Update changelog for 1.49

CHANGELOG.md

@@ -1,11 +1,42 @@
 # Changelog
 
+## Cargo 1.50 (2021-02-11)
+[8662ab42...HEAD](https://github.com/rust-lang/cargo/compare/8662ab42...HEAD)
+
+### Added
+- Added the `doc` field to `cargo metadata`, which indicates if a target is
+  documented.
+  [#8869](https://github.com/rust-lang/cargo/pull/8869)
+
+### Changed
+- `.crate` files uploaded to a registry are now built with reproducible
+  settings, so that the same `.crate` file created on different machines
+  should be identical.
+  [#8864](https://github.com/rust-lang/cargo/pull/8864)
+
+### Fixed
+
+### Nightly only
+- Allow `resolver="1"` to specify the original feature resolution behavior.
+  [#8857](https://github.com/rust-lang/cargo/pull/8857)
+- Added `-Z extra-link-arg` which adds the `cargo:rustc-link-arg-bins`
+  and `cargo:rustc-link-arg` build script options.
+  [docs](https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#extra-link-arg)
+  [#8441](https://github.com/rust-lang/cargo/pull/8441)
+
 ## Cargo 1.49 (2020-12-31)
-[75615f8e...HEAD](https://github.com/rust-lang/cargo/compare/75615f8e...HEAD)
+[75615f8e...rust-1.49.0](https://github.com/rust-lang/cargo/compare/75615f8e...rust-1.49.0)
 
 ### Added
 - Added `homepage` and `documentation` fields to `cargo metadata`.
   [#8744](https://github.com/rust-lang/cargo/pull/8744)
+- Added the `CARGO_PRIMARY_PACKAGE` environment variable which is set when
+  running `rustc` if the package is one of the "root" packages selected on the
+  command line.
+  [#8758](https://github.com/rust-lang/cargo/pull/8758)
+- Added support for Unix-style glob patterns for package and target selection
+  flags on the command-line (such as `-p 'serde*'` or `--test '*'`).
+  [#8752](https://github.com/rust-lang/cargo/pull/8752)
 
 ### Changed
 - Computed LTO flags are now included in the filename metadata hash so that
@@ -13,13 +44,43 @@
   overwriting previous ones. This prevents rebuilds in some situations such as
   switching between `cargo build` and `cargo test` in some circumstances.
   [#8755](https://github.com/rust-lang/cargo/pull/8755)
+- `cargo tree` now displays `(proc-macro)` next to proc-macro packages.
+  [#8765](https://github.com/rust-lang/cargo/pull/8765)
+- Added a warning that the allowed characters for a feature name have been
+  restricted to letters, digits, `_`, `-`, and `+` to accommodate future
+  syntax changes. This is still a superset of the allowed syntax on crates.io,
+  which requires ASCII. This is intended to be changed to an error in the
+  future.
+  [#8814](https://github.com/rust-lang/cargo/pull/8814)
+- `-p` without a value will now print a list of workspace package names.
+  [#8808](https://github.com/rust-lang/cargo/pull/8808)
 
 ### Fixed
 - Fixed building a library with both "dylib" and "rlib" crate types with LTO enabled.
   [#8754](https://github.com/rust-lang/cargo/pull/8754)
+- Fixed paths in Cargo's dep-info files.
+  [#8819](https://github.com/rust-lang/cargo/pull/8819)
+- Fixed inconsistent source IDs in `cargo metadata` for git dependencies that
+  explicitly specify `branch="master"`.
+  [#8824](https://github.com/rust-lang/cargo/pull/8824)
+- Fixed re-extracting dependencies which contained a `.cargo-ok` file.
+  [#8835](https://github.com/rust-lang/cargo/pull/8835)
 
 ### Nightly only
-
+- Fixed a panic with `cargo doc -Zfeatures=itarget` in some situations.
+  [#8777](https://github.com/rust-lang/cargo/pull/8777)
+- New implementation for namespaced features, using the syntax `dep:serde`.
+  [docs](https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#namespaced-features)
+  [#8799](https://github.com/rust-lang/cargo/pull/8799)
+- Added support for "weak" dependency features, using the syntax
+  `dep_name?/feat_name`, which will enable a feature for a dependency without
+  also enabling the dependency.
+  [#8818](https://github.com/rust-lang/cargo/pull/8818)
+- Fixed the new feature resolver downloading extra dependencies that weren't
+  strictly necessary.
+  [#8823](https://github.com/rust-lang/cargo/pull/8823)
+- Vendored builds now work with `-Zbuild-std`.
+  [#8834](https://github.com/rust-lang/cargo/pull/8834)
 
 ## Cargo 1.48 (2020-11-19)
 [51b66125...rust-1.48.0](https://github.com/rust-lang/cargo/compare/51b66125...rust-1.48.0)
@@ -52,6 +113,9 @@
 - Automatically reinitialize the index when an "Object not found" error is
   encountered in the git repository.
   [#8735](https://github.com/rust-lang/cargo/pull/8735)
+- Updated libgit2, which brings in several fixes for git repository handling.
+  [#8778](https://github.com/rust-lang/cargo/pull/8778)
+  [#8780](https://github.com/rust-lang/cargo/pull/8780)
 
 ### Nightly only
 - Fixed `cargo install` so that it will ignore the `[unstable]` table in local config files.