diff --git a/ghost/admin/.lint-todo b/ghost/admin/.lint-todo
index 7c276cc23e..13ef8548d1 100644
--- a/ghost/admin/.lint-todo
+++ b/ghost/admin/.lint-todo
@@ -1839,3 +1839,26 @@ add|ember-template-lint|no-nested-landmark|131|24|131|24|9eb7d301f1f50334e793aaf
 remove|ember-template-lint|table-groups|5|8|5|8|9b53737f259340d2970119c70be1af3a83081cab|1643760000000|1646352000000|1648940400000|app/components/gh-portal-links.hbs
 remove|ember-template-lint|no-action|11|72|11|72|a8b13fedc345ad6ca2c1514b209e84a19d82915d|1643760000000|1646352000000|1648940400000|app/components/gh-portal-links.hbs
 remove|ember-template-lint|no-invalid-interactive|11|64|11|64|5b5bb32075e5f0470fbe12d099229964f1dc7dfe|1643760000000|1646352000000|1648940400000|app/components/gh-portal-links.hbs
+remove|ember-template-lint|no-action|32|48|32|48|993079a3ad8b556330d2aa5a0cb01dcb63a4bdb0|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|43|44|43|44|166ab6daac6556b497c8693a94715fca7c8158f9|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|71|43|71|43|8234e3f75b9c72cbd8e726b3d26f03d0a2a26dfb|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|72|47|72|47|829a527ba5a2ff30234ea240400d9935421c5556|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|90|43|90|43|ffe817ddea62969f8b2d45127828416d6adfc773|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|91|47|91|47|bb670279bd6dc2dfca1b714200cc42b1b4b38d69|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|107|74|107|74|159455060ac247ee60be18b8ebb8f7907f652132|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|110|74|110|74|38bfdf3e4ec8c79d195e80a48c2f343757845cab|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|132|74|132|74|2e441eb8956fdd6684b75ae1139f097237ebc1fa|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|135|74|135|74|2d51bed033fe50baea3002bf5acc234ac3738b58|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|157|74|157|74|bfcab210b651dbe74a1b9e5eb565756ab863f3bb|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-passed-in-event-handlers|71|36|71|36|094eea0b41531dd31234f4a47d22faa0ad3cbaa7|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-passed-in-event-handlers|90|36|90|36|ecfb8bbcc595aaaf0c1a929efa948e75787a5e18|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|202|92|202|92|bb9a5097405a3fcaad689d0d592294e1741edd7b|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|246|72|246|72|541a413eb944fa0091ea28f7256a20e2a724a3a9|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|255|17|255|17|9fa650a0ca3325ef8182634ad5d34c5db548287a|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|256|15|256|15|2fe6989da74d54cbdbaef0ae0a7cc68f22825a1d|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|266|17|266|17|1907c9b1ae81cfb450b7a2ae7e0f874c26595144|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|267|15|267|15|20eb710122c95e74c9293fe14e11f105a86f172a|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|273|17|273|17|17ede810216f1750e8f5a0447f0d8ca9dd51eefd|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|274|15|274|15|97a8488c705fd167d8803635395470e929e57425|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|280|17|280|17|989fbbea271b49165ed76435745c43151cfc7ef7|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
+remove|ember-template-lint|no-action|281|15|281|15|6466c92ea49ac23d994c08c504e6d4ffefcadbff|1643760000000|1646352000000|1648940400000|app/templates/settings/integration.hbs
diff --git a/ghost/admin/app/controllers/settings/integration.js b/ghost/admin/app/controllers/settings/integration.js
index 8c24cc0b29..be288b0ca5 100644
--- a/ghost/admin/app/controllers/settings/integration.js
+++ b/ghost/admin/app/controllers/settings/integration.js
@@ -1,39 +1,41 @@
 import Controller from '@ember/controller';
-import classic from 'ember-classic-decorator';
 import config from 'ghost-admin/config/environment';
 import copyTextToClipboard from 'ghost-admin/utils/copy-text-to-clipboard';
 import {
     IMAGE_EXTENSIONS,
     IMAGE_MIME_TYPES
 } from 'ghost-admin/components/gh-image-uploader';
-import {action, computed} from '@ember/object';
-import {alias} from '@ember/object/computed';
+import {action} from '@ember/object';
 import {htmlSafe} from '@ember/template';
 import {inject as service} from '@ember/service';
 import {task, timeout} from 'ember-concurrency';
+import {tracked} from '@glimmer/tracking';
 
-@classic
 export default class IntegrationController extends Controller {
     @service config;
     @service ghostPaths;
 
     imageExtensions = IMAGE_EXTENSIONS;
     imageMimeTypes = IMAGE_MIME_TYPES;
-    showRegenerateKeyModal = false;
-    selectedApiKey = null;
-    isApiKeyRegenerated = false;
 
-    init() {
-        super.init(...arguments);
+    @tracked showDeleteIntegrationModal = false;
+    @tracked showRegenerateKeyModal = false;
+    @tracked showUnsavedChangesModal = false;
+    @tracked selectedApiKey = null;
+    @tracked isApiKeyRegenerated = false;
+    @tracked webhookToDelete;
+
+    constructor() {
+        super(...arguments);
         if (this.isTesting === undefined) {
             this.isTesting = config.environment === 'test';
         }
     }
 
-    @alias('model')
-        integration;
+    get integration() {
+        return this.model;
+    }
 
-    @computed
     get apiUrl() {
         let origin = window.location.origin;
         let subdir = this.ghostPaths.subdir;
@@ -42,20 +44,17 @@ export default class IntegrationController extends Controller {
         return url.replace(/\/$/, '');
     }
 
-    @computed('isApiKeyRegenerated', 'selectedApiKey')
     get regeneratedKeyType() {
         if (this.isApiKeyRegenerated) {
-            return this.get('selectedApiKey.type');
+            return this.selectedApiKey.type;
         }
         return null;
     }
 
-    @computed
     get allWebhooks() {
         return this.store.peekAll('webhook');
     }
 
-    @computed('integration.id', 'allWebhooks.@each.{isNew,isDeleted}')
     get filteredWebhooks() {
         return this.allWebhooks.filter((webhook) => {
             let matchesIntegration = webhook.belongsTo('integration').id() === this.integration.id;
@@ -66,7 +65,6 @@ export default class IntegrationController extends Controller {
         });
     }
 
-    @computed('integration.iconImage')
     get iconImageStyle() {
         let url = this.integration.iconImage;
         if (url) {
@@ -83,11 +81,22 @@ export default class IntegrationController extends Controller {
     }
 
     @action
-    triggerIconFileDialog() {
+    triggerIconFileDialog(event) {
+        event.preventDefault();
         let input = document.querySelector('input[type="file"][name="iconImage"]');
         input.click();
     }
 
+    @action
+    updateProperty(property, event) {
+        this.integration.set(property, event.target.value);
+    }
+
+    @action
+    validateProperty(property) {
+        this.integration.validate({property});
+    }
+
     @action
     setIconImage([image]) {
         this.integration.set('iconImage', image.url);
@@ -103,13 +112,13 @@ export default class IntegrationController extends Controller {
         let leaveTransition = this.leaveScreenTransition;
 
         if (!transition && this.showUnsavedChangesModal) {
-            this.set('leaveScreenTransition', null);
-            this.set('showUnsavedChangesModal', false);
+            this.leaveScreenTransition = null;
+            this.showUnsavedChangesModal = false;
             return;
         }
 
         if (!leaveTransition || transition.targetName === leaveTransition.targetName) {
-            this.set('leaveScreenTransition', transition);
+            this.leaveScreenTransition = transition;
 
             // if a save is running, wait for it to finish then transition
             if (this.saveTask.isRunning) {
@@ -119,12 +128,13 @@ export default class IntegrationController extends Controller {
             }
 
             // we genuinely have unsaved data, show the modal
-            this.set('showUnsavedChangesModal', true);
+            this.showUnsavedChangesModal = true;
         }
     }
 
     @action
-    leaveScreen() {
+    leaveScreen(event) {
+        event?.preventDefault();
         let transition = this.leaveScreenTransition;
 
         if (!transition) {
@@ -139,53 +149,63 @@ export default class IntegrationController extends Controller {
     }
 
     @action
-    deleteIntegration() {
+    deleteIntegration(event) {
+        event?.preventDefault();
         this.integration.destroyRecord();
     }
 
     @action
-    confirmIntegrationDeletion() {
-        this.set('showDeleteIntegrationModal', true);
+    confirmIntegrationDeletion(event) {
+        event?.preventDefault();
+        this.showDeleteIntegrationModal = true;
     }
 
     @action
-    cancelIntegrationDeletion() {
-        this.set('showDeleteIntegrationModal', false);
+    cancelIntegrationDeletion(event) {
+        event?.preventDefault();
+        this.showDeleteIntegrationModal = false;
     }
 
     @action
-    confirmRegenerateKeyModal(apiKey) {
-        this.set('showRegenerateKeyModal', true);
-        this.set('isApiKeyRegenerated', false);
-        this.set('selectedApiKey', apiKey);
+    confirmRegenerateKeyModal(apiKey, event) {
+        event?.preventDefault();
+        this.showRegenerateKeyModal = true;
+        this.isApiKeyRegenerated = false;
+        this.selectedApiKey = apiKey;
     }
 
     @action
-    cancelRegenerateKeyModal() {
-        this.set('showRegenerateKeyModal', false);
+    cancelRegenerateKeyModal(event) {
+        event?.preventDefault();
+        this.showRegenerateKeyModal = false;
     }
 
     @action
-    regenerateKey() {
-        this.set('isApiKeyRegenerated', true);
+    regenerateKey(event) {
+        event?.preventDefault();
+        this.isApiKeyRegenerated = true;
     }
 
     @action
-    confirmWebhookDeletion(webhook) {
-        this.set('webhookToDelete', webhook);
+    confirmWebhookDeletion(webhook, event) {
+        event?.preventDefault();
+        this.webhookToDelete = webhook;
     }
 
     @action
-    cancelWebhookDeletion() {
-        this.set('webhookToDelete', null);
+    cancelWebhookDeletion(event) {
+        event?.preventDefault();
+        this.webhookToDelete = null;
     }
 
     @action
-    deleteWebhook() {
+    deleteWebhook(event) {
+        event?.preventDefault();
         return this.webhookToDelete.destroyRecord();
     }
 
-    @task(function* () {
+    @task
+    *saveTask() {
         try {
             return yield this.integration.save();
         } catch (e) {
@@ -196,24 +216,23 @@ export default class IntegrationController extends Controller {
 
             throw e;
         }
-    })
-        saveTask;
+    }
 
-    @task(function* () {
+    @task
+    *copyContentKey() {
         copyTextToClipboard(this.integration.contentKey.secret);
         yield timeout(this.isTesting ? 50 : 3000);
-    })
-        copyContentKey;
+    }
 
-    @task(function* () {
+    @task
+    *copyAdminKey() {
         copyTextToClipboard(this.integration.adminKey.secret);
         yield timeout(this.isTesting ? 50 : 3000);
-    })
-        copyAdminKey;
+    }
 
-    @task(function* () {
+    @task
+    *copyApiUrl() {
         copyTextToClipboard(this.apiUrl);
         yield timeout(this.isTesting ? 50 : 3000);
-    })
-        copyApiUrl;
+    }
 }
diff --git a/ghost/admin/app/mixins/text-input.js b/ghost/admin/app/mixins/text-input.js
index 0b380c6641..26146517d1 100644
--- a/ghost/admin/app/mixins/text-input.js
+++ b/ghost/admin/app/mixins/text-input.js
@@ -35,6 +35,10 @@ export default Mixin.create({
         }
     },
 
+    input(event) {
+        this['on-input']?.(event);
+    },
+
     keyDown(event) {
         // stop event propagation when pressing "enter"
         // most useful in the case when undesired (global) keyboard shortcuts
diff --git a/ghost/admin/app/templates/settings/integration.hbs b/ghost/admin/app/templates/settings/integration.hbs
index d719a7b29d..417656fa69 100644
--- a/ghost/admin/app/templates/settings/integration.hbs
+++ b/ghost/admin/app/templates/settings/integration.hbs
@@ -29,7 +29,7 @@
 
                                 <GhUploader
                                     @extensions={{this.imageExtensions}}
-                                    @onComplete={{action "setIconImage"}}
+                                    @onComplete={{this.setIconImage}}
                                     as |uploader|
                                 >
                                     {{#if uploader.isUploading}}
@@ -40,7 +40,7 @@
                                         <button
                                             type="button"
                                             class="child app-custom-icon-uploadlabel"
-                                            {{action "triggerIconFileDialog"}}
+                                            {{on "click" this.triggerIconFileDialog}}
                                         >
                                             Upload
                                         </button>
@@ -68,8 +68,8 @@
                                     @class="gh-input mt1 mb1"
                                     @type="text"
                                     @value={{readonly this.integration.name}}
-                                    @input={{action (mut this.integration.name) value="target.value"}}
-                                    @focus-out={{action "validate" "name" target=this.integration}}
+                                    @on-input={{fn this.updateProperty "name"}}
+                                    @focus-out={{fn this.validateProperty "name"}}
                                     data-test-input="name"
                                 />
                                 <GhErrorMessage @errors={{this.integration.errors}} @property="name" data-test-error="name" class="ma0" />
@@ -87,8 +87,8 @@
                                     @class="gh-input mt1"
                                     @type="text"
                                     @value={{readonly this.integration.description}}
-                                    @input={{action (mut this.integration.description) value="target.value"}}
-                                    @focus-out={{action "validate" "description" target=this.integration}}
+                                    @on-input={{fn this.updateProperty "description"}}
+                                    @focus-out={{fn this.validateProperty "description"}}
                                     data-test-input="description"
                                 />
                                 <GhErrorMessage @errors={{this.integration.errors}} @property="description" data-test-error="description" class="ma0" />
@@ -104,10 +104,10 @@
                                                     {{this.integration.contentKey.secret}}
                                                 </span>
                                                 <div class="app-api-buttons child">
-                                                    <button type="button" {{action "confirmRegenerateKeyModal" this.integration.contentKey}} class="app-button-regenerate" data-tooltip="Regenerate">
+                                                    <button type="button" {{on "click" (fn this.confirmRegenerateKeyModal this.integration.contentKey)}} class="app-button-regenerate" data-tooltip="Regenerate">
                                                         {{svg-jar "reload" class="w4 h4 stroke-midgrey"}}
                                                     </button>
-                                                    <button type="button" {{action (perform this.copyContentKey)}} class="app-button-copy">
+                                                    <button type="button" {{on "click" (perform this.copyContentKey)}} class="app-button-copy">
                                                         {{#if this.copyContentKey.isRunning}}
                                                         {{svg-jar "check-circle" class="w3 v-mid mr2 stroke-white"}} Copied
                                                         {{else}}
@@ -129,10 +129,10 @@
                                                     {{this.integration.adminKey.secret}}
                                                 </span>
                                                 <div class="app-api-buttons child">
-                                                    <button type="button" {{action "confirmRegenerateKeyModal" this.integration.adminKey}} class="app-button-regenerate" data-tooltip="Regenerate">
+                                                    <button type="button" {{on "click" (fn this.confirmRegenerateKeyModal this.integration.adminKey)}} class="app-button-regenerate" data-tooltip="Regenerate">
                                                         {{svg-jar "reload" class="w4 h4 stroke-midgrey"}}
                                                     </button>
-                                                    <button type="button" {{action (perform this.copyAdminKey)}} class="app-button-copy">
+                                                    <button type="button" {{on "click" (perform this.copyAdminKey)}} class="app-button-copy">
                                                         {{#if this.copyAdminKey.isRunning}}
                                                         {{svg-jar "check-circle" class="w3 v-mid mr2 stroke-white"}} Copied
                                                         {{else}}
@@ -154,7 +154,7 @@
                                                     {{this.apiUrl}}
                                                 </span>
                                                 <div class="app-api-buttons child">
-                                                    <button type="button" {{action (perform this.copyApiUrl)}} class="app-button-copy">
+                                                    <button type="button" {{on "click" (perform this.copyApiUrl)}} class="app-button-copy">
                                                         {{#if this.copyApiUrl.isRunning}}
                                                         {{svg-jar "check-circle" class="w3 v-mid mr2 stroke-white"}} Copied
                                                         {{else}}
@@ -199,7 +199,7 @@
                                     <LinkTo @route="settings.integration.webhooks.edit" @models={{array this.integration webhook}} data-test-link="edit-webhook">
                                         {{svg-jar "pen" class="w6 h6 fill-midgrey pa1 mr1"}}
                                     </LinkTo>
-                                    <button data-test-button="delete-webhook" type="button" {{action "confirmWebhookDeletion" webhook}}>
+                                    <button data-test-button="delete-webhook" type="button" {{on "click" (fn this.confirmWebhookDeletion webhook)}}>
                                         {{svg-jar "trash" class="w6 fill-red pa1"}}
                                     </button>
                                 </div>
@@ -243,7 +243,7 @@
 
     <section class="gh-main-section">
         <div class="gh-main-section-block">
-            <button class="gh-btn gh-btn-red gh-btn-icon" type="button" {{action "confirmIntegrationDeletion"}}>
+            <button class="gh-btn gh-btn-red gh-btn-icon" type="button" {{on "click" this.confirmIntegrationDeletion}}>
                 <span> Delete integration </span>
             </button>
         </div>
@@ -252,8 +252,8 @@
 
 {{#if this.showUnsavedChangesModal}}
     <GhFullscreenModal @modal="leave-settings"
-        @confirm={{action "leaveScreen"}}
-        @close={{action "toggleUnsavedChangesModal"}}
+        @confirm={{this.leaveScreen}}
+        @close={{this.toggleUnsavedChangesModal}}
         @modifier="action wide" />
 {{/if}}
 
@@ -263,22 +263,22 @@
             apiKey=this.selectedApiKey
             integration=this.integration
         }}
-        @confirm={{action "regenerateKey"}}
-        @close={{action "cancelRegenerateKeyModal"}}
+        @confirm={{this.regenerateKey}}
+        @close={{this.cancelRegenerateKeyModal}}
         @modifier="action wide" />
 {{/if}}
 
 {{#if this.showDeleteIntegrationModal}}
     <GhFullscreenModal @modal="delete-integration"
-        @confirm={{action "deleteIntegration"}}
-        @close={{action "cancelIntegrationDeletion"}}
+        @confirm={{this.deleteIntegration}}
+        @close={{this.cancelIntegrationDeletion}}
         @modifier="action wide" />
 {{/if}}
 
 {{#if this.webhookToDelete}}
     <GhFullscreenModal @modal="delete-webhook"
-        @confirm={{action "deleteWebhook"}}
-        @close={{action "cancelWebhookDeletion"}}
+        @confirm={{this.deleteWebhook}}
+        @close={{this.cancelWebhookDeletion}}
         @modifier="action wide" />
 {{/if}}