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| Package | Type | Update | Change |
|---|---|---|---|
| [anyhow](https://redirect.github.com/dtolnay/anyhow) |
workspace.dependencies | patch | `1.0.99` -> `1.0.100` |
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### Release Notes
<details>
<summary>dtolnay/anyhow (anyhow)</summary>
###
[`v1.0.100`](https://redirect.github.com/dtolnay/anyhow/releases/tag/1.0.100)
[Compare
Source](https://redirect.github.com/dtolnay/anyhow/compare/1.0.99...1.0.100)
- Teach clippy to lint formatting arguments in `bail!`, `ensure!`,
`anyhow!`
([#​426](https://redirect.github.com/dtolnay/anyhow/issues/426))
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## Summary
This PR enables users to mark a URL as an S3 endpoint, at which point uv
will sign requests to that URL by detecting credentials from the
standard AWS environment variables, configuration files, etc.
Signing is handled by the
[reqsign](https://docs.rs/reqsign/latest/reqsign/) crate, which we can
also use in the future to sign requests for other providers.
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This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [clap](https://redirect.github.com/clap-rs/clap) |
workspace.dependencies | patch | `4.5.47` -> `4.5.48` |
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<summary>clap-rs/clap (clap)</summary>
###
[`v4.5.48`](https://redirect.github.com/clap-rs/clap/blob/HEAD/CHANGELOG.md#4548---2025-09-19)
[Compare
Source](https://redirect.github.com/clap-rs/clap/compare/v4.5.47...v4.5.48)
##### Documentation
- Add a new CLI Concepts document as another way of framing clap
- Expand the `typed_derive` cookbook entry
</details>
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This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [cargo-util](https://redirect.github.com/rust-lang/cargo) |
workspace.dependencies | patch | `0.2.22` -> `0.2.23` |
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Add an incompatibility that lets pubgrub skip of marker packages when
the base package already has an incompatible version to improve the
error messages (https://github.com/astral-sh/uv/issues/15199).
The change is also a small perf improvement. Overall this should be able
to improve performance in slow cases by avoiding trying proxy package
versions that are impossible anyway, for a (ideally very small cost) for
tracking the additional incompatibility and tracking the base package
for each proxy package.
```
$ hhyperfine --warmup 2 "uv pip compile --universal scripts/requirements/airflow.in" "target/release/uv pip compile --universal scripts/requirements/airflow.in"
Benchmark 1: uv pip compile --universal scripts/requirements/airflow.in
Time (mean ± σ): 145.5 ms ± 3.9 ms [User: 154.7 ms, System: 140.7 ms]
Range (min … max): 139.2 ms … 153.4 ms 20 runs
Benchmark 2: target/release/uv pip compile --universal scripts/requirements/airflow.in
Time (mean ± σ): 128.7 ms ± 5.5 ms [User: 141.9 ms, System: 137.3 ms]
Range (min … max): 121.8 ms … 142.0 ms 23 runs
Summary
target/release/uv pip compile --universal scripts/requirements/airflow.in ran
1.13 ± 0.06 times faster than uv pip compile --universal scripts/requirements/airflow.in
```
This implementation is the basic version: When we see a proxy
`foo{...}>=x,<y` we add a dependency edge `foo{...}>=x,<y` ->
`foo>=x,<y`. There are several way to extend this, which likely help
more with performance than with error messages.
One idea is that if we see `foo{...}>=x,<y` but we already made a
selection for `foo==z` outside that range, we can insert a dependency
`foo{...}!=z` -> `foo!=z`. This avoids trying any version of the proxy
package except the version that matches our previous selection.
Another is that if we see a dependency `foo>=x,<y`, we also add
`foo{...}>=x,y` -> `foo>=x,<y`. This allows backtracking beyond `foo`
immediately if all version of `foo{...}>=x,<y` are incompatible, since
`foo{...}>=x,<y` incompatible -> `foo>=x,<y` incompatible -> the package
that depended of `foo>=x,<y` is incompatible.
The cost for each of these operations is tracking an additional
incompatibility per virtual package. An alternative approach is to only
add the incompatibility lazily, only when we've tried several version of
the virtual package already. This needs to be weighed of with the better
error messages that the incompatibility gives, we unfortunately have
only few large reference examples.
Requires https://github.com/astral-sh/pubgrub/pull/45
Closes https://github.com/astral-sh/uv/issues/15199
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [hashbrown](https://redirect.github.com/rust-lang/hashbrown) |
workspace.dependencies | minor | `0.15.1` -> `0.16.0` |
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<summary>rust-lang/hashbrown (hashbrown)</summary>
###
[`v0.16.0`](https://redirect.github.com/rust-lang/hashbrown/blob/HEAD/CHANGELOG.md#0160---2025-08-28)
[Compare
Source](https://redirect.github.com/rust-lang/hashbrown/compare/v0.15.5...v0.16.0)
##### Changed
- Bump foldhash, the default hasher, to 0.2.0.
- Replaced `DefaultHashBuilder` with a newtype wrapper around `foldhash`
instead
of re-exporting it directly.
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## Summary
In the process of making a different change, I noticed that we parse
this during source discovery, throw it away, then parse it again later.
## Summary
If the target for `uv pip compile` is a `pyproject.toml` in a
subdirectory, we won't have loaded the credentials when we go to lower
(since it won't be loaded as part of "configuration discovery"). We now
add those indexes just-in-time.
Closes https://github.com/astral-sh/uv/issues/15362.
