Add v7.0.0-beta.1 to CHANGELOG for ember-source

(cherry picked from commit dcd4b2d)

Author: kategengler

CHANGELOG.md

@@ -1,5 +1,41 @@
 # Ember Changelog
 
+## v7.0.0-beta.1 (March 31, 2026)
+
+- [#21240](https://github.com/emberjs/ember.js/pull/21240) [CLEANUP] Remove deprecated amd bundles and `use-ember-modules` optional feature per [RFC #1101](https://rfcs.emberjs.com/id/1101-deprecate-ember-vendor-bundles).
+- [#21275](https://github.com/emberjs/ember.js/pull/21275) [CLEANUP] Remove ember barrel file (`import Ember from 'ember'`) per [RFC #1003](https://rfcs.emberjs.com/id/1003-deprecation-import-ember-from-ember).
+- [#21056](https://github.com/emberjs/ember.js/pull/21056) [CLEANUP] Remove '@ember/application's lazy load / onLoad stuff (private API)
+- [#21058](https://github.com/emberjs/ember.js/pull/21058) [CLEANUP] Remove template-compiler bootstrap for script tags
+- [#21198](https://github.com/emberjs/ember.js/pull/21198) [CLEANUP] Remove `_globalsMode` and `_prepareForGlobalsMode` from `Application`
+- [#21079](https://github.com/emberjs/ember.js/pull/21079) [CLEANUP] Remove some IE11 support (Symbols)
+- [#21204](https://github.com/emberjs/ember.js/pull/21204) [CLEANUP] Remove old browser workarounds
+- [#21206](https://github.com/emberjs/ember.js/pull/21206) [CLEANUP] Remove unused exports, variables, imports and dependencies
+- [#21257](https://github.com/emberjs/ember.js/pull/21257) [CLEANUP] Remove old testing apis.
+- [#21067](https://github.com/emberjs/ember.js/pull/21067) [BUGFIX] Remove @ember/runloop from initializer test blueprints
+- [#21076](https://github.com/emberjs/ember.js/pull/21076) [BUGFIX] Support default globals for strict mode with the runtime compiler per [RFC #1070](https://rfcs.emberjs.com/id/1070-default-globals-for-strict-mode/).
+- [#21098](https://github.com/emberjs/ember.js/pull/21098) [BUGFIX] Add support for `this` in explicit scope for the runtime template compiler.
+- [#21107](https://github.com/emberjs/ember.js/pull/21107) [BUGFIX] Fix LinkTo inside inline SVG reloads application
+- [#21108](https://github.com/emberjs/ember.js/pull/21108) [BUGFIX] Fix unhelpful error message when the function for on modifier was forgotten as param.
+- [#21109](https://github.com/emberjs/ember.js/pull/21109) [BUGFIX] Fix missing value attribute on radio/checkbox inputs bound to empty string
+- [#21122](https://github.com/emberjs/ember.js/pull/21122) [BUGFIX] Fix tracked collections delete() returning true for non-existent entries
+- [#21124](https://github.com/emberjs/ember.js/pull/21124) [BUGFIX] Fix {{#each}} runtime crash when array contains null/undefined items with key
+- [#21125](https://github.com/emberjs/ember.js/pull/21125) [BUGFIX] Fix crash when accessing negative index of helper positional args #20912
+- [#21128](https://github.com/emberjs/ember.js/pull/21128) [BUGFIX] Fix trackedMap and trackedWeakMap reactivity for existing keys
+- [#21139](https://github.com/emberjs/ember.js/pull/21139) [BUGFIX] Port BrandedArray fix for Array-as-parent bug in destroyables
+- [#21168](https://github.com/emberjs/ember.js/pull/21168) [BUGFIX] Fix EmberArray.reduce to match native behavior
+- [#21189](https://github.com/emberjs/ember.js/pull/21189) [BUGFIX] Clear stale metadata references after destruction to allow GC
+- [#21202](https://github.com/emberjs/ember.js/pull/21202) [BUGFIX] Fix `<LinkTo>`'s `@current-when` argument with nested routes containing dynamic segments
+- [#21211](https://github.com/emberjs/ember.js/pull/21211) Pull router_js into the Ember monorepo
+- [#21069](https://github.com/emberjs/ember.js/pull/21069) Internalize @handlebars/parser
+- [#21129](https://github.com/emberjs/ember.js/pull/21129) Add prod build via package.json#exports
+- [#21141](https://github.com/emberjs/ember.js/pull/21141) Run smoke-tests with and without deprecations removed
+- [#21147](https://github.com/emberjs/ember.js/pull/21147) Migrate node tests to scenarios
+- [#21169](https://github.com/emberjs/ember.js/pull/21169) Migrate smoke tests to use ESM Ember -- ES'Mber
+- [#21173](https://github.com/emberjs/ember.js/pull/21173) Update actions + lock down to shas
+- [#21185](https://github.com/emberjs/ember.js/pull/21185) Use zizmor to lint actions & workflows
+- [#21188](https://github.com/emberjs/ember.js/pull/21188) Prepare @glimmer/syntax publishing again and add smoke tests for prettier's use of it
+- [#21234](https://github.com/emberjs/ember.js/pull/21234) Refactor tracked collections to use Proxy-based approach
+
 ## v6.12.0 (March 31, 2026)
 
 - [#20908](https://github.com/emberjs/ember.js/pull/20908) / [#21020](https://github.com/emberjs/ember.js/pull/21020) Merge [glimmerjs/glimmer-vm](https://github.com/glimmerjs/glimmer-vm) into the `emberjs/ember.js` monorepo.