Describe V9 branches and PRs (#1453)

* Add new init-accessors

Also, reformat the table for future updates to V9 features.

* New PR for toplevel statements

Port changes to new feature branch.

* Add notes for nint

* Update for records

* Add new PR for function pointers

* Add new patterns PR

* feature branch for static anonymous functions

* more new PRs

* update all branches for v9

Update branches and PRs for the V9 admin tracker

* Apply suggestions from code review

Correct 2 PR links

---------

Co-authored-by: Rex Jaeschke <rex@RexJaeschke.com>

Author: BillWagner

admin/v9-feature-tracker.md

@@ -8,26 +8,28 @@ Rex started with a set of [MS proposals](https://github.com/dotnet/csharplang/tr
 
 [Any work done by Rex that has not yet been turned into a Draft PR is stored in a Dropbox folder to which Bill, Mads, and Jon have access.]
 
-Feature | PR | Status | Effort | Annotation | Notes
-------- | -- | ------ | ------ | ---------- | ------
-Init accessors ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/init.md))         | [978](https://github.com/dotnet/csharpstandard/pull/978) | SPEC'D | medium | Done | 
-Top-level statements ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/top-level-statements.md))	| [980](https://github.com/dotnet/csharpstandard/pull/980) | SPEC'D |  small | Done | 
-Native sized integers ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/native-integers.md))	| [1060](https://github.com/dotnet/csharpstandard/pull/1060) | SPEC'D | medium | Done |
-Records ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/records.md))	| [983](https://github.com/dotnet/csharpstandard/pull/983) | SPEC'D | large | Done | See open issues in the PR intro
-Function pointers ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/function-pointers.md))	| [984](https://github.com/dotnet/csharpstandard/pull/984) | SPEC'D | large | Done | See open issues in the PR intro
-Pattern matching enhancements ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/patterns3.md))	| [1026](https://github.com/dotnet/csharpstandard/pull/1026) | SPEC'D | medium | Done | Might need tweaking after V8 pattern-matching additions merged + open issues addressed
+Feature | PR | Branch | Status | Effort | Annotation | Notes
+------- | -- | ------ | ------ | ------ | ---------- | ------
+Init accessors ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/init.md))         | [#1452](https://github.com/dotnet/csharpstandard/pull/1452) | `v9-init-accessors` | SPEC'D | medium | Done. See review notes in [#978](https://github.com/dotnet/csharpstandard/pull/978) | 
+
+Top-level statements ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/top-level-statements.md))	| [#1454](https://github.com/dotnet/csharpstandard/pull/1454) | `v9-top-level-statements` | SPEC'D |  small | Done | 
+Native sized integers ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/native-integers.md))	| [#1457](https://github.com/dotnet/csharpstandard/pull/1457) | `v9-native-sized-integers`  | SPEC'D | medium | Done. See review notes in [#1060](https://github.com/dotnet/csharpstandard/pull/1060) |
+Records ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/records.md))	| [#1458](https://github.com/dotnet/csharpstandard/pull/1458)  | `v9-records` | SPEC'D | large | Done | See open issues in the PR intro
+Function pointers ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/function-pointers.md))	| [#1459](https://github.com/dotnet/csharpstandard/pull/1459)  |`v9-function-pointers` | SPEC'D | large | Done | See open issues in the PR intro
+Pattern matching enhancements ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/patterns3.md))	| [#1460](https://github.com/dotnet/csharpstandard/pull/1460)  | `v9-patterns` | SPEC'D | medium | Done | Might need tweaking after V8 pattern-matching additions merged + open issues addressed
 Suppress emitting localsinit flag ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/skip-localsinit.md))	| | N/A | | | **This is a compiler feature and not a language feature**
-static anonymous functions ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/static-anonymous-functions.md))	| [988](https://github.com/dotnet/csharpstandard/pull/988) | SPEC'D | small | N/A |
-Target-typed conditional expressions ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/target-typed-conditional-expression.md))	| [1071](https://github.com/dotnet/csharpstandard/pull/1071)| SPEC'D | small | N/A |
-Covariant return types ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/covariant-returns.md))	| | partially SPEC'D |  small | | waiting on adoption of V8 "impl. in interfaces"
-Extension GetEnumerator support for foreach loops ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/extension-getenumerator.md))	| [989](https://github.com/dotnet/csharpstandard/pull/989)| SPEC'D | small | N/A | 
-Lambda discard parameters ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/lambda-discard-parameters.md))	| [995](https://github.com/dotnet/csharpstandard/pull/995) | SPEC'D | small | N/A | 
-Attributes and extern on local functions ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/local-function-attributes.md))	| [994](https://github.com/dotnet/csharpstandard/pull/994)| SPEC'D | small | Done | 
-Module initializers ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/module-initializers.md))	| [992](https://github.com/dotnet/csharpstandard/pull/992)| SPEC'D | small | Done |
-New features for partial methods ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/extending-partial-methods.md))	| [991](https://github.com/dotnet/csharpstandard/pull/991) | SPEC'D | small | Done | 
-Target-typed new expressions ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/target-typed-new.md))	| [990](https://github.com/dotnet/csharpstandard/pull/990) | SPEC'D | small | N/A |
-Unconstrained type parameter annotations ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/unconstrained-type-parameter-annotations.md))	| [1326](https://github.com/dotnet/csharpstandard/pull/1326) | SPEC'D | small | N/A | 
-Variance safety for static interface members ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/variance-safety-for-static-interface-members.md))	| [1343](https://github.com/dotnet/csharpstandard/pull/1343) | SPEC'D | small | N/A | 
-Nullable reference types ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/nullable-reference-types-specification.md))	| [1221](https://github.com/dotnet/csharpstandard/pull/1221)| SPEC'D | small | Done | The `default` constraint part is handled by PR #[1326](https://github.com/dotnet/csharpstandard/pull/1326)
-Nullable constructor analysis ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/nullable-constructor-analysis.md))	| None | | | | Contains implementation details only; no spec changes necessary
-Nullable parameter default value analysis ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/nullable-parameter-default-value-analysis.md))	| None | | | | Contains implementation details only; no spec changes necessary
+static anonymous functions ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/static-anonymous-functions.md))	| [#1461](https://github.com/dotnet/csharpstandard/pull/1461)  | `v9-static-anonymous-functions`| SPEC'D | small | N/A |
+Target-typed conditional expressions ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/target-typed-conditional-expression.md))	| [#1465](https://github.com/dotnet/csharpstandard/pull/1465)  | `v9-target-typed-conditional-expression` | SPEC'D | small | N/A |
+Covariant return types ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/covariant-returns.md))	| [#1462](https://github.com/dotnet/csharpstandard/pull/1462) | `v9-covariant-return-types` | partially SPEC'D |  small | | waiting on adoption of V8 "impl. in interfaces"
+Extension GetEnumerator support for foreach loops ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/extension-getenumerator.md))	| [#1463](https://github.com/dotnet/csharpstandard/pull/1463) | `v9-extension-foreach` | SPEC'D | small | N/A | 
+Lambda discard parameters ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/lambda-discard-parameters.md))	| [#1464](https://github.com/dotnet/csharpstandard/pull/1464)  | `v9-lambda-discards` | SPEC'D | small | N/A | 
+Attributes and extern on local functions ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/local-function-attributes.md))	| [#1466](https://github.com/dotnet/csharpstandard/pull/9914664) | `v9-attribute-locations` | SPEC'D | small | Done | 
+Module initializers ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/module-initializers.md))	| [#1467](https://github.com/dotnet/csharpstandard/pull/1467)| | `v9-module-initializers` | SPEC'D | small | Done |
+
+New features for partial methods ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/extending-partial-methods.md))	| [#1468](https://github.com/dotnet/csharpstandard/pull/1468)  | `v9-more-partial-methods` | SPEC'D | small | Done | 
+Target-typed new expressions ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/target-typed-new.md))	| [#1469](https://github.com/dotnet/csharpstandard/pull/1469) | `v9-target-typed-new`  | SPEC'D | small | N/A |
+Unconstrained type parameter annotations ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/unconstrained-type-parameter-annotations.md))	| [#1470](https://github.com/dotnet/csharpstandard/pull/1470) | `v9-unconstrained-type-parameters`  | SPEC'D | small | N/A | 
+Variance safety for static interface members ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/variance-safety-for-static-interface-members.md))	| [#1471](https://github.com/dotnet/csharpstandard/pull/1471) | `v9-static-interface-variance-safetys`  | SPEC'D | small | N/A | 
+Nullable reference types ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/nullable-reference-types-specification.md))	| [#1221](https://github.com/dotnet/csharpstandard/pull/1221) | `add-v9-nullable-attributes` | SPEC'D | small | Done | The `default` constraint part is handled by PR #[1326](https://github.com/dotnet/csharpstandard/pull/1326)
+Nullable constructor analysis ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/nullable-constructor-analysis.md))	| None | | | | | | Contains implementation details only; no spec changes necessary
+Nullable parameter default value analysis ([MS Proposal](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/nullable-parameter-default-value-analysis.md))	| None | | | | | | Contains implementation details only; no spec changes necessary