0.12.15

Release Notes

Released on 2026-09-15.

This release fixes a regression in 0.12.14 that lead to rejecting valid installation commands such as using
uv pip install --system in python:* docker images or when using uv pip install --target .. (#21699)

Performance

• Speed up cold-cache resolution and HTTP cache revalidation by batching cache writes (#21675)

Bug fixes

• Revert "Reject symlinked wheel installation destinations" (#21699)

Install uv 0.12.15

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/uv/releases/download/0.12.15/uv-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/uv/releases/download/0.12.15/uv-installer.ps1 | iex"

Download uv 0.12.15

Verifying GitHub Artifact Attestations

The artifacts in this release have attestations generated with GitHub Artifact Attestations. These can be verified by using the GitHub CLI:

gh attestation verify  --repo astral-sh/uv

You can also download the attestation from GitHub and verify against that directly:

gh attestation verify  --bundle