# uv 0.12.5

- Product: uv (https://whatsnew.fyi/product/uv)
- Vendor: uv
- Date: 2026-08-14
- Version: 0.12.5
- Original notes: https://github.com/astral-sh/uv/releases/tag/0.12.5
- Permalink: https://whatsnew.fyi/product/uv/releases/0.12.5

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'.

---

- **added** — Add CPython 3.10.21, 3.11.16, and 3.12.14
- **changed** — Prefer newer versions and standard variants when selecting between equally prioritized Python interpreters
- **changed** — Simplify errors and hints for invalid editable requirements, and redact credentials in requirement URLs
- **added** — Allow --index and --default-index to select configured package indexes by name with the index-by-name preview feature
- **added** — Include distribution artifact URLs and hashes in CycloneDX SBOM exports by default
- **changed** — Fall back to logical file sizes when using cache-physical-space on filesystems that do not support physical-space accounting
- **fixed** — Resolve relative package index paths in PEP 723 scripts against the script directory

##### Release Notes

Released on 2026-08-14.

###### Python

- Add CPython 3.10.21, 3.11.16, and 3.12.14 ([#21138](https://github.com/astral-sh/uv/pull/21138))
- Prefer newer versions and standard variants when selecting between equally prioritized Python interpreters ([#21134](https://github.com/astral-sh/uv/pull/21134))

###### Enhancements

- Simplify errors and hints for invalid editable requirements, and redact credentials in requirement URLs ([#21130](https://github.com/astral-sh/uv/pull/21130))

###### Preview features

- Allow `--index` and `--default-index` to select configured package indexes by name with the `index-by-name` preview feature ([#17455](https://github.com/astral-sh/uv/pull/17455))
- Include distribution artifact URLs and hashes in CycloneDX SBOM exports by default ([#21131](https://github.com/astral-sh/uv/pull/21131))
- Fall back to logical file sizes when using `cache-physical-space` on filesystems that do not support physical-space accounting ([#21133](https://github.com/astral-sh/uv/pull/21133))

###### Bug fixes

- Resolve relative package index paths in PEP 723 scripts against the script directory ([#21097](https://github.com/astral-sh/uv/pull/21097))

##### Install uv 0.12.5

###### Install prebuilt binaries via shell script

```sh
curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-installer.sh | sh
```

###### Install prebuilt binaries via powershell script

```sh
powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-installer.ps1 | iex"
```

##### Download uv 0.12.5

|  File  | Platform | Checksum |
|--------|----------|----------|
| [uv-aarch64-apple-darwin.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-aarch64-apple-darwin.tar.gz) | Apple Silicon macOS | [checksum](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-aarch64-apple-darwin.tar.gz.sha256) |
| [uv-x86_64-apple-darwin.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-x86_64-apple-darwin.tar.gz) | Intel macOS | [checksum](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-x86_64-apple-darwin.tar.gz.sha256) |
| [uv-aarch64-pc-windows-msvc.zip](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-aarch64-pc-windows-msvc.zip) | ARM64 Windows | [checksum](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-aarch64-pc-windows-msvc.zip.sha256) |
| [uv-i686-pc-windows-msvc.zip](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-i686-pc-windows-msvc.zip) | x86 Windows | [checksum](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-i686-pc-windows-msvc.zip.sha256) |
| [uv-x86_64-pc-windows-msvc.zip](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-x86_64-pc-windows-msvc.zip) | x64 Windows | [checksum](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-x86_64-pc-windows-msvc.zip.sha256) |
| [uv-aarch64-unknown-linux-gnu.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-aarch64-unknown-linux-gnu.tar.gz) | ARM64 Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-aarch64-unknown-linux-gnu.tar.gz.sha256) |
| [uv-i686-unknown-linux-gnu.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-i686-unknown-linux-gnu.tar.gz) | x86 Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-i686-unknown-linux-gnu.tar.gz.sha256) |
| [uv-powerpc64le-unknown-linux-gnu.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-powerpc64le-unknown-linux-gnu.tar.gz) | PPC64LE Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-powerpc64le-unknown-linux-gnu.tar.gz.sha256) |
| [uv-riscv64gc-unknown-linux-gnu.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.12.5/uv-riscv64gc-unknown-linux-gnu.tar.gz) | RISCV Linux | [checksum](https://releases.as

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