# bat v0.26.0

- Product: bat (https://whatsnew.fyi/product/bat)
- Vendor: David Peter
- Date: 2025-10-19
- Version: v0.26.0
- Original notes: https://github.com/sharkdp/bat/releases/tag/v0.26.0
- Permalink: https://whatsnew.fyi/product/bat/releases/v0.26.0

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Add build for windows/ARM64 platform
- **added** — Add paging to `--list-themes`
- **added** — Support negative relative line ranges, e.g. `bat -r :-10` / `bat -r='-10:'`
- **added** — Support context in line ranges, e.g. `bat -r 30::5` / `bat -r 30:40:5`
- **added** — Add built-in 'minus' pager, e.g. `bat --pager=builtin`
- **fixed** — Fix UTF-8 BOM not being stripped for syntax detection
- **fixed** — Fix `BAT_THEME_DARK` and `BAT_THEME_LIGHT` being ignored
- **fixed** — Prevent `--list-themes` from outputting default theme info to stdout when it is piped
- **fixed** — Fix crash for multibyte characters in file path
- **fixed** — Add missing mappings for various bash/zsh files
- **fixed** — Send all bat errors to stderr by default
- **fixed** — Make --map-syntax target case insensitive to match --language
- **fixed** — Correctly determine the end of the line in UTF16LE/BE input
- **fixed** — `--style=changes` no longer prints a two-space indent when the file is unmodified
- **fixed** — Add missing shell completions
- **fixed** — Execute help/version/diagnostic commands even with invalid config/arguments present
- **fixed** — Fix line numbers (`-n`) and style components not printing when piping output
- **changed** — Update terminal-colorsaurus (the library used for dark/light detection) to 1.0
- **changed** — Update console dependency to 0.16
- **changed** — Update syntect dependency to v5.3.0

#### v0.26.0

##### Features
- Add build for windows/ARM64 platform. #3190 (@alcroito)
- Add paging to `--list-themes`, see PR #3239 (@einfachIrgendwer0815)
- Support negative relative line ranges, e.g. `bat -r :-10` / `bat -r='-10:'`, see #3068 (@ajesipow)
- Support context in line ranges, e.g. `bat -r 30::5` /  `bat -r 30:40:5`, see #3345 (@cavanaug)
- Add built-in 'minus' pager, e.g. `bat --pager=builtin` see PR #3402 (@academician)

##### Bugfixes

- Fix UTF-8 BOM not being stripped for syntax detection, see #3314 (@krikera)
- Fix `BAT_THEME_DARK` and `BAT_THEME_LIGHT` being ignored, see issue #3171 and PR #3168 (@bash)
- Prevent `--list-themes` from outputting default theme info to stdout when it is piped, see #3189 (@einfachIrgendwer0815)
- Rename some submodules to fix Dependabot submodule updates, see issue #3198 and PR #3201 (@victor-gp)
- Make highlight tests fail when new syntaxes don't have fixtures PR #3255 (@dan-hipschman)
- Fix crash for multibyte characters in file path, see issue #3230 and PR #3245 (@HSM95)
- Add missing mappings for various bash/zsh files, see PR #3262 (@AdamGaskins)
- Send all bat errors to stderr by default, see #3336 (@JerryImMouse)
- Make --map-syntax target case insensitive to match --language, see #3206 (@keith-hall)
- Correctly determine the end of the line in UTF16LE/BE input #3369 (@keith-hall)
- `--style=changes` no longer prints a two-space indent when the file is unmodified, see issue #2710 and PR #3406 (@jyn514)
- Add missing shell completions, see #3411 (@keith-hall)
- Execute help/version/diagnostic commands even with invalid config/arguments present, see #3414 (@keith-hall)
- Fixed line numbers (`-n`) and style components not printing when piping output, see issue #2935 and PR #3438 (@lmmx)

##### Other

- Update base16 README links to community driven base16 work #2871 (@JamyGolden)
- Work around build failures when building `bat` from vendored sources #3179 (@dtolnay)
- CICD: Stop building for x86_64-pc-windows-gnu which fails #3261 (Enselic)
- CICD:  CICD: replace windows-2019 runners with windows-2025 #3339 (@cyqsimon)
- Build script: replace string-based codegen with quote-based codegen #3340 (@cyqsimon)
- Improve code coverage of `--list-languages` parameter #2942 (@sblondon)
- Only start offload worker thread when there's more than 1 core #2956 (@cyqsimon)
- Update terminal-colorsaurus (the library used for dark/light detection) to 1.0, see #3347 (@bash)
- Update console dependency to 0.16, see #3351 (@musicinmybrain)
- Fixed some typos #3244 (@ssbarnea)
- Update onig_sys dependency to 69.9.1 to fix a gcc build failure #3400 (@CosmicHorrorDev)
- Add a cargo feature (`vendored-libgit2`) to build with vendored libgit2 version without depending on the system's one #3426 (@0x61nas)
- Update syntect dependency to v5.3.0 to fix a few minor bugs, see #3410 (@keith-hall)

##### Syntaxes

- Add syntax mapping for `paru` configuration files #3182 (@cyqsimon)
- Add support for [Idris 2 programming language](https://www.idris-lang.org/) #3150 (@buzden)
- Add syntax mapping for `nix`'s '`flake.lock` lockfiles #3196 (@odilf)
- Improvements to CSV/TSV highlighting, with autodetection of delimiter and support for TSV files, see #3186 (@keith-
- Improve (Sys)log error highlighting, see #3205 (@keith-hall)
- Map `ndjson` extension to JSON syntax, see #3209 (@keith-hall)
- Map files with `csproj`, `vbproj`, `props` and `targets` extensions to XML syntax, see #3213 (@keith-hall)
- Add debsources syntax to highlight `/etc/apt/sources.list` files, see #3215 (@keith-hall)
- Add syntax definition and test file for GDScript highlighting, see #3236 (@chetanjangir0)
- Add syntax test file for Odin highlighting, see #3241 (@chetanjangir0)
- Update quadlet syntax mapping rules to cover quadlets in subdirectories #3299 (@cyqsimon)
- Add syntax Typst #3300 (@cskeeters)
- Map `.mill` files to Scala syntax for Mill build tool configuration files #

_[Truncated at 4000 characters — full notes: https://github.com/sharkdp/bat/releases/tag/v0.26.0]_