CHANGELOG: Add analyzer entries; organize

Change-Id: I11f340704b2e393c53c611f52accadea6d665dea
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/419241
Reviewed-by: Phil Quitslund <pquitslund@google.com>
Commit-Queue: Samuel Rawlins <srawlins@google.com>

CHANGELOG.md

@@ -29,23 +29,13 @@
 
 #### Analyzer
 
-- Add the experimental [`unnecessary_ignore`][] lint rule.
-- Offer additional assist to wrap a Flutter widget with a `FutureBuilder` widget.
-- Add a quick assist for Wrap with ValueListenableBuilder.
-- The quick fix that adds names to a 'show' combinator or removes names from a
-  'hide' combinator can now add or remove multiple names simultaneously, in
-  order to resolve as many "undefined" errors as possible.
-- Renaming a closure parameter is now possible, and will adjust implicit 'this'
-  references in order to avoid name collisions.
-- Renaming a field now adjusts implicit 'this' references in order to avoid
-  name collisions.
-- The "encapsulate field" quick assist now works on final fields.
-- The "inline method" refactoring now properly handles inner closures.
 - Code completion is improved to offer more valid suggestions. In particular,
   the suggestions are improved when completing text in a comment reference on a
   documentation comment for an extension, a typedef, or a directive (an import,
   an export, or a library). Additionally, instance members can now be suggested
   in a documentation comment reference.
+- Offer additional assist to wrap a Flutter widget with a `FutureBuilder` widget.
+- Add a quick assist to wrap with `ValueListenableBuilder`.
 - Add a quick fix to convert an (illegal) extension field declaration into a
   getter declaration.
 - Add a quick fix to help code comply with a few lint rules that encourage
@@ -53,9 +43,17 @@
   `omit_obvious_local_variable_types`, and `omit_obvious_property_types`.
 - Add a quick fix to create an extension method to resolve an "undefined method
   invocation" error.
+- Renaming a closure parameter is now possible.
+- Renaming a field now adjusts implicit 'this' references in order to avoid
+  name collisions.
 - Renaming a field formal parameter now properly renames known super-parameters
   in subclasses in other libraries.
 - Renaming a method parameter now properly renames across the type hierarchy.
+- The "encapsulate field" quick assist now works on final fields.
+- The "inline method" refactoring now properly handles inner closures.
+- The quick fix that adds names to a `show` combinator or removes names from a
+  'hide' combinator can now add or remove multiple names simultaneously, in
+  order to resolve as many "undefined" errors as possible.
 - The "remove const" quick fix now operates on more types of code.
 - The "add missing required argument" quick fix can now add multiple missing
   required arguments.
@@ -63,6 +61,13 @@
   'show' or 'hide' combinators, which are never necessary.
 - Add a quick fix for this warning.
 - Add LSP document links for lint rules in analysis options files.
+- Add LSP document links for dependency packages in pubspec files.
+- Fix various issues around patterns, like highlighting, navigation, and
+  autocompletion.
+- Add the experimental [`unnecessary_ignore`][] lint rule.
+- Add the [`switch_on_runtimetype`][] lint rule that reports when a switch
+  statement or switch expression uses an expression's `runtimeType` as its
+  switch variable.
 - (Thanks [@FMorschel](https://github.com/FMorschel) for many of the above
   enhancements!)