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# Changelog 0.6.x
## 0.6.0
There have been 31 releases and 1135 pull requests since
[0.5.0](https://github.com/astral-sh/uv/releases/tag/0.5.0), our last release with breaking changes.
As before, we've accumulated various changes that improve correctness and user experience, but could
break some workflows. This release contains those changes; many have been marked as breaking out of
an abundance of caution. We expect most users to be able to upgrade without making changes.
### Breaking changes
- **Create `main.py` instead of `hello.py` in `uv init`**
([#10369](https://github.com/astral-sh/uv/pull/10369))
Previously, `uv init` created a `hello.py` sample file. Now, `uv init` will create `main.py`
instead — which aligns with expectations from user feedback. The `--bare` option can be used to
avoid creating the file altogether.
- **Respect `UV_PYTHON` in `uv python install`**
([#11487](https://github.com/astral-sh/uv/pull/11487))
Previously, `uv python install` did not read this environment variable; now it does. We believe
this matches user expectations, however, this will take priority over `.python-version` files
which could be considered breaking.
- **Set `UV` to the uv executable path** ([#11326](https://github.com/astral-sh/uv/pull/11326))
When uv spawns a subprocess, it will now have the `UV` environment variable set to the `uv` binary
path. This change is breaking if you are setting the `UV` environment variable yourself, as we
will overwrite its value.
Additionally, this change requires marking the uv Rust entrypoint (`uv::main`) as `unsafe` to
avoid unsoundness — this is only relevant if you are invoking uv using Rust. See the
[Rust documentation](https://doc.rust-lang.org/std/env/fn.set_var.html#safety) for details about
the safety of updating a process' environment.
- **Error on non-existent extras, e.g., in `uv sync`**
([#11426](https://github.com/astral-sh/uv/pull/11426))
Previously, uv would silently ignore non-existent extras requested on the command-line (e.g., via
`uv sync --extra foo`). This is _generally_ correct behavior when resolving requests for package
extras, because an extra may be present on one compatible version of a package but not another.
However, this flexibility doesn't need to apply to the local project and it's less surprising to
error here.
- **Error on missing dependency groups when `--frozen` is provided**
([#11499](https://github.com/astral-sh/uv/pull/11499))
Previously, uv would not validate that the requested dependency groups were present in the
lockfile when the `--frozen` flag was used. Now, an error will be raised if a requested dependency
group is not present.
- **Change `-p` to a `--python` alias in `uv pip compile`**
([#11486](https://github.com/astral-sh/uv/pull/11486))
In `uv pip compile`, `-p` was an alias for `--python-version` while everywhere else in uv's
interface it is an alias for `--python`. Additionally, `uv pip compile` did not respect the
`UV_PYTHON` environment variable. Now, the semantics of this flag have been updated for parity
with the rest of the CLI.
However, `--python-version` is unique: if we cannot find an interpreter with the given version, we
will not fail. Instead, we'll use an alternative interpreter and override its version tags with
the requested version during package resolution. This behavior is retained here for backwards
compatibility, `--python <version>` / `-p <version>` will not fail if the version cannot be found.
However, if a specific interpreter is requested, e.g., with `--python <path>` or `--python pypy`,
and cannot be found — uv will exit with an error.
The breaking changes here are that `UV_PYTHON` is respected and `--python <version>` will no
longer fail if the version cannot be found.
- **Bump `alpine` default tag to 3.21 for derived Docker images**
([#11157](https://github.com/astral-sh/uv/pull/11157))
Alpine 3.21 was released in Dec 2024 and is used in the official Alpine-based Python images. Our
`uv:python3.x-alpine` images have been using 3.21 since uv v0.5.8. However, now the `uv:alpine`
image will use 3.21 instead of 3.20 and `uv:alpine3.20` will no longer be updated.
- **Use files instead of junctions on Windows**
([#11269](https://github.com/astral-sh/uv/pull/11269))
Previously, we used junctions for atomic replacement of cache entries on Windows. Now, we use a
file with a pointer to the cache entry instead. This resolves various edge-case behaviors with
junctions. These files are only intended to be consumed by uv and the cache version has been
bumped. We do not think this change will affect workflows.
### Stabilizations
- **`uv publish` is no longer in preview** ([#11032](https://github.com/astral-sh/uv/pull/11032))
This does not come with any behavior changes. You will no longer see an experimental warning when
using `uv publish`. See the linked pull request for a report on the stabilization.
### Enhancements
- Support `--active` for PEP 723 script environments
([#11433](https://github.com/astral-sh/uv/pull/11433))
- Add `revision` to the lockfile to allow backwards-compatible metadata changes
([#11500](https://github.com/astral-sh/uv/pull/11500))
### Bug fixes
- Avoid reading metadata from `.egg-info` files
([#11395](https://github.com/astral-sh/uv/pull/11395))
- Include archive bucket version in archive pointers
([#11306](https://github.com/astral-sh/uv/pull/11306))
- Omit lockfile version when additional fields are dynamic
([#11468](https://github.com/astral-sh/uv/pull/11468))
- Respect executable name in `uvx --from tool@latest`
([#11465](https://github.com/astral-sh/uv/pull/11465))
### Documentation
- The `CHANGELOG.md` is now split into separate files for each "major" version to fix rendering
([#11510](https://github.com/astral-sh/uv/pull/11510))
## 0.6.1
### Enhancements
- Allow users to mark platforms as "required" for wheel coverage
([#10067](https://github.com/astral-sh/uv/pull/10067))
- Warn for builds in non-build and workspace root pyproject.toml
([#11394](https://github.com/astral-sh/uv/pull/11394))
### Bug fixes
- Add `--all` to `uvx --reinstall` message ([#11535](https://github.com/astral-sh/uv/pull/11535))
- Fallback to `GET` on HTTP 400 when attempting to use range requests for wheel download
([#11539](https://github.com/astral-sh/uv/pull/11539))
- Prefer local variants in preference selection
([#11546](https://github.com/astral-sh/uv/pull/11546))
- Respect verbatim executable name in `uvx` ([#11524](https://github.com/astral-sh/uv/pull/11524))
### Documentation
- Add documentation for required environments ([#11542](https://github.com/astral-sh/uv/pull/11542))
- Note that `main.py` used to be `hello.py` ([#11519](https://github.com/astral-sh/uv/pull/11519))
## 0.6.2
### Enhancements
- Add support for constraining build dependencies with `tool.uv.build-constraint-dependencies`
([#11585](https://github.com/astral-sh/uv/pull/11585))
- Sort dependency group keys when adding new group
([#11591](https://github.com/astral-sh/uv/pull/11591))
### Performance
- Use an `Arc` for index URLs ([#11586](https://github.com/astral-sh/uv/pull/11586))
### Bug fixes
- Allow use of x86-64 Python on ARM Windows ([#11625](https://github.com/astral-sh/uv/pull/11625))
- Fix an issue where conflict markers could instigate a very large lock file
([#11293](https://github.com/astral-sh/uv/pull/11293))
- Fix duplicate packages with multiple conflicting extras declared
([#11513](https://github.com/astral-sh/uv/pull/11513))
- Respect color settings for log messages ([#11604](https://github.com/astral-sh/uv/pull/11604))
- Eagerly reject unsupported Git schemes ([#11514](https://github.com/astral-sh/uv/pull/11514))
### Documentation
- Add documentation for specifying Python versions in tool commands
([#11598](https://github.com/astral-sh/uv/pull/11598))
## 0.6.3
### Enhancements
- Allow quotes around command-line options in `requirement.txt files`
([#11644](https://github.com/astral-sh/uv/pull/11644))
- Initialize PEP 723 script in `uv lock --script`
([#11717](https://github.com/astral-sh/uv/pull/11717))
### Configuration
- Accept multiple `.env` files in `UV_ENV_FILE`
([#11665](https://github.com/astral-sh/uv/pull/11665))
### Performance
- Reduce overhead in converting resolutions ([#11660](https://github.com/astral-sh/uv/pull/11660))
- Use `SmallString` on `Hashes` ([#11756](https://github.com/astral-sh/uv/pull/11756))
- Use a `Box` for `Yanked` on `File` ([#11755](https://github.com/astral-sh/uv/pull/11755))
- Use a `SmallString` for the `Yanked` enum ([#11715](https://github.com/astral-sh/uv/pull/11715))
- Use boxed slices for hash vector ([#11714](https://github.com/astral-sh/uv/pull/11714))
- Use install concurrency for bytecode compilation too
([#11615](https://github.com/astral-sh/uv/pull/11615))
### Bug fixes
- Avoid installing duplicate dependencies across conflicting groups
([#11653](https://github.com/astral-sh/uv/pull/11653))
- Check subdirectory existence after cache heal
([#11719](https://github.com/astral-sh/uv/pull/11719))
- Include uppercase platforms for Windows wheels
([#11681](https://github.com/astral-sh/uv/pull/11681))
- Respect existing PEP 723 script settings in `uv add`
([#11716](https://github.com/astral-sh/uv/pull/11716))
- Reuse refined interpreter to create tool environment
([#11680](https://github.com/astral-sh/uv/pull/11680))
- Skip removed directories during bytecode compilation
([#11633](https://github.com/astral-sh/uv/pull/11633))
- Support conflict markers in `uv export` ([#11643](https://github.com/astral-sh/uv/pull/11643))
- Treat lockfile as outdated if (empty) extras are added
([#11702](https://github.com/astral-sh/uv/pull/11702))
- Display path separators as backslashes on Windows
([#11667](https://github.com/astral-sh/uv/pull/11667))
- Display the built file name instead of the canonicalized name in `uv build`
([#11593](https://github.com/astral-sh/uv/pull/11593))
- Fix message when there are no buildable packages
([#11722](https://github.com/astral-sh/uv/pull/11722))
- Re-allow HTTP schemes for Git dependencies ([#11687](https://github.com/astral-sh/uv/pull/11687))
### Documentation
- Add anchor links to arguments and options in the CLI reference
([#11754](https://github.com/astral-sh/uv/pull/11754))
- Add link to environment marker specification
([#11748](https://github.com/astral-sh/uv/pull/11748))
- Fix missing a closing bracket in the `cache-keys` setting
([#11669](https://github.com/astral-sh/uv/pull/11669))
- Remove the last edited date from documentation pages
([#11753](https://github.com/astral-sh/uv/pull/11753))
- Fix readme typo ([#11742](https://github.com/astral-sh/uv/pull/11742))
## 0.6.4
### Enhancements
- Upgrade pypy3.10 to v7.3.19 ([#11814](https://github.com/astral-sh/uv/pull/11814))
- Allow configuring log verbosity from the CLI (i.e., `-vvv`)
([#11758](https://github.com/astral-sh/uv/pull/11758))
- Warn when duplicate index names found in single file
([#11824](https://github.com/astral-sh/uv/pull/11824))
### Bug fixes
- Always store registry index on resolution packages
([#11815](https://github.com/astral-sh/uv/pull/11815))
- Avoid error on relative paths in `uv tool uninstall`
([#11889](https://github.com/astral-sh/uv/pull/11889))
- Avoid silently dropping errors in directory enumeration
([#11890](https://github.com/astral-sh/uv/pull/11890))
- Disable interactive git terminal prompts during fetches
([#11744](https://github.com/astral-sh/uv/pull/11744))
- Discover Windows registry (PEP 514) Python versions across 32/64-bit
([#11801](https://github.com/astral-sh/uv/pull/11801))
- Don't panic on Ctrl-C in confirm prompt ([#11706](https://github.com/astral-sh/uv/pull/11706))
- Fix non-directory in workspace on Windows ([#11833](https://github.com/astral-sh/uv/pull/11833))
- Make interpreter caching robust to OS upgrades
([#11875](https://github.com/astral-sh/uv/pull/11875))
- Respect `include-system-site-packages` in layered environments
([#11873](https://github.com/astral-sh/uv/pull/11873))
- Suggest `uv tool update-shell` in PowerShell
([#11846](https://github.com/astral-sh/uv/pull/11846))
- Update code page to `65001` before setting environment variables in virtual environments
([#11831](https://github.com/astral-sh/uv/pull/11831))
- Use hash instead of full wheel name in wheels bucket
([#11738](https://github.com/astral-sh/uv/pull/11738))
- Fix version string truncation while generating cache_key
([#11830](https://github.com/astral-sh/uv/pull/11830))
- Explicitly handle ctrl-c in confirmation prompt instead of using a signal handler
([#11897](https://github.com/astral-sh/uv/pull/11897))
### Performance
- Avoid cloning to string when creating cache path
([#11772](https://github.com/astral-sh/uv/pull/11772))
- Avoid redundant clones in version containment check
([#11767](https://github.com/astral-sh/uv/pull/11767))
- Avoid string allocation when enumerating tool names
([#11910](https://github.com/astral-sh/uv/pull/11910))
- Avoid using owned `String` for package name constructors
([#11768](https://github.com/astral-sh/uv/pull/11768))
- Avoid using owned `String` in deserializers ([#11764](https://github.com/astral-sh/uv/pull/11764))
- Migrate to `zlib-rs` (again) ([#11894](https://github.com/astral-sh/uv/pull/11894))
- Remove unnecessary clones when adding package names
([#11771](https://github.com/astral-sh/uv/pull/11771))
- Skip unquote allocation for non-quoted strings
([#11813](https://github.com/astral-sh/uv/pull/11813))
- Use `SmallString` for filenames and URLs ([#11765](https://github.com/astral-sh/uv/pull/11765))
- Use a Boxed slice for version specifiers ([#11766](https://github.com/astral-sh/uv/pull/11766))
- Use matches over contains for extra value parsing
([#11770](https://github.com/astral-sh/uv/pull/11770))
### Documentation
- Avoid fallback to PyPI in mixed CPU/CUDA example
([#11115](https://github.com/astral-sh/uv/pull/11115))
- Docs: Clarify that setting cache-keys overrides defaults
([#11895](https://github.com/astral-sh/uv/pull/11895))
- Document our MSRV policy ([#11898](https://github.com/astral-sh/uv/pull/11898))
- Fix reference to macOS cache path ([#11845](https://github.com/astral-sh/uv/pull/11845))
- Fix typo in `no_default_groups` documentation and changelog
([#11928](https://github.com/astral-sh/uv/pull/11928))
- Update the "Locking and syncing" page ([#11647](https://github.com/astral-sh/uv/pull/11647))
- Update alternative indexes documentation to use new interface
([#10826](https://github.com/astral-sh/uv/pull/10826))
## 0.6.5
### Enhancements
- Allow `--constraints` and `--overrides` in `uvx`
([#10207](https://github.com/astral-sh/uv/pull/10207))
- Allow overrides in `satisfies` check for `uv tool run`
([#11994](https://github.com/astral-sh/uv/pull/11994))
- Allow users to set `package = true` on `tool.uv.sources`
([#12014](https://github.com/astral-sh/uv/pull/12014))
- Add support for Windows legacy scripts via `uv run`
([#11888](https://github.com/astral-sh/uv/pull/11888))
- Return error when running uvx with a `.py` script
([#11623](https://github.com/astral-sh/uv/pull/11623))
- Warn user on use of `uvx run` ([#11992](https://github.com/astral-sh/uv/pull/11992))
### Configuration
- Add `NO_BUILD` and `NO_BUILD_PACKAGE` environment variables
([#11968](https://github.com/astral-sh/uv/pull/11968))
### Performance
- Allow overrides in all satisfies checks ([#11995](https://github.com/astral-sh/uv/pull/11995))
- Respect markers on constraints when validating current environment
([#11976](https://github.com/astral-sh/uv/pull/11976))
### Bug fixes
- Compare major-minor specifiers when filtering interpreters
([#11952](https://github.com/astral-sh/uv/pull/11952))
- Fix system site packages detection default ([#11956](https://github.com/astral-sh/uv/pull/11956))
- Invalidate lockfile when empty dependency groups are added or removed
([#12010](https://github.com/astral-sh/uv/pull/12010))
- Remove prepended sys.path ([#11954](https://github.com/astral-sh/uv/pull/11954))
- Fix PyPy Python version label ([#11965](https://github.com/astral-sh/uv/pull/11965))
- Fix error message suggesting `--user` instead of `--username`
([#11947](https://github.com/astral-sh/uv/pull/11947))
### Preview
- Move the uv build backend into a separate, minimal `uv_build` package
([#11446](https://github.com/astral-sh/uv/pull/11446))
## 0.6.6
### Python
- Add support for dynamic musl Python distributions on x86-64 Linux
([#12121](https://github.com/astral-sh/uv/pull/12121))
- Allow the experimental JIT to be enabled at runtime on Python 3.13 and 3.14 on Linux
- Upgrade the build toolchain to LLVM 20, improving performance
See the
[`python-build-standalone` release notes](https://github.com/astral-sh/python-build-standalone/releases/tag/20250311)
for more details.
### Enhancements
- Add `--marker` flag to `uv add` ([#12012](https://github.com/astral-sh/uv/pull/12012))
- Allow overriding module name for uv build backend
([#11884](https://github.com/astral-sh/uv/pull/11884))
- Sync latest Python releases ([#12120](https://github.com/astral-sh/uv/pull/12120))
- Use 'Upload' instead of 'Download' in publish reporter
([#12029](https://github.com/astral-sh/uv/pull/12029))
- Add `[index].authenticate` allowing authentication to be required on an index
([#11896](https://github.com/astral-sh/uv/pull/11896))
- Add support for Windows legacy scripts in `uv tool run`
([#12079](https://github.com/astral-sh/uv/pull/12079))
- Propagate conflicting dependency groups when using `include-group`
([#12005](https://github.com/astral-sh/uv/pull/12005))
- Show ambiguous requirements when `uv add` failed
([#12106](https://github.com/astral-sh/uv/pull/12106))
### Performance
- Cache workspace discovery ([#12096](https://github.com/astral-sh/uv/pull/12096))
- Insert dependencies into fork state prior to fetching metadata
([#12057](https://github.com/astral-sh/uv/pull/12057))
- Remove some allocations from `uv-auth` ([#12077](https://github.com/astral-sh/uv/pull/12077))
### Bug fixes
- Avoid considering `PATH` updated when the `export` is commented in the shellrc
([#12043](https://github.com/astral-sh/uv/pull/12043))
- Fix `uv publish` retry on network failures ([#12041](https://github.com/astral-sh/uv/pull/12041))
- Use a sized stream in `uv publish` to comply with WSGI PyPI server constraints
([#12111](https://github.com/astral-sh/uv/pull/12111))
- Fix `uv python install --reinstall` when the version was not previously installed
([#12124](https://github.com/astral-sh/uv/pull/12124))
### Preview features
- Fix `uv_build` invocation ([#12058](https://github.com/astral-sh/uv/pull/12058))
### Documentation
- Quote versions string in `python-versions.md`
([#12112](https://github.com/astral-sh/uv/pull/12112))
- Fix tool concept page headings ([#12053](https://github.com/astral-sh/uv/pull/12053))
- Update the `[index].authenticate` docs ([#12102](https://github.com/astral-sh/uv/pull/12102))
- Update versioning policy ([#11666](https://github.com/astral-sh/uv/pull/11666))
## 0.6.7
### Python
- Add CPython 3.14.0a6
- Fix regression where extension modules would use wrong `CXX` compiler on Linux
- Enable FTS3 enhanced query syntax for SQLite
See the
[`python-build-standalone` release notes](https://github.com/astral-sh/python-build-standalone/releases/tag/20250317)
for more details.
### Enhancements
- Add support for `-c` constraints in `uv add`
([#12209](https://github.com/astral-sh/uv/pull/12209))
- Add support for `--global` default version in `uv python pin`
([#12115](https://github.com/astral-sh/uv/pull/12115))
- Always reinstall local source trees passed to `uv pip install`
([#12176](https://github.com/astral-sh/uv/pull/12176))
- Render token claims on publish permission error
([#12135](https://github.com/astral-sh/uv/pull/12135))
- Add pip-compatible `--group` flag to `uv pip install` and `uv pip compile`
([#11686](https://github.com/astral-sh/uv/pull/11686))
### Preview features
- Avoid creating duplicate directory entries in built wheels
([#12206](https://github.com/astral-sh/uv/pull/12206))
- Allow overriding module names for editable builds
([#12137](https://github.com/astral-sh/uv/pull/12137))
### Performance
- Avoid replicating core-metadata field on `File` struct
([#12159](https://github.com/astral-sh/uv/pull/12159))
### Bug fixes
- Add `src` to default cache keys ([#12062](https://github.com/astral-sh/uv/pull/12062))
- Discard insufficient fork markers ([#10682](https://github.com/astral-sh/uv/pull/10682))
- Ensure `python pin --global` creates parent directories if missing
([#12180](https://github.com/astral-sh/uv/pull/12180))
- Fix GraalPy abi tag parsing and discovery ([#12154](https://github.com/astral-sh/uv/pull/12154))
- Remove extraneous script packages in `uv sync --script`
([#12158](https://github.com/astral-sh/uv/pull/12158))
- Remove redundant `activate.bat` output ([#12160](https://github.com/astral-sh/uv/pull/12160))
- Avoid subsequent index hint when no versions are available on the first index
([#9332](https://github.com/astral-sh/uv/pull/9332))
- Error on lockfiles with incoherent wheel versions
([#12235](https://github.com/astral-sh/uv/pull/12235))
### Rust API
- Update `BaseClientBuild` to accept custom proxies
([#12232](https://github.com/astral-sh/uv/pull/12232))
### Documentation
- Make testpypi index explicit in example snippet
([#12148](https://github.com/astral-sh/uv/pull/12148))
- Reverse and format the archived changelogs ([#12099](https://github.com/astral-sh/uv/pull/12099))
- Use consistent commas around i.e. and e.g. ([#12157](https://github.com/astral-sh/uv/pull/12157))
- Fix typos in MRE docs ([#12198](https://github.com/astral-sh/uv/pull/12198))
- Fix double space typo ([#12171](https://github.com/astral-sh/uv/pull/12171))
## 0.6.8
### Enhancements
- Add support for enabling all groups by default with `default-groups = "all"`
([#12289](https://github.com/astral-sh/uv/pull/12289))
- Add simpler `--managed-python` and `--no-managed-python` flags for toggling Python preferences
([#12246](https://github.com/astral-sh/uv/pull/12246))
### Performance
- Avoid allocations for default cache keys ([#12063](https://github.com/astral-sh/uv/pull/12063))
### Bug fixes
- Allow local version mismatches when validating lockfile
([#12285](https://github.com/astral-sh/uv/pull/12285))
- Allow owned string when deserializing `requires-python`
([#12278](https://github.com/astral-sh/uv/pull/12278))
- Make cache errors non-fatal in `Planner::build`
([#12281](https://github.com/astral-sh/uv/pull/12281))
## 0.6.9
### Enhancements
- Use `keyring --mode creds` when `authenticate = "always"`
([#12316](https://github.com/astral-sh/uv/pull/12316))
- Fail with specific error message when no password is present and `authenticate = "always"`
([#12313](https://github.com/astral-sh/uv/pull/12313))
### Bug fixes
- Add boolish value parser for `UV_MANAGED_PYTHON` flags
([#12345](https://github.com/astral-sh/uv/pull/12345))
- Make deserialization non-fatal when assessing source tree revisions
([#12319](https://github.com/astral-sh/uv/pull/12319))
- Use resolver-returned wheel over alternate cached wheel
([#12301](https://github.com/astral-sh/uv/pull/12301))
### Documentation
- Add experimental `--torch-backend` to the PyTorch guide
([#12317](https://github.com/astral-sh/uv/pull/12317))
- Fix `#keyring-provider` references in alternative index docs
([#12315](https://github.com/astral-sh/uv/pull/12315))
- Fix `--directory` path in examples ([#12165](https://github.com/astral-sh/uv/pull/12165))
### Preview changes
- Automatically infer the PyTorch index via `--torch-backend=auto`
([#12070](https://github.com/astral-sh/uv/pull/12070))
## 0.6.10
### Enhancements
- Add `uv sync --check` flag ([#12342](https://github.com/astral-sh/uv/pull/12342))
- Add support for Python version requests in `uv python list`
([#12375](https://github.com/astral-sh/uv/pull/12375))
- Support `.env` files in `uv tool run` ([#12386](https://github.com/astral-sh/uv/pull/12386))
- Support `python find --script` ([#11891](https://github.com/astral-sh/uv/pull/11891))
### Preview features
- Check all compatible torch indexes when `--torch-backend` is enabled
([#12385](https://github.com/astral-sh/uv/pull/12385))
### Performance
- Use a boxed slice for extras and groups ([#12391](https://github.com/astral-sh/uv/pull/12391))
- Use small string for index name type ([#12355](https://github.com/astral-sh/uv/pull/12355))
### Bug fixes
- Allow virtual packages with `--no-build` ([#12314](https://github.com/astral-sh/uv/pull/12314))
- Ignore `--find-links` entries for pinned indexes
([#12396](https://github.com/astral-sh/uv/pull/12396))
- Omit wheels from lockfile based on `--exclude-newer`
([#12299](https://github.com/astral-sh/uv/pull/12299))
- Retain end-of-line comment position when adding dependency
([#12360](https://github.com/astral-sh/uv/pull/12360))
- Omit fragment when querying for wheels in Simple HTML API
([#12384](https://github.com/astral-sh/uv/pull/12384))
- Error on missing argument in `requirements.txt`
([#12354](https://github.com/astral-sh/uv/pull/12354))
- Support modules with different casing in build backend
([#12240](https://github.com/astral-sh/uv/pull/12240))
- Add authentication policy support for `pip` commands
([#12470](https://github.com/astral-sh/uv/pull/12470))
## 0.6.11
### Enhancements
- Add dependents ("via ..." comments) in `uv export` command
([#12350](https://github.com/astral-sh/uv/pull/12350))
- Bump least-recent non-EOL macOS version to 13.0
([#12518](https://github.com/astral-sh/uv/pull/12518))
- Support `--find-links`-style "flat" indexes in `[[tool.uv.index]]`
([#12407](https://github.com/astral-sh/uv/pull/12407))
- Distinguish between `-q` and `-qq` ([#12300](https://github.com/astral-sh/uv/pull/12300))
### Configuration
- Support `UV_PROJECT` environment to set project directory.
([#12327](https://github.com/astral-sh/uv/pull/12327))
### Performance
- Use a boxed slice for various requirement types
([#12514](https://github.com/astral-sh/uv/pull/12514))
### Bug fixes
- Add a newline after metadata when initializing scripts with other metadata blocks
([#12501](https://github.com/astral-sh/uv/pull/12501))
- Avoid writing empty `requires-python` to script blocks
([#12517](https://github.com/astral-sh/uv/pull/12517))
- Respect build constraints in `uv sync` ([#12502](https://github.com/astral-sh/uv/pull/12502))
- Respect transitive dependencies in `uv tree --only-group`
([#12560](https://github.com/astral-sh/uv/pull/12560))
## 0.6.12
### Enhancements
- Report the queried executable path in `uv python list`
([#12628](https://github.com/astral-sh/uv/pull/12628))
- Improve archive unpack error messages ([#12627](https://github.com/astral-sh/uv/pull/12627))
### Bug fixes
- Respect `authenticate` when using `explicit = true`
([#12631](https://github.com/astral-sh/uv/pull/12631))
- Normalize extra and group names in `uv add` and `uv remove`
([#12586](https://github.com/astral-sh/uv/pull/12586))
- Enforce CRC-32 checks when unpacking archives
([#12623](https://github.com/astral-sh/uv/pull/12623))
- Fix parsing of `python-platform` in settings files
([#12592](https://github.com/astral-sh/uv/pull/12592))
### Documentation
- Add note about `uv build` to `package = false`
([#12608](https://github.com/astral-sh/uv/pull/12608))
- Add index fallback note to `authenticate = always` documentation
([#12498](https://github.com/astral-sh/uv/pull/12498))
- Fix invalid 'kind' reference in flat index docs
([#12583](https://github.com/astral-sh/uv/pull/12583))
## 0.6.13
### Enhancements
- Add `--show-version` to `uv python find` ([#12376](https://github.com/astral-sh/uv/pull/12376))
- Remove `--no-config` warning from `uv pip compile` and `uv pip sync`
([#12642](https://github.com/astral-sh/uv/pull/12642))
- Skip repeated directories in `PATH` when searching for Python interpreters
([#12367](https://github.com/astral-sh/uv/pull/12367))
- Unset `SCRIPT_PATH` in relocatable activation script
([#12672](https://github.com/astral-sh/uv/pull/12672))
- Add `UV_PYTHON_DOWNLOADS_JSON_URL` to set custom managed python sources
([#10939](https://github.com/astral-sh/uv/pull/10939))
- Reject `pyproject.toml` files in `uv pip compile -o`
([#12673](https://github.com/astral-sh/uv/pull/12673))
- Respect the `--offline` flag for Git operations
([#12619](https://github.com/astral-sh/uv/pull/12619))
### Bug fixes
- Warn instead of error if CRC appears to be missing
([#12722](https://github.com/astral-sh/uv/pull/12722))
- Avoid infinite loop in `uv export` with conflicts
([#12726](https://github.com/astral-sh/uv/pull/12726))
### Rust API
- Update MSRV to 1.84 ([#12670](https://github.com/astral-sh/uv/pull/12670))
## 0.6.14
### Python versions
The following Python versions have been added:
- CPython 3.13.3
- CPython 3.12.10
- CPython 3.11.12
- CPython 3.10.17
- CPython 3.9.22
See the
[`python-build-standalone` release notes](https://github.com/astral-sh/python-build-standalone/releases/tag/20250409)
for more details.
### Enhancements
- Add `uv-build` and `uv_build` aliases to `uv init --build-backend`
([#12776](https://github.com/astral-sh/uv/pull/12776))
- Emit dedicated error message for Conda `environment.yml` files
([#12669](https://github.com/astral-sh/uv/pull/12669))
### Preview features
- Build backend: Check module dir exists for sdist build
([#12779](https://github.com/astral-sh/uv/pull/12779))
- Build backend: Fix sdist with long directories
([#12764](https://github.com/astral-sh/uv/pull/12764))
### Performance
- Avoid querying GitHub on repeated install invocations
([#12767](https://github.com/astral-sh/uv/pull/12767))
### Bug fixes
- Error when `tool.uv.sources` is set in system-level configuration file
([#12757](https://github.com/astral-sh/uv/pull/12757))
- Split workspace members onto their own lines in `uv init`
([#12756](https://github.com/astral-sh/uv/pull/12756))
### Documentation
- Add lockfile note about PEP 751 ([#12732](https://github.com/astral-sh/uv/pull/12732))
- Extend the reference documentation for `uv pip sync`
([#12683](https://github.com/astral-sh/uv/pull/12683))
- Fix mismatched pip interface header / nav titles
([#12640](https://github.com/astral-sh/uv/pull/12640))
## 0.6.15
This release includes preliminary support for the `pylock.toml` file format, as standardized in
[PEP 751](https://peps.python.org/pep-0751/). `pylock.toml` is an alternative resolution output
format intended to replace `requirements.txt` (e.g., in the context of `uv pip compile`, whereby a
"locked" `requirements.txt` file is generated from a set of input requirements). `pylock.toml` is
standardized and tool-agnostic, such that in the future, `pylock.toml` files generated by uv could
be installed by other tools, and vice versa.
As of this release, `pylock.toml` is supported in the following commands:
- To export a `uv.lock` to the `pylock.toml` format, run: `uv export -o pylock.toml`
- To generate a `pylock.toml` file from a set of requirements, run:
`uv pip compile -o pylock.toml requirements.in`
- To install from a `pylock.toml` file, run: `uv pip sync pylock.toml` or
`uv pip install -r pylock.toml`
### Enhancements
- Add PEP 751 support to `uv pip compile` ([#13019](https://github.com/astral-sh/uv/pull/13019))
- Add `uv export` support for PEP 751 ([#12955](https://github.com/astral-sh/uv/pull/12955))
- Accept `requirements.txt` (verbatim) as a format on the CLI
([#12957](https://github.com/astral-sh/uv/pull/12957))
- Add `UV_NO_EDITABLE` environment variable to set `--no-editable` on all invocations
([#12773](https://github.com/astral-sh/uv/pull/12773))
- Add `pylock.toml` to `uv pip install` and `uv pip sync`
([#12992](https://github.com/astral-sh/uv/pull/12992))
- Add a brief sleep before sending `SIGINT` to child processes
([#13018](https://github.com/astral-sh/uv/pull/13018))
- Add upload time to `uv.lock` ([#12968](https://github.com/astral-sh/uv/pull/12968))
- Allow updating Git sources by name ([#12897](https://github.com/astral-sh/uv/pull/12897))
- Cache `which git` in `uv init` ([#12893](https://github.com/astral-sh/uv/pull/12893))
- Enable `--dry-run` with `--locked` / `--frozen` for `uv sync`
([#12778](https://github.com/astral-sh/uv/pull/12778))
- Infer output type in `uv export` ([#12958](https://github.com/astral-sh/uv/pull/12958))
- Make `uv init` resilient against broken git ([#12895](https://github.com/astral-sh/uv/pull/12895))
- Respect build constraints for `uv run --with` dependencies
([#12882](https://github.com/astral-sh/uv/pull/12882))
- Split UV_INDEX on all whitespace ([#12820](https://github.com/astral-sh/uv/pull/12820))
- Support build constraints in `uv tool` and PEP723 scripts.
([#12842](https://github.com/astral-sh/uv/pull/12842))
- Use suffix from `uvx` binary when searching for uv binary
([#12923](https://github.com/astral-sh/uv/pull/12923))
- Update version formatting to use cyan color ([#12943](https://github.com/astral-sh/uv/pull/12943))
- Add debug logs for version file search ([#12951](https://github.com/astral-sh/uv/pull/12951))
- Fix `SourceNotAllowed` error message during Python discovery
([#13012](https://github.com/astral-sh/uv/pull/13012))
- Obfuscate password in credentials debug messages
([#12944](https://github.com/astral-sh/uv/pull/12944))
- Obfuscate possible tokens in URL logs ([#12969](https://github.com/astral-sh/uv/pull/12969))
- Validate that PEP 751 entries don't include multiple sources
([#12993](https://github.com/astral-sh/uv/pull/12993))
### Preview features
- Build backend: Add reference docs and schema
([#12803](https://github.com/astral-sh/uv/pull/12803))
### Bug fixes
- Align supported `config-settings` with example in docs
([#12947](https://github.com/astral-sh/uv/pull/12947))
- Ensure virtual environment is compatible with interpreter on sync
([#12884](https://github.com/astral-sh/uv/pull/12884))
- Fix `PythonDownloadRequest` parsing for partial keys
([#12925](https://github.com/astral-sh/uv/pull/12925))
- Fix pre-release exclusive comparison operator in `uv-pep440`
([#12836](https://github.com/astral-sh/uv/pull/12836))
- Forward additional signals to the child process in `uv run`
([#13017](https://github.com/astral-sh/uv/pull/13017))
- Omit PEP 751 version for source trees ([#13030](https://github.com/astral-sh/uv/pull/13030))
- Patch `CC` and `CCX` entries in sysconfig for cross-compiled `aarch64` Python distributions
([#12239](https://github.com/astral-sh/uv/pull/12239))
- Properly handle authentication for HTTP 302 redirect URLs
([#12920](https://github.com/astral-sh/uv/pull/12920))
- Set 4MB stack size for all threads, introduce `UV_STACK_SIZE`
([#12839](https://github.com/astral-sh/uv/pull/12839))
- Show PyPy downloads during `uv python list` ([#12915](https://github.com/astral-sh/uv/pull/12915))
- Add `subdirectory` to Direct URL for local directories
([#12971](https://github.com/astral-sh/uv/pull/12971))
- Prefer stable releases over pre-releases in `uv python install`
([#12194](https://github.com/astral-sh/uv/pull/12194))
- Write requested Python variant to pin file in `uv init`
([#12870](https://github.com/astral-sh/uv/pull/12870))
### Documentation
- Fix CLI reference with code block ([#12807](https://github.com/astral-sh/uv/pull/12807))
- Fix lockfile note ([#12793](https://github.com/astral-sh/uv/pull/12793))
- Fix typo in a reference ([#12858](https://github.com/astral-sh/uv/pull/12858))
- Improve docs for `uv python list --only-downloads` and `--only-installed`
([#12916](https://github.com/astral-sh/uv/pull/12916))
- Update note on lack of musl distributions to ARM-only
([#12825](https://github.com/astral-sh/uv/pull/12825))
- Add section on shebangs for scripts ([#11553](https://github.com/astral-sh/uv/pull/11553))
- Display aliases for long and short args in the CLI reference
([#12824](https://github.com/astral-sh/uv/pull/12824))
- Fix highlight line in explicit index documentation
([#12887](https://github.com/astral-sh/uv/pull/12887))
- Add explicit source (matching PyTorch guide)
([#12844](https://github.com/astral-sh/uv/pull/12844))
- Fix link to issue ([#12823](https://github.com/astral-sh/uv/pull/12823))
- Fix grammatical error in FastAPI guide ([#12908](https://github.com/astral-sh/uv/pull/12908))
- Add `--locked` to `uv sync` in GitHub Actions guide
([#12819](https://github.com/astral-sh/uv/pull/12819))
- Improve formatting for `"all"` `default-groups` setting documentation
([#12963](https://github.com/astral-sh/uv/pull/12963))
- Replace `--frozen` with `--locked` in Docker integration guide
([#12818](https://github.com/astral-sh/uv/pull/12818))
## 0.6.16
### Bug fixes
- Revert "Properly handle authentication for 302 redirect URLs"
([#13041](https://github.com/astral-sh/uv/pull/13041))
## 0.6.17
### Preview features
- Add PyTorch v2.7.0 to GPU backend ([#13072](https://github.com/astral-sh/uv/pull/13072))
### Bug fixes
- Avoid panic for invalid Python versions ([#13077](https://github.com/astral-sh/uv/pull/13077))
- Block scripts from overwriting `python` ([#13051](https://github.com/astral-sh/uv/pull/13051))
- Check distribution names to handle invalid redirects
([#12917](https://github.com/astral-sh/uv/pull/12917))
- Check for mismatched package and distribution names on resolver thread
([#13088](https://github.com/astral-sh/uv/pull/13088))
- Fix panic with invalid last character in PEP 508 name
([#13105](https://github.com/astral-sh/uv/pull/13105))
- Reject `requires-python` even if not listed on the index page
([#13086](https://github.com/astral-sh/uv/pull/13086))
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