<NME> FEATURES.md
<BEF> ## About Features

Please read the [Feature Flag Guide](https://guides.emberjs.com/release/configuring-ember/feature-flags/)
for a detailed explanation.

## Feature Flags

* `ember-libraries-isregistered`

  Add `isRegistered` to `Ember.libraries`. This convenience method checks whether
  a library is registered with Ember or not.

* `ember-improved-instrumentation`

  Adds additional instrumentation to Ember:

  - `interaction.<event-name>` for events handled by a component.
  - `interaction.ember-action` for closure actions.
  - `interaction.link-to` for link-to execution.

* `ember-testing-resume-test`

  Introduces the `resumeTest` testing helper to complement the `pauseTest` helper.
  This feature is paired with the
  [`EMBER_RESOLVER_MODULE_UNIFICATION`](https://github.com/ember-cli/ember-resolver#ember_resolver_module_unification)
  flag on the ember-resolver package.

<MSG> Merge pull request #17730 from emberjs/refactor-helper-tests

Move link-to/helper tests into glimmer tests folder
<DFF> @@ -36,3 +36,10 @@ for a detailed explanation.
   This feature is paired with the
   [`EMBER_RESOLVER_MODULE_UNIFICATION`](https://github.com/ember-cli/ember-resolver#ember_resolver_module_unification)
   flag on the ember-resolver package.
+
+* `ember-glimmer-angle-bracket-nested-lookup`
+
+  Allow the invoking nested components to be invoked with the `<Foo::Bar>`
+  syntax.
+
+  See [RFC #457](https://github.com/emberjs/rfcs/pull/457).

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