Merge pull request #706 from adopted-ember-addons/drop-older-ember-support

Drop support for Ember.js versions below 4.8

Author: SergeAstapov

.github/workflows/ci.yml

@@ -62,10 +62,6 @@ jobs:
       fail-fast: false
       matrix:
         try-scenario:
-          - ember-lts-3.20
-          - ember-lts-3.24
-          - ember-lts-3.28
-          - ember-lts-4.4
           - ember-lts-4.8
           - ember-lts-4.12
           - ember-lts-5.4

README.md

@@ -7,7 +7,7 @@
 
 ## Compatibility
 
-- Ember.js v3.20 or above
+- Ember.js v4.8 or above
 - Ember CLI v3.20 or above
 - Node.js v18 or above
 

ember-changeset/package.json

@@ -75,7 +75,7 @@
   },
   "peerDependencies": {
     "ember-data": "*",
-    "ember-source": ">=3.20.0"
+    "ember-source": ">= 4.8.0"
   },
   "peerDependenciesMeta": {
     "ember-data": {

test-app/config/ember-try.js

@@ -21,57 +21,6 @@ module.exports = async function () {
   return {
     usePnpm: true,
     scenarios: [
-      {
-        name: 'ember-lts-3.20',
-        npm: {
-          devDependencies: {
-            '@ember/test-helpers': '^2.9.3',
-            'ember-cli': '~4.12.3',
-            'ember-cli-app-version': '^5.0.0',
-            'ember-data': '~3.20.0',
-            'ember-qunit': '^5.1.5',
-            'ember-resolver': '^8.0.0',
-            'ember-source': '~3.20.5',
-          },
-        },
-      },
-      {
-        name: 'ember-lts-3.24',
-        npm: {
-          devDependencies: {
-            '@ember/test-helpers': '^2.9.3',
-            'ember-cli': '~4.12.3',
-            'ember-cli-app-version': '^5.0.0',
-            'ember-data': '~3.24.0',
-            'ember-qunit': '^5.1.5',
-            'ember-resolver': '^8.0.0',
-            'ember-source': '~3.24.3',
-          },
-        },
-      },
-      {
-        name: 'ember-lts-3.28',
-        npm: {
-          devDependencies: {
-            '@ember/test-helpers': '^2.9.3',
-            'ember-cli': '~4.12.3',
-            'ember-data': '~3.28.0',
-            'ember-qunit': '^6.2.0',
-            'ember-resolver': '^8.0.0',
-            'ember-source': '~3.28.4',
-          },
-        },
-      },
-      {
-        name: 'ember-lts-4.4',
-        npm: {
-          devDependencies: {
-            'ember-data': '~4.4.0',
-            'ember-resolver': '^8.0.0',
-            'ember-source': '~4.4.0',
-          },
-        },
-      },
       {
         name: 'ember-lts-4.8',
         npm: {