Prep for 2.10.0.dev2

Internal changes:

* upgrade to Rust v1.58.0 ([#14174](#14174))

* [internal] fix typos in codegen registration ([#14172](#14172))

* Pulls `Coordinate` and `ArtifactRequirements` out into a separate file to avoid a circuilar import later ([#14164](#14164))

* Factors lockfile metadata code into class that supports multiple languages as well as versions ([#14116](#14116))

* Adds `.env` file to make vscode auto-imports work correctly out of the box ([#14130](#14130))

* [internal] Rename classes for `generate_lockfiles.py` for clarity ([#14218](#14218))

* [internal] Fix bad Find+Replace ([#14213](#14213))

* [internal] Bump libc from 0.2.106 to 0.2.112 in /src/rust/engine ([#14206](#14206))

* [internal] Bump tempfile from 3.2.0 to 3.3.0 in /src/rust/engine ([#14202](#14202))

* [internal] Bump criterion from 0.3.3 to 0.3.5 in /src/rust/engine ([#14205](#14205))

* [internal] Bump walkdir from 2.3.1 to 2.3.2 in /src/rust/engine ([#14204](#14204))

* [internal] Bump generic-array from 0.14.4 to 0.14.5 in /src/rust/engine ([#14203](#14203))

* [internal] Remove the minimum bucket size of batching to improve stability. ([#14210](#14210))

* [internal] Make `JvmLockfileRequest` generic ([#14201](#14201))

* [internal] add comment re clippy issue ([#14188](#14188))

* [internal] rename some codegen scopes to put language first ([#14187](#14187))

* [internal] Check for ambiguity when running `generate-lockfiles` ([#14178](#14178))

* [internal] Change JVM lockfile format ([#14175](#14175))

* [internal] go: rewrite third party package analysis to not use `go list` ([#14157](#14157))

* [internal] Hotfix `fmt` crashing on non-formattable targets ([#14168](#14168))

* [internal] Simplify `core/goals/package.py` filesystem API usage ([#14162](#14162))

* [internal] java/thrift: register union that was not registered ([#14159](#14159))

* [internal] Bump arc-swap from 1.3.0 to 1.5.0 in /src/rust/engine ([#14148](#14148))

* [internals] Bump tokio-rustls from 0.22.0 to 0.23.2 in /src/rust/engine ([#14149](#14149))

* [internal] Bump num_cpus from 1.13.0 to 1.13.1 in /src/rust/engine ([#14150](#14150))

* [internal] Bump tokio-util from 0.6.7 to 0.6.9 in /src/rust/engine ([#14151](#14151))

* [internal] Bump os_pipe from 0.9.2 to 1.0.0 in /src/rust/engine ([#14152](#14152))

* [internal] Introduce new `BuiltinGoal` subsystem type. ([#13991](#13991))

* [internal] Upgrade python type stubs packages ([#14143](#14143))

* [internal] Bump strum_macros from 0.20.1 to 0.23.1 in /src/rust/engine ([#14141](#14141))

* [internal] Make `generate-lockfiles` goal generic ([#14122](#14122))

* [internal] Bump errno from 0.2.7 to 0.2.8 in /src/rust/engine ([#14137](#14137))

* [internal] Bump colored from 1.9.3 to 2.0.0 in /src/rust/engine ([#14138](#14138))

* [internal] Bump crossbeam-channel from 0.4.4 to 0.5.0 in /src/rust/engine ([#14139](#14139))

* [internal] Bump reqwest from 0.11.4 to 0.11.9 in /src/rust/engine ([#14135](#14135))

* [internal] Further tweak dependabot config ([#14132](#14132))

* [internal] python: use immutable_input_digests for protobuf codegen ([#13885](#13885))

* [internal] python: use immutable_input_digests for protobuf codegen ([#13885](#13885))

* [internal] No need for two f-strings/two strings. ([#14119](#14119))

* `LockfileMetadata` - Replace flaky `_header_dict()` mechanism with more robust `header_attrs` mechanism ([#14229](#14229))

src/python/pants/VERSION

@@ -1 +1 @@
-2.10.0.dev1
+2.10.0.dev2

src/python/pants/notes/2.10.x.md

@@ -1,5 +1,69 @@
 # 2.10.x Release Series
 
+## 2.10.0.dev2 (Jan 22, 2022)
+
+### New Features
+
+* JVM lockfile invalidation headers and verification ([#14185](https://github.com/pantsbuild/pants/pull/14185))
+
+* Add new `api-types` help goal ([#14081](https://github.com/pantsbuild/pants/pull/14081))
+
+* Add line numbers to `--unowned-dependency-behavior` errors ([#14169](https://github.com/pantsbuild/pants/pull/14169))
+
+* Add Flake8 first-party plugin support ([#14027](https://github.com/pantsbuild/pants/pull/14027))
+
+* add runtime dependencies field for Apache Thrift for Python ([#14158](https://github.com/pantsbuild/pants/pull/14158))
+
+* Add `#pants: no-infer-dep` pragma for ignoring imports ([#14059](https://github.com/pantsbuild/pants/pull/14059) and [#14225](https://github.com/pantsbuild/pants/pull/14225))
+
+* Add local `.pants.rc` support ([#14142](https://github.com/pantsbuild/pants/pull/14142))
+
+* thrift: add scrooge java backend ([#14043](https://github.com/pantsbuild/pants/pull/14043))
+
+* add Avro codegen support for Java ([#13990](https://github.com/pantsbuild/pants/pull/13990))
+
+### User API Changes
+
+* add timeout for remote cache lookups ([#14224](https://github.com/pantsbuild/pants/pull/14224))
+
+* Replace `coursier-resolve` goal with `generate-lockfiles` ([#14211](https://github.com/pantsbuild/pants/pull/14211))
+
+* Replace `jvm-generate-lockfiles` goal with `generate-lockfiles` ([#14176](https://github.com/pantsbuild/pants/pull/14176))
+
+* Deprecate `sourcefile-validation` in favor of `regex-lint` ([#14173](https://github.com/pantsbuild/pants/pull/14173))
+
+* Deprecate `python_requirements` and `poetry_requirements` using old macro in favor of target generation ([#14075](https://github.com/pantsbuild/pants/pull/14075))
+
+* Add try/except parsing to import_parser to avoid failing strict checks for optional imports ([#14216](https://github.com/pantsbuild/pants/pull/14216))
+
+* Don't error on string imports with `[python-infer].unowned_dependency_behavior` ([#14179](https://github.com/pantsbuild/pants/pull/14179))
+
+### Plugin API Changes
+
+* Remove per-language indirection for formatter plugins. ([#14166](https://github.com/pantsbuild/pants/pull/14166))
+
+### Bug fixes
+
+* Fix complex `__import__` statements failing to parse with Python 2.7 - 3.7 ([#14232](https://github.com/pantsbuild/pants/pull/14232))
+
+* `LockfileMetadata` - Replace flaky `_header_dict()` mechanism with more robust `header_attrs` mechanism ([#14229](https://github.com/pantsbuild/pants/pull/14229))
+
+* More accurate reported runtime when `pantsd` is in use. ([#14177](https://github.com/pantsbuild/pants/pull/14177))
+
+* Fix Pylint to run on transitive dependencies to avoid underreporting issues ([#13918](https://github.com/pantsbuild/pants/pull/13918))
+
+* [Docker] Fix bug when a putative target address did not exist. ([#14125](https://github.com/pantsbuild/pants/pull/14125))
+
+* Fix immutable inputs DCL bug. ([#14016](https://github.com/pantsbuild/pants/pull/14016))
+
+### Performance
+
+* Batching of `lint` and `fmt` invokes ([#14186](https://github.com/pantsbuild/pants/pull/14186))
+
+### Documentation
+
+* [Doc] Include backend source for goals, subsystems and targets in generated docsite. ([#14126](https://github.com/pantsbuild/pants/pull/14126))
+
 ## 2.10.0.dev1 (Jan 07, 2022)
 
 ### New Features