files`	8.2 ± 0.2	7.8	8.8	1.01 ± 0.04
`prek-head run check-json --all-files`	8.2 ± 0.3	7.6	8.7	1.00

`prek run check-yaml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-yaml --all-files`	7.8 ± 0.2	7.5	8.2	1.00
`prek-head run check-yaml --all-files`	7.9 ± 0.4	7.5	9.1	1.01 ± 0.05

`prek run check-toml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-toml --all-files`	8.4 ± 0.3	7.9	9.2	1.04 ± 0.05
`prek-head run check-toml --all-files`	8.0 ± 0.2	7.6	8.5	1.00

`prek run check-xml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-xml --all-files`	7.9 ± 0.2	7.5	8.4	1.00
`prek-head run check-xml --all-files`	7.9 ± 0.3	7.5	8.9	1.01 ± 0.05

`prek run detect-private-key --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run detect-private-key --all-files`	11.6 ± 0.6	10.6	12.8	1.04 ± 0.07
`prek-head run detect-private-key --all-files`	11.2 ± 0.5	10.5	12.0	1.00

`prek run fix-byte-order-marker --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run fix-byte-order-marker --all-files`	12.6 ± 0.8	11.7	14.9	1.00
`prek-head run fix-byte-order-marker --all-files`	12.7 ± 0.9	11.4	14.4	1.01 ± 0.10

Installation Performance

Benchmarking hook installation (fast path hooks skip Python setup):

`prek install-hooks (cold - no cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base install-hooks`	4.7 ± 0.0	4.7	4.8	1.01 ± 0.01
`prek-head install-hooks`	4.7 ± 0.1	4.6	4.7	1.00

`prek install-hooks (warm - with cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base install-hooks`	4.7 ± 0.1	4.7	4.8	1.01 ± 0.02
`prek-head install-hooks`	4.6 ± 0.1	4.6	4.7	1.00

File Filtering/Scoping Performance

Testing different file selection modes:

`prek run (staged files only)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run`	25.2 ± 0.2	24.8	25.6	1.00
`prek-head run`	25.2 ± 0.4	24.6	26.1	1.00 ± 0.02

`prek run --files '*.json' (specific file type)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --files '*.json'`	5.5 ± 0.1	5.3	5.6	1.02 ± 0.02
`prek-head run --files '*.json'`	5.4 ± 0.1	5.2	5.6	1.00

Workspace Discovery & Initialization

Benchmarking hook discovery and initialization overhead:

`prek run --dry-run --all-files (measures init overhead)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --dry-run --all-files`	7.3 ± 0.1	7.1	7.5	1.01 ± 0.02
`prek-head run --dry-run --all-files`	7.2 ± 0.1	7.0	7.3	1.00

Meta Hooks Performance

Benchmarking meta hooks separately:

`prek run check-hooks-apply --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-hooks-apply --all-files`	8.7 ± 0.1	8.6	8.8	1.01 ± 0.01
`prek-head run check-hooks-apply --all-files`	8.6 ± 0.1	8.4	8.7	1.00

`prek run check-useless-excludes --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-useless-excludes --all-files`	8.6 ± 0.1	8.5	8.7	1.01 ± 0.01
`prek-head run check-useless-excludes --all-files`	8.5 ± 0.1	8.3	8.6	1.00

`prek run identity --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run identity --all-files`	7.7 ± 0.2	7.5	8.1	1.02 ± 0.02
`prek-head run identity --all-files`	7.5 ± 0.1	7.3	7.7	1.00

Automated mise tool upgrades from local config. mise-managed tools: - `action-validator` - `actionlint` - `editorconfig-checker` - `ghalint` - `lychee` - `pinact` - `pipx:gh-action-pulse` - `prek` - `rumdl` - `shellcheck` - `shfmt` - `tombi` - `uv` - `yamlfmt` - `yamllint` - `zizmor` Command: `mise upgrade --bump --local action-validator actionlint editorconfig-checker ghalint lychee pinact pipx:gh-action-pulse prek rumdl shellcheck shfmt tombi uv yamlfmt yamllint zizmor` <details> <summary>Version changelog (6 tools)</summary> | Tool | Requested | Installed | |------|-----------|-----------| | `editorconfig-checker` | `3.11.1` → `3.11.2` | `3.11.1` → `3.11.2` | | `prek` | `0.4.14` → `0.5.0` | `0.4.14` → `0.5.0` | | `rumdl` | `0.2.60` → `0.2.62` | `0.2.60` → `0.2.62` | | `shfmt` | `3.13.1` → `3.14.0` | `3.13.1` → `3.14.0` | | `tombi` | `1.4.1` → `1.5.0` | `1.4.1` → `1.5.0` | | `uv` | `0.12.5` → `0.12.7` | `0.12.5` → `0.12.7` | </details> <details> <summary>Release notes (6 tools)</summary> <details> <summary>editorconfig-checker: `3.11.1` → `3.11.2` (editorconfig-checker/editorconfig-checker)</summary> ### v3.11.2 ## editorconfig-checker v3.11.2 (2026-08-25T21:11:31Z) Welcome to this new release of editorconfig-checker! ## Changelog ### Others * b0a550a82df22ed8bbc48156d3d6fa9bf20c975c: upgrade go to v1.27 to mitigate #613 (@klaernie) ## Thanks! Those were the changes on v3.11.2! </details> <details> <summary>prek: `0.4.14` → `0.5.0` (j178/prek)</summary> ### v0.5.0 ## Release Notes Released on 2026-08-27. ### Highlights #### Choose where hook toolchains come from `language_version` now accepts a source `preference` alongside the version `request`, letting you control where prek looks for a compatible toolchain when it creates a hook environment. Use `managed` (the default) or `system` to choose which source prek tries first while still allowing fallback and downloads. Use `only-managed` or `only-system` to require one source. For example, this local Ruff hook requires a Python 3.12 toolchain managed by prek: ```yaml repos: - repo: local hooks: - id: ruff name: ruff language: python entry: ruff check additional_dependencies: [ruff] language_version: request: "3.12" preference: only-managed ``` With `only-managed`, prek reuses a compatible toolchain from its managed store or downloads one when needed. It never falls back to Python from `PATH`, an OS package manager, or a version manager, so toolchain selection does not depend on the developer or CI machine's external environment. Existing scalar values such as `language_version: "3.12"` continue to work. See [toolchain management and `language_version`](https://prek.j178.dev/0.5.0/languages/#toolchain-management-and-language_version) for the full source-selection behavior. ([#2613](j178/prek#2613)) ### Breaking changes The breaking changes in this release are mostly small cleanups, and most users should not be affected. - Group names can no longer start with `@`. This prefix is now reserved for special group selectors such as the new `@ungrouped` selector. ([#2617](j178/prek#2617)) - `PREK_MAX_CONCURRENCY` has been removed. Use `PREK_CONCURRENT_HOOKS` and `PREK_CONCURRENT_BATCHES` to control hook and per-hook batch concurrency separately. ([#2620](j178/prek#2620)) - The top-level `prek init-template-dir` command… (truncated) </details> <details> <summary>rumdl: `0.2.60` → `0.2.62` (rvben/rumdl)</summary> ### v0.2.61 ### Added - **cli**: add `--stdin-batch` for NUL-framed multi-document linting and `--stdin-batch-closed-world` for supplied-document-only link resolution ## Downloads | File | Platform | Checksum | |------|----------|----------| | [rumdl-v0.2.61-x86_64-unknown-linux-gnu.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-unknown-linux-gnu.tar.gz) | Linux x86_64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-unknown-linux-gnu.tar.gz.sha256) | | [rumdl-v0.2.61-x86_64-unknown-linux-musl.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-unknown-linux-musl.tar.gz) | Linux x86_64 (musl) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-unknown-linux-musl.tar.gz.sha256) | | [rumdl-v0.2.61-aarch64-unknown-linux-gnu.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-unknown-linux-gnu.tar.gz) | Linux ARM64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-unknown-linux-gnu.tar.gz.sha256) | | [rumdl-v0.2.61-aarch64-unknown-linux-musl.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-unknown-linux-musl.tar.gz) | Linux ARM64 (musl) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-unknown-linux-musl.tar.gz.sha256) | | [rumdl-v0.2.61-x86_64-apple-darwin.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-apple-darwin.tar.gz) | macOS x86_64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-apple-darwin.tar.gz.sha256) | | [rumdl-v0.2.61-aarch64-apple-darwin.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-apple-darwin.tar.gz) | macOS ARM64 (Apple Silicon) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-a… (truncated) ### v0.2.62 ### Added - **flavor**: add support for Markdown with Gherkin (MDG) ([db62377](rvben/rumdl@db62377)) ## Downloads | File | Platform | Checksum | |------|----------|----------| | [rumdl-v0.2.62-x86_64-unknown-linux-gnu.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-unknown-linux-gnu.tar.gz) | Linux x86_64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-unknown-linux-gnu.tar.gz.sha256) | | [rumdl-v0.2.62-x86_64-unknown-linux-musl.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-unknown-linux-musl.tar.gz) | Linux x86_64 (musl) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-unknown-linux-musl.tar.gz.sha256) | | [rumdl-v0.2.62-aarch64-unknown-linux-gnu.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarch64-unknown-linux-gnu.tar.gz) | Linux ARM64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarch64-unknown-linux-gnu.tar.gz.sha256) | | [rumdl-v0.2.62-aarch64-unknown-linux-musl.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarch64-unknown-linux-musl.tar.gz) | Linux ARM64 (musl) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarch64-unknown-linux-musl.tar.gz.sha256) | | [rumdl-v0.2.62-x86_64-apple-darwin.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-apple-darwin.tar.gz) | macOS x86_64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-apple-darwin.tar.gz.sha256) | | [rumdl-v0.2.62-aarch64-apple-darwin.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarch64-apple-darwin.tar.gz) | macOS ARM64 (Apple Silicon) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarc… (truncated) </details> <details> <summary>shfmt: `3.13.1` → `3.14.0` (mvdan/sh)</summary> ### v3.14.0 This release drops support for Go 1.25 and includes many enhancements, particularly in the interpreter, which implements more shell features and fixes many divergences from Bash. - **cmd/shfmt** - Add `--detect` to find shell files by executable bit or shebang - #944 - **syntax** - Add `Preorder`, an iterator over all nodes, complementing `Walk` - Add `encoding.TextUnmarshaler` implementations for each operator type - Support `${ foo;}` and `${|foo;}` inside double quotes - #1368 - Support array elements in `{varname}` redirects, like `exec {fds[3]}>&-` - #719 - Backslashes inside backquotes within double quotes escape double quotes - #1083 - Allow pound signs in associative array keys like `${args[cmd,#]}` - #1285 - Don't treat `#` as the start of a comment inside `[[ ]]` tests - #1326 - Don't join `then` or `do` with a semicolon when heredocs are pending - #1047 - Print a space after `!` in arithmetic expressions, avoiding history expansion - #987 - Space nested closing parentheses like the opening ones - #876 - Make `SplitBraces` reject malformed sequences and skip backslash escapes - #1330 - Zsh: support the `${=name}`, `${~name}`, and `${^name}` prefixes - #1238 - Zsh: support the `;|` case terminator and leading parentheses for globs - #1293, #1279 - Zsh: parse subscript flag arguments as patterns, and allow `[` globs in arrays - #1278, #1322 - **syntax/typedjson** - Encode operators as their syntax form, such as `">>"`, rather than integers - #1321 - Return errors rather than panicking on malformed input - **interp** - Add `BashOpts` to set Bash options like `shopt` - #962 - Add `AccessHandler` to control file access checks, used by `-r` and `cd` - #1318 - Add `HandlerContext.LastExitStatus`, and provide a `HandlerContext` to stat handlers - Implement the `help` and `times` builtins, as well as `$-` - #1398 - Implement the `;&` and `;;&` case terminators - #1391 - Implemen… (truncated) </details> <details> <summary>tombi: `1.4.1` → `1.5.0` (tombi-toml/tombi)</summary> ### v1.5.0  ## What's Changed Tombi v1.5.0 is a major performance and architecture release. We redesigned the parser and AST around a compact, source-backed syntax tape, replacing the previous red-green syntax tree. The new architecture is optimized for Tombi’s lossless, long-lived editor and LSP workloads: it improves memory locality and reduces allocation and pointer-chasing overhead while preserving comments, punctuation, incomplete syntax, and diagnostics. The AST and document-tree interfaces are now also separated from their syntax-backed implementations. We also optimized hot paths throughout the parser, JSON Schema processing, linter, formatter, and stdin-based CLI workflows. In our Apple M2 Max benchmarks, long ASCII comment lexing was approximately 2.3× faster, selected JSON parsing workloads improved by up to 84%, and repository-wide lint time decreased from approximately 355 ms to 81 ms. ### 🚨 Breaking Changes * perf(parser): replace syntax tree with compact tape by @ya7010 in tombi-toml/tombi#2140 ### 🐝 Bug Fixes * fix(lsp): preserve composite schema metadata by @ya7010 in tombi-toml/tombi#2139 ### 🛠️ Other Changes * Improve minimal-change guidance for agents by @ya7010 in tombi-toml/tombi#2137 * perf(parser): accelerate long comment scanning by @ya7010 in tombi-toml/tombi#2141 * perf: speed up lint and format by @ya7010 in tombi-toml/tombi#2142 * perf: reduce stdin runtime overhead by @ya7010 in tombi-toml/tombi#2143 * perf(json): accelerate long string parsing by @ya7010 in tombi-toml/tombi#2145 * perf(json): optimize lexer and parser hot paths by @ya7010 in tombi-toml/tombi#2146 **Full Changelog**: https://github.com/tombi-toml/tomb… (truncated) </details> <details> <summary>uv: `0.12.5` → `0.12.7` (astral-sh/uv)</summary> ### 0.12.6 ## Release Notes Released on 2026-08-25. ### Python - Update CPython to use OpenSSL 3.5.8 and libffi 3.4.8 [#21295](astral-sh/uv#21295)) ### Enhancements - Report cache-cleaning space savings from filesystem block allocation and avoid double-counting hard links ([#21261](astral-sh/uv#21261)) - Limit warnings about unbounded `uv_build` requirements to source-distribution builds ([#21078](astral-sh/uv#21078)) - Display byte counts below 1 KiB without a fractional part ([#21237](astral-sh/uv#21237)) ### Preview features - Add `uv workspace metadata --sync --exact` to remove packages outside the selected resolution ([#21117](astral-sh/uv#21117)) - Add the `artifact-hash-filtering` preview feature to make `uv pip compile --generate-hashes` honor `--only-binary` and `--no-binary` ([#21235](astral-sh/uv#21235)) - Respect package-specific `exclude-newer` cutoffs when `uv check` selects its `ty` executable ([#21227](astral-sh/uv#21227)) - Preserve virtual-environment hints from `tar-codec` source-distribution errors when the base interpreter is outside a `bin` directory ([#21146](astral-sh/uv#21146)) ### Performance - Enable profile-guided optimization for Linux x86-64 release binaries ([#21001](astral-sh/uv#21001)) - Enable profile-guided optimization for Windows x86-64 release binaries ([#21003](astral-sh/uv#21003)) - Enable profile-guided optimization for macOS ARM64 release binaries ([#21002](astral-sh/uv#21002)) - Enable profile-guided optimization for Linux ARM64 release binaries ([#21004](astral-sh/uv#21004)) - Speed up syncing projects with many activated conflict items by reusing their encoded representation ([#21148](https://github.com/astral-sh/uv/pull/21148))… (truncated) ### 0.12.7 ## Release Notes Released on 2026-08-27. ### Python - Replace managed Python installations when upgrading to a newer build of the same version ([#21323](astral-sh/uv#21323)) ### Enhancements - Support Linux `s390x`, `ppc64le`, and `loongarch64` targets for cross-platform dependency resolution ([#21313](astral-sh/uv#21313)) - Retry downloads with configured credentials when Azure Storage denies anonymous access to an endpoint configured via `UV_AZURE_ENDPOINT_URL` ([#21318](astral-sh/uv#21318)) ### Preview features - Use content-based directory hashes to deduplicate extracted wheels in the cache with the `content-addressed-cache` preview feature ([#19693](astral-sh/uv#19693)) ### Bug fixes - Reject source archives with hash mismatches before persisting their extracted contents to the cache ([#21248](astral-sh/uv#21248)) ### Other changes - remove pyx specific features ([#21182](astral-sh/uv#21182), [#21183](astral-sh/uv#21183), [#21184](astral-sh/uv#21184), [#21185](astral-sh/uv#21185), [#21186](astral-sh/uv#21186)) ## Install uv 0.12.7 ### Install prebuilt binaries via shell script ```sh curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/uv/releases/download/0.12.7/uv-installer.sh | sh ``` ### Install prebuilt binaries via powershell script ```sh powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/uv/releases/download/0.12.7/uv-installer.ps1 | iex" ``` ## Download uv 0.12.7 | File | Platform | Checksum | |--------|----------|----------| | [uv-aarch64-apple-darwin.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.12.7/uv-aarch64-apple-darwin.tar.gz) | Apple Silicon macOS | [checksum](https://releases.astral.sh/github/uv/releases/download/0… (truncated) </details> </details> Modified files: - `.mise.toml` Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Automated mise tool upgrades from local config. mise-managed tools: - `action-validator` - `actionlint` - `aube` - `editorconfig-checker` - `ghalint` - `pinact` - `pipx:gh-action-pulse` - `prek` - `rumdl` - `shellcheck` - `shfmt` - `tombi` - `uv` - `yamlfmt` - `yamllint` - `zizmor` Command: `mise upgrade --bump --local action-validator actionlint aube editorconfig-checker ghalint pinact pipx:gh-action-pulse prek rumdl shellcheck shfmt tombi uv yamlfmt yamllint zizmor` <details> <summary>Version changelog (7 tools)</summary> | Tool | Requested | Installed | |------|-----------|-----------| | `aube` | `latest` → `latest` | `2.1.0` → `2.2.0` | | `editorconfig-checker` | `3.11.1` → `3.11.2` | `3.11.1` → `3.11.2` | | `prek` | `0.4.14` → `0.5.0` | `0.4.14` → `0.5.0` | | `rumdl` | `0.2.60` → `0.2.62` | `0.2.60` → `0.2.62` | | `shfmt` | `3.13.1` → `3.14.0` | `3.13.1` → `3.14.0` | | `tombi` | `1.4.1` → `1.5.0` | `1.4.1` → `1.5.0` | | `uv` | `0.12.5` → `0.12.7` | `0.12.5` → `0.12.7` | </details> <details> <summary>Release notes (7 tools)</summary> <details> <summary>aube: `2.1.0` → `2.2.0` (jdx/aube)</summary> ### v2.2.0 A small release that gives standalone aube a bundled package-extensions compatibility catalog and exposes its node-gyp bootstrap through the public embedding facade. ## Added - **Embeddable node-gyp bootstrap** ([#1365](aubepkg/aube#1365) by @jdx) — aube's locked, in-process node-gyp bootstrap is now available through the stable embedding facade and returns the resolved executable path. This lets embedders (e.g. mise) service aube's lazy shim command without an ambient `npm` or a separately installed `aube` binary, while aube keeps ownership of the node-gyp version, cache layout, npmrc propagation, and cross-process locking. Standalone aube's hidden `__node-gyp-bootstrap` command now routes through the same API, and binary lookup uses `is_file()` across platform names so Windows `.exe`/`.cmd` caches resolve correctly. ## Fixed - **Bundled curated package extensions** ([#1369](aubepkg/aube#1369) by @jdx) — Standalone aube now ships a bundled compatibility catalog (~161 curated rules from Yarn's `@yarnpkg/extensions@2.0.7` plus pnpm's Rust CLI additions) that repairs missing or incompatible peer/optional dependencies across common ecosystems (Angular, Nuxt, React, Vue, Gatsby, GraphQL, Webpack, Parcel, and more). The phantom rules removed upstream by pnpm are excluded. These defaults are applied at the lowest precedence — user and project `packageExtensions` always win — and are kept out of `packageExtensionsChecksum`, so catalog updates never invalidate existing lockfiles or break `--frozen-lockfile`. Set `ignoreCompatibilityDb=true` to opt out of the bundled repairs; malformed bundled entries are skipped with a `WARN_AUBE_INVALID_BUNDLED_PACKAGE_EXTENSION` warning rather than failing the install. **Full Changelog**: aubepkg/aube@v2.1.0...v2.2.0 ## 💚 Sponsor aube aube is maintained by [@jdx](https://github.com/jdx), an open source developer for [**entire.io**](https://entire.io),… (truncated) </details> <details> <summary>editorconfig-checker: `3.11.1` → `3.11.2` (editorconfig-checker/editorconfig-checker)</summary> ### v3.11.2 ## editorconfig-checker v3.11.2 (2026-08-25T21:11:31Z) Welcome to this new release of editorconfig-checker! ## Changelog ### Others * b0a550a82df22ed8bbc48156d3d6fa9bf20c975c: upgrade go to v1.27 to mitigate #613 (@klaernie) ## Thanks! Those were the changes on v3.11.2! </details> <details> <summary>prek: `0.4.14` → `0.5.0` (j178/prek)</summary> ### v0.5.0 ## Release Notes Released on 2026-08-27. ### Highlights #### Choose where hook toolchains come from `language_version` now accepts a source `preference` alongside the version `request`, letting you control where prek looks for a compatible toolchain when it creates a hook environment. Use `managed` (the default) or `system` to choose which source prek tries first while still allowing fallback and downloads. Use `only-managed` or `only-system` to require one source. For example, this local Ruff hook requires a Python 3.12 toolchain managed by prek: ```yaml repos: - repo: local hooks: - id: ruff name: ruff language: python entry: ruff check additional_dependencies: [ruff] language_version: request: "3.12" preference: only-managed ``` With `only-managed`, prek reuses a compatible toolchain from its managed store or downloads one when needed. It never falls back to Python from `PATH`, an OS package manager, or a version manager, so toolchain selection does not depend on the developer or CI machine's external environment. Existing scalar values such as `language_version: "3.12"` continue to work. See [toolchain management and `language_version`](https://prek.j178.dev/0.5.0/languages/#toolchain-management-and-language_version) for the full source-selection behavior. ([#2613](j178/prek#2613)) ### Breaking changes The breaking changes in this release are mostly small cleanups, and most users should not be affected. - Group names can no longer start with `@`. This prefix is now reserved for special group selectors such as the new `@ungrouped` selector. ([#2617](j178/prek#2617)) - `PREK_MAX_CONCURRENCY` has been removed. Use `PREK_CONCURRENT_HOOKS` and `PREK_CONCURRENT_BATCHES` to control hook and per-hook batch concurrency separately. ([#2620](j178/prek#2620)) - The top-level `prek init-template-dir` command… (truncated) </details> <details> <summary>rumdl: `0.2.60` → `0.2.62` (rvben/rumdl)</summary> ### v0.2.61 ### Added - **cli**: add `--stdin-batch` for NUL-framed multi-document linting and `--stdin-batch-closed-world` for supplied-document-only link resolution ## Downloads | File | Platform | Checksum | |------|----------|----------| | [rumdl-v0.2.61-x86_64-unknown-linux-gnu.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-unknown-linux-gnu.tar.gz) | Linux x86_64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-unknown-linux-gnu.tar.gz.sha256) | | [rumdl-v0.2.61-x86_64-unknown-linux-musl.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-unknown-linux-musl.tar.gz) | Linux x86_64 (musl) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-unknown-linux-musl.tar.gz.sha256) | | [rumdl-v0.2.61-aarch64-unknown-linux-gnu.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-unknown-linux-gnu.tar.gz) | Linux ARM64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-unknown-linux-gnu.tar.gz.sha256) | | [rumdl-v0.2.61-aarch64-unknown-linux-musl.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-unknown-linux-musl.tar.gz) | Linux ARM64 (musl) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-unknown-linux-musl.tar.gz.sha256) | | [rumdl-v0.2.61-x86_64-apple-darwin.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-apple-darwin.tar.gz) | macOS x86_64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-x86_64-apple-darwin.tar.gz.sha256) | | [rumdl-v0.2.61-aarch64-apple-darwin.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-apple-darwin.tar.gz) | macOS ARM64 (Apple Silicon) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.61/rumdl-v0.2.61-aarch64-a… (truncated) ### v0.2.62 ### Added - **flavor**: add support for Markdown with Gherkin (MDG) ([db62377](rvben/rumdl@db62377)) ## Downloads | File | Platform | Checksum | |------|----------|----------| | [rumdl-v0.2.62-x86_64-unknown-linux-gnu.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-unknown-linux-gnu.tar.gz) | Linux x86_64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-unknown-linux-gnu.tar.gz.sha256) | | [rumdl-v0.2.62-x86_64-unknown-linux-musl.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-unknown-linux-musl.tar.gz) | Linux x86_64 (musl) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-unknown-linux-musl.tar.gz.sha256) | | [rumdl-v0.2.62-aarch64-unknown-linux-gnu.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarch64-unknown-linux-gnu.tar.gz) | Linux ARM64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarch64-unknown-linux-gnu.tar.gz.sha256) | | [rumdl-v0.2.62-aarch64-unknown-linux-musl.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarch64-unknown-linux-musl.tar.gz) | Linux ARM64 (musl) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarch64-unknown-linux-musl.tar.gz.sha256) | | [rumdl-v0.2.62-x86_64-apple-darwin.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-apple-darwin.tar.gz) | macOS x86_64 | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-x86_64-apple-darwin.tar.gz.sha256) | | [rumdl-v0.2.62-aarch64-apple-darwin.tar.gz](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarch64-apple-darwin.tar.gz) | macOS ARM64 (Apple Silicon) | [checksum](https://github.com/rvben/rumdl/releases/download/v0.2.62/rumdl-v0.2.62-aarc… (truncated) </details> <details> <summary>shfmt: `3.13.1` → `3.14.0` (mvdan/sh)</summary> ### v3.14.0 This release drops support for Go 1.25 and includes many enhancements, particularly in the interpreter, which implements more shell features and fixes many divergences from Bash. - **cmd/shfmt** - Add `--detect` to find shell files by executable bit or shebang - #944 - **syntax** - Add `Preorder`, an iterator over all nodes, complementing `Walk` - Add `encoding.TextUnmarshaler` implementations for each operator type - Support `${ foo;}` and `${|foo;}` inside double quotes - #1368 - Support array elements in `{varname}` redirects, like `exec {fds[3]}>&-` - #719 - Backslashes inside backquotes within double quotes escape double quotes - #1083 - Allow pound signs in associative array keys like `${args[cmd,#]}` - #1285 - Don't treat `#` as the start of a comment inside `[[ ]]` tests - #1326 - Don't join `then` or `do` with a semicolon when heredocs are pending - #1047 - Print a space after `!` in arithmetic expressions, avoiding history expansion - #987 - Space nested closing parentheses like the opening ones - #876 - Make `SplitBraces` reject malformed sequences and skip backslash escapes - #1330 - Zsh: support the `${=name}`, `${~name}`, and `${^name}` prefixes - #1238 - Zsh: support the `;|` case terminator and leading parentheses for globs - #1293, #1279 - Zsh: parse subscript flag arguments as patterns, and allow `[` globs in arrays - #1278, #1322 - **syntax/typedjson** - Encode operators as their syntax form, such as `">>"`, rather than integers - #1321 - Return errors rather than panicking on malformed input - **interp** - Add `BashOpts` to set Bash options like `shopt` - #962 - Add `AccessHandler` to control file access checks, used by `-r` and `cd` - #1318 - Add `HandlerContext.LastExitStatus`, and provide a `HandlerContext` to stat handlers - Implement the `help` and `times` builtins, as well as `$-` - #1398 - Implement the `;&` and `;;&` case terminators - #1391 - Implemen… (truncated) </details> <details> <summary>tombi: `1.4.1` → `1.5.0` (tombi-toml/tombi)</summary> ### v1.5.0  ## What's Changed Tombi v1.5.0 is a major performance and architecture release. We redesigned the parser and AST around a compact, source-backed syntax tape, replacing the previous red-green syntax tree. The new architecture is optimized for Tombi’s lossless, long-lived editor and LSP workloads: it improves memory locality and reduces allocation and pointer-chasing overhead while preserving comments, punctuation, incomplete syntax, and diagnostics. The AST and document-tree interfaces are now also separated from their syntax-backed implementations. We also optimized hot paths throughout the parser, JSON Schema processing, linter, formatter, and stdin-based CLI workflows. In our Apple M2 Max benchmarks, long ASCII comment lexing was approximately 2.3× faster, selected JSON parsing workloads improved by up to 84%, and repository-wide lint time decreased from approximately 355 ms to 81 ms. ### 🚨 Breaking Changes * perf(parser): replace syntax tree with compact tape by @ya7010 in tombi-toml/tombi#2140 ### 🐝 Bug Fixes * fix(lsp): preserve composite schema metadata by @ya7010 in tombi-toml/tombi#2139 ### 🛠️ Other Changes * Improve minimal-change guidance for agents by @ya7010 in tombi-toml/tombi#2137 * perf(parser): accelerate long comment scanning by @ya7010 in tombi-toml/tombi#2141 * perf: speed up lint and format by @ya7010 in tombi-toml/tombi#2142 * perf: reduce stdin runtime overhead by @ya7010 in tombi-toml/tombi#2143 * perf(json): accelerate long string parsing by @ya7010 in tombi-toml/tombi#2145 * perf(json): optimize lexer and parser hot paths by @ya7010 in tombi-toml/tombi#2146 **Full Changelog**: https://github.com/tombi-toml/tomb… (truncated) </details> <details> <summary>uv: `0.12.5` → `0.12.7` (astral-sh/uv)</summary> ### 0.12.6 ## Release Notes Released on 2026-08-25. ### Python - Update CPython to use OpenSSL 3.5.8 and libffi 3.4.8 [#21295](astral-sh/uv#21295)) ### Enhancements - Report cache-cleaning space savings from filesystem block allocation and avoid double-counting hard links ([#21261](astral-sh/uv#21261)) - Limit warnings about unbounded `uv_build` requirements to source-distribution builds ([#21078](astral-sh/uv#21078)) - Display byte counts below 1 KiB without a fractional part ([#21237](astral-sh/uv#21237)) ### Preview features - Add `uv workspace metadata --sync --exact` to remove packages outside the selected resolution ([#21117](astral-sh/uv#21117)) - Add the `artifact-hash-filtering` preview feature to make `uv pip compile --generate-hashes` honor `--only-binary` and `--no-binary` ([#21235](astral-sh/uv#21235)) - Respect package-specific `exclude-newer` cutoffs when `uv check` selects its `ty` executable ([#21227](astral-sh/uv#21227)) - Preserve virtual-environment hints from `tar-codec` source-distribution errors when the base interpreter is outside a `bin` directory ([#21146](astral-sh/uv#21146)) ### Performance - Enable profile-guided optimization for Linux x86-64 release binaries ([#21001](astral-sh/uv#21001)) - Enable profile-guided optimization for Windows x86-64 release binaries ([#21003](astral-sh/uv#21003)) - Enable profile-guided optimization for macOS ARM64 release binaries ([#21002](astral-sh/uv#21002)) - Enable profile-guided optimization for Linux ARM64 release binaries ([#21004](astral-sh/uv#21004)) - Speed up syncing projects with many activated conflict items by reusing their encoded representation ([#21148](https://github.com/astral-sh/uv/pull/21148))… (truncated) ### 0.12.7 ## Release Notes Released on 2026-08-27. ### Python - Replace managed Python installations when upgrading to a newer build of the same version ([#21323](astral-sh/uv#21323)) ### Enhancements - Support Linux `s390x`, `ppc64le`, and `loongarch64` targets for cross-platform dependency resolution ([#21313](astral-sh/uv#21313)) - Retry downloads with configured credentials when Azure Storage denies anonymous access to an endpoint configured via `UV_AZURE_ENDPOINT_URL` ([#21318](astral-sh/uv#21318)) ### Preview features - Use content-based directory hashes to deduplicate extracted wheels in the cache with the `content-addressed-cache` preview feature ([#19693](astral-sh/uv#19693)) ### Bug fixes - Reject source archives with hash mismatches before persisting their extracted contents to the cache ([#21248](astral-sh/uv#21248)) ### Other changes - remove pyx specific features ([#21182](astral-sh/uv#21182), [#21183](astral-sh/uv#21183), [#21184](astral-sh/uv#21184), [#21185](astral-sh/uv#21185), [#21186](astral-sh/uv#21186)) ## Install uv 0.12.7 ### Install prebuilt binaries via shell script ```sh curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/uv/releases/download/0.12.7/uv-installer.sh | sh ``` ### Install prebuilt binaries via powershell script ```sh powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/uv/releases/download/0.12.7/uv-installer.ps1 | iex" ``` ## Download uv 0.12.7 | File | Platform | Checksum | |--------|----------|----------| | [uv-aarch64-apple-darwin.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.12.7/uv-aarch64-apple-darwin.tar.gz) | Apple Silicon macOS | [checksum](https://releases.astral.sh/github/uv/releases/download/0… (truncated) </details> </details> Modified files: - `.mise.toml` Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Automated mise tool upgrades from local config. mise-managed tools: - `prek` Command: `mise upgrade --bump --local prek` <details> <summary>Version changelog (prek)</summary> | Tool | Requested | Installed | |------|-----------|-----------| | `prek` | `0.4.14` → `0.5.0` | `0.4.14` → `0.5.0` | </details> <details> <summary>Release notes (1 tools)</summary> <details> <summary>prek: `0.4.14` → `0.5.0` (j178/prek)</summary> ### v0.5.0 ## Release Notes Released on 2026-08-27. ### Highlights #### Choose where hook toolchains come from `language_version` now accepts a source `preference` alongside the version `request`, letting you control where prek looks for a compatible toolchain when it creates a hook environment. Use `managed` (the default) or `system` to choose which source prek tries first while still allowing fallback and downloads. Use `only-managed` or `only-system` to require one source. For example, this local Ruff hook requires a Python 3.12 toolchain managed by prek: ```yaml repos: - repo: local hooks: - id: ruff name: ruff language: python entry: ruff check additional_dependencies: [ruff] language_version: request: "3.12" preference: only-managed ``` With `only-managed`, prek reuses a compatible toolchain from its managed store or downloads one when needed. It never falls back to Python from `PATH`, an OS package manager, or a version manager, so toolchain selection does not depend on the developer or CI machine's external environment. Existing scalar values such as `language_version: "3.12"` continue to work. See [toolchain management and `language_version`](https://prek.j178.dev/0.5.0/languages/#toolchain-management-and-language_version) for the full source-selection behavior. ([#2613](j178/prek#2613)) ### Breaking changes The breaking changes in this release are mostly small cleanups, and most users should not be affected. - Group names can no longer start with `@`. This prefix is now reserved for special group selectors such as the new `@ungrouped` selector. ([#2617](j178/prek#2617)) - `PREK_MAX_CONCURRENCY` has been removed. Use `PREK_CONCURRENT_HOOKS` and `PREK_CONCURRENT_BATCHES` to control hook and per-hook batch concurrency separately. ([#2620](j178/prek#2620)) - The top-level `prek init-template-dir` command… (truncated) </details> </details> Modified files: - `.mise.toml`

Automated mise tool upgrades from local config. mise-managed tools: - `prek` Command: `mise upgrade --bump --local prek` <details> <summary>Version changelog (prek)</summary> | Tool | Requested | Installed | |------|-----------|-----------| | `prek` | `0.4.14` → `0.5.0` | `0.4.14` → `0.5.0` | </details> <details> <summary>Release notes (1 tools)</summary> <details> <summary>prek: `0.4.14` → `0.5.0` (j178/prek)</summary> ### v0.5.0 ## Release Notes Released on 2026-08-27. ### Highlights #### Choose where hook toolchains come from `language_version` now accepts a source `preference` alongside the version `request`, letting you control where prek looks for a compatible toolchain when it creates a hook environment. Use `managed` (the default) or `system` to choose which source prek tries first while still allowing fallback and downloads. Use `only-managed` or `only-system` to require one source. For example, this local Ruff hook requires a Python 3.12 toolchain managed by prek: ```yaml repos: - repo: local hooks: - id: ruff name: ruff language: python entry: ruff check additional_dependencies: [ruff] language_version: request: "3.12" preference: only-managed ``` With `only-managed`, prek reuses a compatible toolchain from its managed store or downloads one when needed. It never falls back to Python from `PATH`, an OS package manager, or a version manager, so toolchain selection does not depend on the developer or CI machine's external environment. Existing scalar values such as `language_version: "3.12"` continue to work. See [toolchain management and `language_version`](https://prek.j178.dev/0.5.0/languages/#toolchain-management-and-language_version) for the full source-selection behavior. ([#2613](j178/prek#2613)) ### Breaking changes The breaking changes in this release are mostly small cleanups, and most users should not be affected. - Group names can no longer start with `@`. This prefix is now reserved for special group selectors such as the new `@ungrouped` selector. ([#2617](j178/prek#2617)) - `PREK_MAX_CONCURRENCY` has been removed. Use `PREK_CONCURRENT_HOOKS` and `PREK_CONCURRENT_BATCHES` to control hook and per-hook batch concurrency separately. ([#2620](j178/prek#2620)) - The top-level `prek init-template-dir` command… (truncated) </details> </details> Modified files: - `.mise.toml` Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Automated mise tool upgrades from local config. mise-managed tools: - `prek` Command: `mise upgrade --bump --local prek` <details> <summary>Version changelog (prek)</summary> | Tool | Requested | Installed | |------|-----------|-----------| | `prek` | `0.4.14` → `0.5.2` | `0.4.14` → `0.5.2` | </details> <details> <summary>Release notes (1 tools)</summary> <details> <summary>prek: `0.4.14` → `0.5.2` (j178/prek)</summary> ### v0.5.0 ## Release Notes Released on 2026-08-27. ### Highlights #### Choose where hook toolchains come from `language_version` now accepts a source `preference` alongside the version `request`, letting you control where prek looks for a compatible toolchain when it creates a hook environment. Use `managed` (the default) or `system` to choose which source prek tries first while still allowing fallback and downloads. Use `only-managed` or `only-system` to require one source. For example, this local Ruff hook requires a Python 3.12 toolchain managed by prek: ```yaml repos: - repo: local hooks: - id: ruff name: ruff language: python entry: ruff check additional_dependencies: [ruff] language_version: request: "3.12" preference: only-managed ``` With `only-managed`, prek reuses a compatible toolchain from its managed store or downloads one when needed. It never falls back to Python from `PATH`, an OS package manager, or a version manager, so toolchain selection does not depend on the developer or CI machine's external environment. Existing scalar values such as `language_version: "3.12"` continue to work. See [toolchain management and `language_version`](https://prek.j178.dev/0.5.0/languages/#toolchain-management-and-language_version) for the full source-selection behavior. ([#2613](j178/prek#2613)) ### Breaking changes The breaking changes in this release are mostly small cleanups, and most users should not be affected. - Group names can no longer start with `@`. This prefix is now reserved for special group selectors such as the new `@ungrouped` selector. ([#2617](j178/prek#2617)) - `PREK_MAX_CONCURRENCY` has been removed. Use `PREK_CONCURRENT_HOOKS` and `PREK_CONCURRENT_BATCHES` to control hook and per-hook batch concurrency separately. ([#2620](j178/prek#2620)) - The top-level `prek init-template-dir` command… (truncated) ### v0.5.1 ## Release Notes Released on 2026-09-01. ### Enhancements - Add `--hide-status <passed|failed|skipped>` for hook reports ([#2644](j178/prek#2644)) - Add `prek init` for repository setup ([#2636](j178/prek#2636)) - Apply hook `env` during environment creation ([#2650](j178/prek#2650)) - Disable error snippets in `check-yaml` diagnostics ([#2664](j178/prek#2664)) - Show hooks excluded by skip selectors ([#2645](j178/prek#2645)) - Support Pixi for Conda environments ([#2667](j178/prek#2667)) - Support `cargo-binstall` for Rust CLI dependencies ([#2658](j178/prek#2658)) - Warn about unused keys in user settings ([#2665](j178/prek#2665)) ### Bug fixes - Reject unsupported YAML tags in check-yaml ([#2656](j178/prek#2656)) ### Documentation - Clarify local hook documentation ([#2640](j178/prek#2640)) - Clarify pre-commit command compatibility ([#2635](j178/prek#2635)) - Document automatic PR fixes with autofix.ci ([#2643](j178/prek#2643)) - Document check-yaml unsafe support ([#2632](j178/prek#2632)) - Improve setup and workflow documentation ([#2637](j178/prek#2637)) ### Other changes - Drop low-usage release targets ([#2651](j178/prek#2651)) - Generate a prek manifest JSON schema ([#2648](j178/prek#2648)) ### Contributors - @j178 ## Install prek 0.5.1 ### Install prebuilt binaries via shell script ```sh curl --proto '=https' --tlsv1.2 -LsSf https://github.com/j178/prek/releases/download/v0.5.1/prek-installer.sh | sh ``` ### Install prebuilt binaries via powershell script ```sh powershell -ExecutionPolicy Bypass -c "irm https://github.com/j178/prek/releases/download… (truncated) ### v0.5.2 ## Release Notes Released on 2026-09-03. ### Enhancements - Allow unknown tags by default in `check-yaml` ([#2678](j178/prek#2678)) ### Contributors - @j178 ## Install prek 0.5.2 ### Install prebuilt binaries via shell script ```sh curl --proto '=https' --tlsv1.2 -LsSf https://github.com/j178/prek/releases/download/v0.5.2/prek-installer.sh | sh ``` ### Install prebuilt binaries via powershell script ```sh powershell -ExecutionPolicy Bypass -c "irm https://github.com/j178/prek/releases/download/v0.5.2/prek-installer.ps1 | iex" ``` ### Install prebuilt binaries via Homebrew ```sh brew install prek ``` ## Download prek 0.5.2 | File | Platform | Checksum | |--------|----------|----------| | [prek-aarch64-apple-darwin.tar.gz](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-apple-darwin.tar.gz) | Apple Silicon macOS | [checksum](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-apple-darwin.tar.gz.sha256) | | [prek-x86_64-apple-darwin.tar.gz](https://github.com/j178/prek/releases/download/v0.5.2/prek-x86_64-apple-darwin.tar.gz) | Intel macOS | [checksum](https://github.com/j178/prek/releases/download/v0.5.2/prek-x86_64-apple-darwin.tar.gz.sha256) | | [prek-aarch64-pc-windows-msvc.zip](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-pc-windows-msvc.zip) | ARM64 Windows | [checksum](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-pc-windows-msvc.zip.sha256) | | [prek-x86_64-pc-windows-msvc.zip](https://github.com/j178/prek/releases/download/v0.5.2/prek-x86_64-pc-windows-msvc.zip) | x64 Windows | [checksum](https://github.com/j178/prek/releases/download/v0.5.2/prek-x86_64-pc-windows-msvc.zip.sha256) | | [prek-aarch64-unknown-linux-gnu.tar.gz](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-unknown-linux-gnu.tar.gz) | ARM64 Linux | [checksum](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-unknown-linux-gnu.tar.g… (truncated) </details> </details> Modified files: - `.mise.toml`

Automated mise tool upgrades from local config. mise-managed tools: - `prek` Command: `mise upgrade --bump --local prek` <details> <summary>Version changelog (prek)</summary> | Tool | Requested | Installed | |------|-----------|-----------| | `prek` | `0.4.14` → `0.5.2` | `0.4.14` → `0.5.2` | </details> <details> <summary>Release notes (1 tools)</summary> <details> <summary>prek: `0.4.14` → `0.5.2` (j178/prek)</summary> ### v0.5.0 ## Release Notes Released on 2026-08-27. ### Highlights #### Choose where hook toolchains come from `language_version` now accepts a source `preference` alongside the version `request`, letting you control where prek looks for a compatible toolchain when it creates a hook environment. Use `managed` (the default) or `system` to choose which source prek tries first while still allowing fallback and downloads. Use `only-managed` or `only-system` to require one source. For example, this local Ruff hook requires a Python 3.12 toolchain managed by prek: ```yaml repos: - repo: local hooks: - id: ruff name: ruff language: python entry: ruff check additional_dependencies: [ruff] language_version: request: "3.12" preference: only-managed ``` With `only-managed`, prek reuses a compatible toolchain from its managed store or downloads one when needed. It never falls back to Python from `PATH`, an OS package manager, or a version manager, so toolchain selection does not depend on the developer or CI machine's external environment. Existing scalar values such as `language_version: "3.12"` continue to work. See [toolchain management and `language_version`](https://prek.j178.dev/0.5.0/languages/#toolchain-management-and-language_version) for the full source-selection behavior. ([#2613](j178/prek#2613)) ### Breaking changes The breaking changes in this release are mostly small cleanups, and most users should not be affected. - Group names can no longer start with `@`. This prefix is now reserved for special group selectors such as the new `@ungrouped` selector. ([#2617](j178/prek#2617)) - `PREK_MAX_CONCURRENCY` has been removed. Use `PREK_CONCURRENT_HOOKS` and `PREK_CONCURRENT_BATCHES` to control hook and per-hook batch concurrency separately. ([#2620](j178/prek#2620)) - The top-level `prek init-template-dir` command… (truncated) ### v0.5.1 ## Release Notes Released on 2026-09-01. ### Enhancements - Add `--hide-status <passed|failed|skipped>` for hook reports ([#2644](j178/prek#2644)) - Add `prek init` for repository setup ([#2636](j178/prek#2636)) - Apply hook `env` during environment creation ([#2650](j178/prek#2650)) - Disable error snippets in `check-yaml` diagnostics ([#2664](j178/prek#2664)) - Show hooks excluded by skip selectors ([#2645](j178/prek#2645)) - Support Pixi for Conda environments ([#2667](j178/prek#2667)) - Support `cargo-binstall` for Rust CLI dependencies ([#2658](j178/prek#2658)) - Warn about unused keys in user settings ([#2665](j178/prek#2665)) ### Bug fixes - Reject unsupported YAML tags in check-yaml ([#2656](j178/prek#2656)) ### Documentation - Clarify local hook documentation ([#2640](j178/prek#2640)) - Clarify pre-commit command compatibility ([#2635](j178/prek#2635)) - Document automatic PR fixes with autofix.ci ([#2643](j178/prek#2643)) - Document check-yaml unsafe support ([#2632](j178/prek#2632)) - Improve setup and workflow documentation ([#2637](j178/prek#2637)) ### Other changes - Drop low-usage release targets ([#2651](j178/prek#2651)) - Generate a prek manifest JSON schema ([#2648](j178/prek#2648)) ### Contributors - @j178 ## Install prek 0.5.1 ### Install prebuilt binaries via shell script ```sh curl --proto '=https' --tlsv1.2 -LsSf https://github.com/j178/prek/releases/download/v0.5.1/prek-installer.sh | sh ``` ### Install prebuilt binaries via powershell script ```sh powershell -ExecutionPolicy Bypass -c "irm https://github.com/j178/prek/releases/download… (truncated) ### v0.5.2 ## Release Notes Released on 2026-09-03. ### Enhancements - Allow unknown tags by default in `check-yaml` ([#2678](j178/prek#2678)) ### Contributors - @j178 ## Install prek 0.5.2 ### Install prebuilt binaries via shell script ```sh curl --proto '=https' --tlsv1.2 -LsSf https://github.com/j178/prek/releases/download/v0.5.2/prek-installer.sh | sh ``` ### Install prebuilt binaries via powershell script ```sh powershell -ExecutionPolicy Bypass -c "irm https://github.com/j178/prek/releases/download/v0.5.2/prek-installer.ps1 | iex" ``` ### Install prebuilt binaries via Homebrew ```sh brew install prek ``` ## Download prek 0.5.2 | File | Platform | Checksum | |--------|----------|----------| | [prek-aarch64-apple-darwin.tar.gz](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-apple-darwin.tar.gz) | Apple Silicon macOS | [checksum](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-apple-darwin.tar.gz.sha256) | | [prek-x86_64-apple-darwin.tar.gz](https://github.com/j178/prek/releases/download/v0.5.2/prek-x86_64-apple-darwin.tar.gz) | Intel macOS | [checksum](https://github.com/j178/prek/releases/download/v0.5.2/prek-x86_64-apple-darwin.tar.gz.sha256) | | [prek-aarch64-pc-windows-msvc.zip](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-pc-windows-msvc.zip) | ARM64 Windows | [checksum](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-pc-windows-msvc.zip.sha256) | | [prek-x86_64-pc-windows-msvc.zip](https://github.com/j178/prek/releases/download/v0.5.2/prek-x86_64-pc-windows-msvc.zip) | x64 Windows | [checksum](https://github.com/j178/prek/releases/download/v0.5.2/prek-x86_64-pc-windows-msvc.zip.sha256) | | [prek-aarch64-unknown-linux-gnu.tar.gz](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-unknown-linux-gnu.tar.gz) | ARM64 Linux | [checksum](https://github.com/j178/prek/releases/download/v0.5.2/prek-aarch64-unknown-linux-gnu.tar.g… (truncated) </details> </details> Modified files: - `.mise.toml` Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Copilot AI lite review requested due to automatic review settings August 26, 2026 13:18

j178 added enhancement New feature or request breaking Breaking changes labels Aug 26, 2026

Copilot AI reviewed Aug 26, 2026

j178 added enhancement New feature or request breaking Breaking changes labels Aug 26, 2026

j178 changed the title ~~Remove PREK_MAX_CONCURRENCY~~ Remove PREK_MAX_CONCURRENCY Aug 26, 2026

j178 added 2 commits August 26, 2026 21:24

Remove legacy update aliases

fd44aab

Remove PREK_MAX_CONCURRENCY

eedda1b

j178 force-pushed the drop-update-aliases branch from 8bd7233 to fd44aab Compare August 26, 2026 13:26

j178 force-pushed the drop-max-concurrency branch from 9275cc1 to eedda1b Compare August 26, 2026 13:26

Base automatically changed from drop-update-aliases to master August 27, 2026 02:56

j178 merged commit 62ca460 into master Aug 27, 2026
36 checks passed

j178 deleted the drop-max-concurrency branch August 27, 2026 02:57

BrewTestBot mentioned this pull request Aug 27, 2026

prek 0.5.0 Homebrew/homebrew-core#300873

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This was referenced Sep 1, 2026

chore(mise): upgrade prek jylenhof/mise-en-place-tips#69

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chore(mise): upgrade prek jylenhof/github-actions-resources#77

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This was referenced Sep 11, 2026

chore(mise): upgrade prek jylenhof/gh-action-pulse#213

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chore(mise): upgrade prek jylenhof/gh-action-pulse#219

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prek-ci-bot Bot commented Aug 26, 2026

📦 Cargo Bloat Comparison

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prek-ci-bot Bot commented Aug 26, 2026

⚡️ Hyperfine Benchmarks

prek --version

prek list

prek validate-config .pre-commit-config.yaml

prek sample-config

prek run --all-files (cold - no cache)

prek run --all-files (warm - with cache)

prek run --all-files (full builtin hook suite)

prek run trailing-whitespace --all-files

prek run end-of-file-fixer --all-files

prek run check-json --all-files

prek run check-yaml --all-files

prek run check-toml --all-files

prek run check-xml --all-files

prek run detect-private-key --all-files

prek run fix-byte-order-marker --all-files

prek install-hooks (cold - no cache)

prek install-hooks (warm - with cache)

prek run (staged files only)

prek run --files '*.json' (specific file type)

prek run --dry-run --all-files (measures init overhead)

prek run check-hooks-apply --all-files

prek run check-useless-excludes --all-files

prek run identity --all-files

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codecov Bot commented Aug 26, 2026 •

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`prek --version`

`prek list`

`prek validate-config .pre-commit-config.yaml`

`prek sample-config`

`prek run --all-files (cold - no cache)`

`prek run --all-files (warm - with cache)`

`prek run --all-files (full builtin hook suite)`

`prek run trailing-whitespace --all-files`

`prek run end-of-file-fixer --all-files`

`prek run check-json --all-files`

`prek run check-yaml --all-files`

`prek run check-toml --all-files`

`prek run check-xml --all-files`

`prek run detect-private-key --all-files`

`prek run fix-byte-order-marker --all-files`

`prek install-hooks (cold - no cache)`

`prek install-hooks (warm - with cache)`

`prek run (staged files only)`

`prek run --files '*.json' (specific file type)`

`prek run --dry-run --all-files (measures init overhead)`

`prek run check-hooks-apply --all-files`

`prek run check-useless-excludes --all-files`

`prek run identity --all-files`