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@zanieb zanieb commented Jan 8, 2026

Closes #14230

@zanieb zanieb added the documentation Improvements or additions to documentation label Jan 8, 2026
The documentation previously said "syncing is exact by default" without
clarifying that this applies only to `uv sync`, not `uv run`. This led
users to incorrectly believe that `uv run` would remove extraneous
packages from their environment.

This commit updates the documentation to:
- Rename the section to "Handling of extraneous packages"
- Explicitly state that `uv sync` uses exact syncing while `uv run` uses
  inexact syncing by default
- Document the `--exact` flag for `uv run`
- Add a note in the projects guide clarifying that extraneous packages
  may be present

Fixes astral-sh#14230
@zaniebot zaniebot force-pushed the claude/clarify-issue-discussion-5Oc13 branch from 282593e to b031e9f Compare January 8, 2026 21:18
@zanieb zanieb marked this pull request as ready for review January 8, 2026 21:51
@zanieb zanieb merged commit 21f76e8 into astral-sh:main Jan 9, 2026
88 checks passed
tmeijn pushed a commit to tmeijn/dotfiles that referenced this pull request Jan 12, 2026
This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [astral-sh/uv](https://github.com/astral-sh/uv) | patch | `0.9.22` → `0.9.24` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

---

### Release Notes

<details>
<summary>astral-sh/uv (astral-sh/uv)</summary>

### [`v0.9.24`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#0924)

[Compare Source](astral-sh/uv@0.9.23...0.9.24)

Released on 2026-01-09.

##### Bug fixes

- Fix handling of `UV_NO_SYNC=1 uv run ...` ([#&#8203;17391](astral-sh/uv#17391))
- Rebuild dynamic distribution when version changes with `--no-cache` ([#&#8203;17387](astral-sh/uv#17387))

##### Documentation

- Add Rust language classifier ([#&#8203;17389](astral-sh/uv#17389))

### [`v0.9.23`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#0923)

[Compare Source](astral-sh/uv@0.9.22...0.9.23)

Released on 2026-01-09.

##### Enhancements

- Only write portable paths in `RECORD` files ([#&#8203;17339](astral-sh/uv#17339))
- Support relative paths in `UV_PYTHON_BIN_DIR` and `UV_TOOL_BIN_DIR` ([#&#8203;17367](astral-sh/uv#17367))

##### Preview features

- Enable uploads to S3 via pre-signed URLs ([#&#8203;17349](astral-sh/uv#17349))

##### Configuration

- Allow setting proxy variables via global / user configuration ([#&#8203;16918](astral-sh/uv#16918))
- Manually parse and reconcile Boolean environment variables ([#&#8203;17321](astral-sh/uv#17321))

##### Bug fixes

- Avoid broken build artifacts on build failure ([#&#8203;17276](astral-sh/uv#17276))
- Fix missing dependencies on synthetic root in SBOM export ([#&#8203;17363](astral-sh/uv#17363))
- Recognize `armv8l` as an alias for `armv7l` in platform tag parsing ([#&#8203;17384](astral-sh/uv#17384))
- Fix redaction of a URL in a middleware trace log ([#&#8203;17346](astral-sh/uv#17346))

##### Documentation

- Add `index.md` suggestion to `llms.txt` ([#&#8203;17362](astral-sh/uv#17362))
- Clarify that `uv run` uses inexact syncing by default ([#&#8203;17366](astral-sh/uv#17366))

</details>

---

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This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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uv run does not remove extraneous packages

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