diff --git a/.dependabot/config.yml b/.dependabot/config.yml
index 9d4666422..b415c1ee6 100644
--- a/.dependabot/config.yml
+++ b/.dependabot/config.yml
@@ -14,15 +14,6 @@ update_configs:
           dependency_type: "production"
           update_type: "in_range"
     ignored_updates:
-      # ember-changeset and ember-changeset-validations v3+ require Proxy
-      # objects which do not work in IE11
-      - match:
-          dependency_name: "ember-changeset"
-          version_requirement: ">= 3"
-      - match:
-          dependency_name: "ember-changeset-validations"
-          version_requirement: ">= 3"
-
       # graphql-tools v5+ breaks generic mocking
       - match:
           dependency_name: "graphql-tools"
diff --git a/addon/components/cfb-form-editor/question.js b/addon/components/cfb-form-editor/question.js
index 880644c14..8dbb96def 100644
--- a/addon/components/cfb-form-editor/question.js
+++ b/addon/components/cfb-form-editor/question.js
@@ -307,7 +307,7 @@ export default Component.extend({
                 slug,
                 isHidden: changeset.get("isHidden"),
                 infoText: changeset.get("infoText"),
-                meta: JSON.stringify(changeset.get("meta")),
+                meta: JSON.stringify(changeset.get("meta").unwrap()),
                 isArchived: changeset.get("isArchived"),
                 clientMutationId: v4(),
               },
@@ -397,11 +397,11 @@ export default Component.extend({
      * list if it isnt present, otherwise it will remove the slug.
      */
     toggleColumnToDisplay(value) {
-      let displayed = new Set(this.get("model.meta.columnsToDisplay"));
+      const displayed = new Set(this.changeset.get("meta.columnsToDisplay"));
 
       displayed.delete(value) || displayed.add(value);
 
-      this.set("model.meta.columnsToDisplay", [...displayed]);
+      this.changeset.set("meta.columnsToDisplay", [...displayed]);
     },
   },
 });
diff --git a/addon/components/cfb-form-editor/question/options.js b/addon/components/cfb-form-editor/question/options.js
index 5709859d8..ac2b6ec42 100644
--- a/addon/components/cfb-form-editor/question/options.js
+++ b/addon/components/cfb-form-editor/question/options.js
@@ -57,7 +57,7 @@ export default RenderComponent.extend({
   _update() {
     this.update({
       edges: this.optionRows
-        .filter((row) => !get(row, "isNew") || get(row, "isDirty"))
+        .filter((row) => !row.isNew || row.isDirty)
         .map((row) => {
           const { label, slug, isArchived } = Object.assign(
             {},
diff --git a/addon/templates/components/cfb-form-editor/question.hbs b/addon/templates/components/cfb-form-editor/question.hbs
index 741e55edf..e2877fd61 100644
--- a/addon/templates/components/cfb-form-editor/question.hbs
+++ b/addon/templates/components/cfb-form-editor/question.hbs
@@ -140,6 +140,8 @@
           placeholder=(t "caluma.form-builder.question.choose")
           required=false
           renderComponent=(component "cfb-form-editor/question/validation")
+          on-update=(changeset-set f.model "meta.formatValidators")
+          value=(changeset-get f.model "meta.formatValidators")
         }}
       {{/if}}
 
@@ -215,6 +217,8 @@
             label=(t "caluma.form-builder.question.hideLabel")
             renderComponent=(component "cfb-toggle-switch" size="small")
             class="uk-flex uk-flex-between uk-flex-column"
+            on-update=(changeset-set f.model "meta.hideLabel")
+            value=(changeset-get f.model "meta.hideLabel")
           }}
         </div>
       {{/if}}
diff --git a/addon/utils/and.js b/addon/utils/and.js
index a5b88fded..7a4f97ce3 100644
--- a/addon/utils/and.js
+++ b/addon/utils/and.js
@@ -1,4 +1,4 @@
-import isPromise from "ember-changeset/utils/is-promise";
+import { isPromise } from "validated-changeset";
 import { typeOf } from "@ember/utils";
 
 function notTrue(value) {
diff --git a/addon/utils/or.js b/addon/utils/or.js
index 3180bb2a7..a83566845 100644
--- a/addon/utils/or.js
+++ b/addon/utils/or.js
@@ -1,4 +1,4 @@
-import isPromise from "ember-changeset/utils/is-promise";
+import { isPromise } from "validated-changeset";
 
 function isTrue(value) {
   return value === true;
diff --git a/ember-cli-build.js b/ember-cli-build.js
index 4b69443ca..bf16a1069 100644
--- a/ember-cli-build.js
+++ b/ember-cli-build.js
@@ -11,6 +11,9 @@ module.exports = function (defaults) {
     babel: {
       plugins: ["@babel/plugin-proposal-object-rest-spread"],
     },
+    "ember-cli-babel": {
+      includePolyfill: process.env.EMBER_ENV === "production",
+    },
     emberApolloClient: {
       keepGraphqlFileExtension: true,
     },
diff --git a/index.js b/index.js
index a6fde5813..b26b4e314 100644
--- a/index.js
+++ b/index.js
@@ -9,6 +9,7 @@ const EngineAddon = require("ember-engines/lib/engine-addon");
 
 const DEFAULT_OPTIONS = {
   includeMirageConfig: true,
+  includeProxyPolyfill: true,
 };
 
 /* eslint-disable ember/avoid-leaking-state-in-ember-objects */
@@ -22,22 +23,27 @@ module.exports = EngineAddon.extend({
     plugins: ["@babel/plugin-proposal-object-rest-spread"],
   },
 
+  _getOptions() {
+    const app = this._findHost();
+
+    return Object.assign({}, DEFAULT_OPTIONS, app.options["ember-caluma"]);
+  },
+
   included() {
     this._super.included.apply(this, arguments);
+
+    if (this._getOptions().includeProxyPolyfill) {
+      this.import("node_modules/proxy-polyfill/proxy.min.js");
+    }
   },
 
   treeForApp(appTree) {
     const trees = [appTree];
 
     const app = this._findHost();
-    const addonOptions = Object.assign(
-      {},
-      DEFAULT_OPTIONS,
-      app.options["ember-caluma"]
-    );
 
     if (
-      addonOptions.includeMirageConfig &&
+      this._getOptions().includeMirageConfig &&
       app.registry.availablePlugins["ember-cli-mirage"]
     ) {
       const mirageDir = path.join(__dirname, "addon-mirage-support");
diff --git a/package.json b/package.json
index 00704fab2..39efa96c2 100644
--- a/package.json
+++ b/package.json
@@ -38,8 +38,8 @@
     "broccoli-merge-trees": "^4.2.0",
     "ember-apollo-client": "^2.2.0",
     "ember-auto-import": "^1.7.0",
-    "ember-changeset": "^2.2.5",
-    "ember-changeset-validations": "^2.2.1",
+    "ember-changeset": "^3.10.1",
+    "ember-changeset-validations": "^3.10.0",
     "ember-cli-babel": "^7.23.0",
     "ember-cli-htmlbars": "^5.3.1",
     "ember-cli-sass": "^10.0.0",
@@ -53,7 +53,7 @@
     "ember-power-select": "^4.1.0",
     "ember-test-selectors": "^5.0.0",
     "ember-uikit": "^2.2.0",
-    "ember-validated-form": "^3.0.0",
+    "ember-validated-form": "^3.0.1",
     "graphql": "^15.4.0",
     "graphql-iso-date": "^3.6.1",
     "graphql-tag": "^2.11.0",
@@ -61,6 +61,7 @@
     "jexl": "^2.3.0",
     "lodash.clonedeep": "^4.5.0",
     "moment": "2.24.0",
+    "proxy-polyfill": "^0.3.2",
     "sass": "^1.29.0",
     "slugify": "^1.4.6",
     "uuid": "^8.3.1"
@@ -123,7 +124,6 @@
   },
   "resolutions": {
     "**/ember-test-waiters": "^2.1.3",
-    "ember-changeset-validations/ember-changeset": "^2.2.5",
     "**/ember-get-config": "^0.3.0",
     "**/ember-truth-helpers": "^3.0.0"
   },
diff --git a/tests/dummy/app/snippets/config/ember-cli-build.js b/tests/dummy/app/snippets/config/ember-cli-build.js
new file mode 100644
index 000000000..c207e3218
--- /dev/null
+++ b/tests/dummy/app/snippets/config/ember-cli-build.js
@@ -0,0 +1,15 @@
+"use strict";
+
+const EmberApp = require("ember-cli/lib/broccoli/ember-app");
+
+module.exports = function (defaults) {
+  let app = new EmberApp(defaults, {
+    "ember-caluma": {
+      includeProxyPolyfill: false,
+    },
+  });
+
+  // ...
+
+  return app.toTree();
+};
diff --git a/tests/dummy/app/templates/docs/index.md b/tests/dummy/app/templates/docs/index.md
index 84c6f1fa5..4c987aa21 100644
--- a/tests/dummy/app/templates/docs/index.md
+++ b/tests/dummy/app/templates/docs/index.md
@@ -13,8 +13,8 @@ mounted in `app/router.js`:
 {{docs-snippet name='usage/router.js'}}
 
 To make `ember-apollo-client` work, we need to pass it as dependency for our
-engine in `app/app.js`. Additionally, we need to specify `ember-intl` as a 
-dependency so that the the application has access to the addon's translations. 
+engine in `app/app.js`. Additionally, we need to specify `ember-intl` as a
+dependency so that the the application has access to the addon's translations.
 
 {{docs-snippet name='usage/app.js'}}
 
@@ -30,6 +30,16 @@ apply styling in `app/styles/app.scss`:
 
 {{docs-snippet name='usage/app.scss'}}
 
-The `$modal-z-index` variable is needed to keep the `ember-power-select` 
-dropdown above modal dialogs as the default of z-index of `1010` 
+The `$modal-z-index` variable is needed to keep the `ember-power-select`
+dropdown above modal dialogs as the default of z-index of `1010`
 (intentionally) dwarfs all other indexes.
+
+# Build time configuration
+
+`ember-caluma` relies heavily on `ember-changeset` and
+`ember-changeset-validations` that use `Proxy`. Since we support IE11+ we
+include a polyfill for `Proxy` per default. If your app doesn't need that,
+you can opt-out by configuring `ember-caluma.includeProxyPolyfill` in your
+`ember-cli-build.js` file:
+
+{{docs-snippet name='usage/ember-cli-build.js'}}
diff --git a/tests/dummy/config/ember-intl.js b/tests/dummy/config/ember-intl.js
index d08854df9..31e3a0e06 100644
--- a/tests/dummy/config/ember-intl.js
+++ b/tests/dummy/config/ember-intl.js
@@ -89,6 +89,10 @@ module.exports = function (/* environment */) {
      * @default "function(key,locale) { return true }"
      */
     requiresTranslation(key, locale) {
+      if (!key.startsWith("caluma")) {
+        return false;
+      }
+
       const requiredLocales = ["en", "de"];
 
       // form builder is not yet supported in french
diff --git a/tests/dummy/mirage/scenarios/default.js b/tests/dummy/mirage/scenarios/default.js
index 8490f5e21..24fb08c16 100644
--- a/tests/dummy/mirage/scenarios/default.js
+++ b/tests/dummy/mirage/scenarios/default.js
@@ -72,4 +72,5 @@ export default function (server) {
   server.create("document", { formId: form.id });
 
   server.createList("work-item", 20);
+  server.createList("format-validator", 3);
 }
diff --git a/yarn.lock b/yarn.lock
index 51a9509ce..d2835eef5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2023,9 +2023,9 @@
     url-join "^4.0.0"
 
 "@semantic-release/github@^7.0.0":
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/@semantic-release/github/-/github-7.1.2.tgz#49823166f4ae2d465ead8137b564b22dd97a0ad8"
-  integrity sha512-0cbQAQgZRUPvYWeJ5OSw/bbOhe0tsFArylL2gue9V66q0JgFNOL6CONGd+X5CQxQP1+t+t3Lr9OomuE3QLZgtw==
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@semantic-release/github/-/github-7.2.0.tgz#925f3efd91adabfc4bbe0de24b79fe1a8a38b4e2"
+  integrity sha512-tMRnWiiWb43whRHvbDGXq4DGEbKRi56glDpXDJZit4PIiwDPX7Kx3QzmwRtDOcG+8lcpGjpdPabYZ9NBxoI2mw==
   dependencies:
     "@octokit/rest" "^18.0.0"
     "@semantic-release/error" "^2.2.0"
@@ -2385,9 +2385,9 @@
   integrity sha512-fZQQafSREFyuZcdWFAExYjBiCL7AUCdgsk80iO0q4yihYYdcIiH28CcuPTGFgLOCC8RlW49GSQxdHwZP+I7CNg==
 
 "@types/node@*", "@types/node@>= 8", "@types/node@>=6":
-  version "14.14.7"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.7.tgz#8ea1e8f8eae2430cf440564b98c6dfce1ec5945d"
-  integrity sha512-Zw1vhUSQZYw+7u5dAwNbIA9TuTotpzY/OF7sJM9FqPOF3SPjKnxrjoTktXDZgUjybf4cWVBP7O8wvKdSaGHweg==
+  version "14.14.8"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.8.tgz#2127bd81949a95c8b7d3240f3254352d72563aec"
+  integrity sha512-z/5Yd59dCKI5kbxauAJgw6dLPzW+TNOItNE00PkpzNwUIEwdj/Lsqwq94H5DdYBX7C13aRA0CY32BK76+neEUA==
 
 "@types/node@^9.6.0":
   version "9.6.61"
@@ -2438,9 +2438,9 @@
   integrity sha512-OpRwxbgx16nL/0/7ol0WoLLyLaMXBvtPOHjqLljnzAB/E7Qk1wtjytxgBhOTBMZvuLXnJUqfnjb4W/QclNFvSA==
 
 "@types/serve-static@*":
-  version "1.13.7"
-  resolved "https://registry.yarnpkg.com/@types/serve-static/-/serve-static-1.13.7.tgz#e51b51a0becda910f9fd04c718044da69d6c492e"
-  integrity sha512-3diZWucbR+xTmbDlU+FRRxBf+31OhFew7cJXML/zh9NmvSPTNoFecAwHB66BUqFgENJtqMiyl7JAwUE/siqdLw==
+  version "1.13.8"
+  resolved "https://registry.yarnpkg.com/@types/serve-static/-/serve-static-1.13.8.tgz#851129d434433c7082148574ffec263d58309c46"
+  integrity sha512-MoJhSQreaVoL+/hurAZzIm8wafFR6ajiTM1m4A0kv6AGeVBl4r4pOV8bGFrjjq1sGxDTnCoF8i22o0/aE5XCyA==
   dependencies:
     "@types/mime" "*"
     "@types/node" "*"
@@ -5358,9 +5358,9 @@ caniuse-api@^3.0.0:
     lodash.uniq "^4.5.0"
 
 caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000844, caniuse-lite@^1.0.30001109, caniuse-lite@^1.0.30001157:
-  version "1.0.30001158"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001158.tgz#fce86d321369603c2bc855ee0e901a7f49f8310b"
-  integrity sha512-s5loVYY+yKpuVA3HyW8BarzrtJvwHReuzugQXlv1iR3LKSReoFXRm86mT6hT7PEF5RxW+XQZg+6nYjlywYzQ+g==
+  version "1.0.30001159"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001159.tgz#bebde28f893fa9594dadcaa7d6b8e2aa0299df20"
+  integrity sha512-w9Ph56jOsS8RL20K9cLND3u/+5WASWdhC/PPrf+V3/HsM3uHOavWOR1Xzakbv4Puo/srmPHudkmCRWM7Aq+/UA==
 
 capture-exit@^2.0.0:
   version "2.0.0"
@@ -6340,11 +6340,11 @@ css-tree@1.0.0-alpha.33:
     source-map "^0.5.3"
 
 css-tree@^1.0.0-alpha.39:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/css-tree/-/css-tree-1.0.1.tgz#7726678dfe2a57993a018d9dce519bf1760e3b6d"
-  integrity sha512-WroX+2MvsYcRGP8QA0p+rxzOniT/zpAoQ/DTKDSJzh5T3IQKUkFHeIIfgIapm2uaP178GWY3Mime1qbk8GO/tA==
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/css-tree/-/css-tree-1.1.0.tgz#9b8559e0169c0f678f49a6e045e2c3101f7aa36f"
+  integrity sha512-SKwwAnwRPotiopzQBpK4o+W6Uu8PA759iWdJ1EXy3zkj+sSUcsdhnhvdv4dy5AtjcX0OGXxS7h73YAMXu8QXBw==
   dependencies:
-    mdn-data "2.0.12"
+    mdn-data "2.0.14"
     source-map "^0.6.1"
 
 css-unit-converter@^1.1.1:
@@ -6922,9 +6922,9 @@ ee-first@1.1.1:
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
 electron-to-chromium@^1.3.47, electron-to-chromium@^1.3.591:
-  version "1.3.597"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.597.tgz#0d30fd4c0f5437149c28a6044c4e119357ae56aa"
-  integrity sha512-VJI21MucKaqyFw0oe3j9BIg+nDF4MHzUZAmUwZzrxho+s8zPCD13Fds07Rgu+MTtAadO4tYTKFdAUksKYUyIJw==
+  version "1.3.598"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.598.tgz#8f757018902ab6190323a8c5f6124d854893a35b"
+  integrity sha512-G5Ztk23/ubLYVPxPXnB1uu105uzIPd4xB/D8ld8x1GaSC9+vU9NZL16nYZya8H77/7CCKKN7dArzJL3pBs8N7A==
 
 elliptic@^6.5.3:
   version "6.5.3"
@@ -7004,7 +7004,7 @@ ember-assign-polyfill@^2.5.0, ember-assign-polyfill@^2.6.0:
     ember-cli-babel "^7.20.5"
     ember-cli-version-checker "^2.0.0"
 
-ember-auto-import@^1.2.19, ember-auto-import@^1.5.3, ember-auto-import@^1.6.0, ember-auto-import@^1.7.0:
+ember-auto-import@^1.2.19, ember-auto-import@^1.5.2, ember-auto-import@^1.5.3, ember-auto-import@^1.6.0, ember-auto-import@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/ember-auto-import/-/ember-auto-import-1.7.0.tgz#dd809fbe3d40647f2af443072405094d0e77ecf5"
   integrity sha512-onp7XZKwiit3BgkOPV/obi3fvLJmDNKTTjRsVtYz63yWeyT3ahiM8BIvJYzHGL4cxlGLvwpTJy2HYBDs6ZtvoQ==
@@ -7053,24 +7053,26 @@ ember-basic-dropdown@^3.0.11:
     ember-maybe-in-element "^2.0.1"
     ember-truth-helpers "^2.1.0 || ^3.0.0"
 
-ember-changeset-validations@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/ember-changeset-validations/-/ember-changeset-validations-2.2.1.tgz#71b969fd5a75d436a3d06d160a2b31f8a67d778a"
-  integrity sha512-4pQdHqF1fksJ5/+N3BUU14xPF7DfFvHSJpLZp69t6f+a0t3WRKrEiW1aAyFnuoVzZppi1rvBdR+8LxHUIPTqKw==
+ember-changeset-validations@^3.10.0:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/ember-changeset-validations/-/ember-changeset-validations-3.10.0.tgz#1fe2cccc7246d104ba832fd006d68f675da7f316"
+  integrity sha512-Ye8ATvwI+gZUIkt3vvFweXrrGJJhGcgEiZMxsTNaz0fQLMEU1roG+7A44MZeF3goFcdBoH6e/8zg8xa9Jt06Xg==
   dependencies:
-    ember-changeset "2.2.4"
-    ember-cli-babel "^7.1.2"
-    ember-cli-htmlbars "^3.0.0"
+    ember-changeset "^3.10.1"
+    ember-cli-babel "^7.8.0"
+    ember-cli-htmlbars "^4.0.5"
     ember-get-config "^0.2.4"
     ember-validators "^2.0.0"
 
-ember-changeset@2.2.4, ember-changeset@^2.2.5:
-  version "2.2.5"
-  resolved "https://registry.yarnpkg.com/ember-changeset/-/ember-changeset-2.2.5.tgz#2d91edec5082db0b25536d0b2cc64b509f9c3a5d"
-  integrity sha512-cCccfzpQSeN5dOXs7cG9YWMOSDAarSz6PMmLrwWBZ8+J0ZcRTPKGnEQN6Cdn61JlESrYJaFp9xshd1zf4zuprA==
+ember-changeset@^3.10.1:
+  version "3.10.1"
+  resolved "https://registry.yarnpkg.com/ember-changeset/-/ember-changeset-3.10.1.tgz#d6f06bc55f867a2c1ac7c5fd780776bd1e5a9b60"
+  integrity sha512-4FoGKRcKxixSr+NBQ+ZoiwwbJE0/fuZRULUp9M1RIHejYhst+U8/ni47SsphrMhoRAcZCeyl+JqlBMlwR7v50g==
   dependencies:
-    ember-cli-babel "^7.1.2"
-    ember-deep-set "^0.2.0"
+    "@glimmer/tracking" "^1.0.1"
+    ember-auto-import "^1.5.2"
+    ember-cli-babel "^7.19.0"
+    validated-changeset "~0.10.0"
 
 ember-class-based-modifier@^0.10.0:
   version "0.10.0"
@@ -7195,7 +7197,7 @@ ember-cli-babel@^6.0.0-beta.4, ember-cli-babel@^6.10.0, ember-cli-babel@^6.11.0,
     ember-cli-version-checker "^2.1.2"
     semver "^5.5.0"
 
-ember-cli-babel@^7.0.0, ember-cli-babel@^7.1.0, ember-cli-babel@^7.1.2, ember-cli-babel@^7.1.3, ember-cli-babel@^7.10.0, ember-cli-babel@^7.11.1, ember-cli-babel@^7.12.0, ember-cli-babel@^7.13.0, ember-cli-babel@^7.13.2, ember-cli-babel@^7.17.2, ember-cli-babel@^7.18.0, ember-cli-babel@^7.19.0, ember-cli-babel@^7.20.2, ember-cli-babel@^7.20.5, ember-cli-babel@^7.21.0, ember-cli-babel@^7.22.1, ember-cli-babel@^7.23.0, ember-cli-babel@^7.4.1, ember-cli-babel@^7.5.0, ember-cli-babel@^7.7.0, ember-cli-babel@^7.7.3:
+ember-cli-babel@^7.0.0, ember-cli-babel@^7.1.0, ember-cli-babel@^7.1.2, ember-cli-babel@^7.1.3, ember-cli-babel@^7.10.0, ember-cli-babel@^7.11.1, ember-cli-babel@^7.12.0, ember-cli-babel@^7.13.0, ember-cli-babel@^7.13.2, ember-cli-babel@^7.17.2, ember-cli-babel@^7.18.0, ember-cli-babel@^7.19.0, ember-cli-babel@^7.20.2, ember-cli-babel@^7.20.5, ember-cli-babel@^7.21.0, ember-cli-babel@^7.22.1, ember-cli-babel@^7.23.0, ember-cli-babel@^7.4.1, ember-cli-babel@^7.5.0, ember-cli-babel@^7.7.0, ember-cli-babel@^7.7.3, ember-cli-babel@^7.8.0:
   version "7.23.0"
   resolved "https://registry.yarnpkg.com/ember-cli-babel/-/ember-cli-babel-7.23.0.tgz#ec580aa2c115d0810e454dd5c2fffce238284b92"
   integrity sha512-ix58DlRDAbGITtdJoRUPcAoQwKLYr/x/kIXjU9u1ATyhmuUjqb+0FDXghOWbkNihGiNOqBBR49+LBgK9AeBcNw==
@@ -7377,7 +7379,7 @@ ember-cli-htmlbars@^3.0.0, ember-cli-htmlbars@^3.0.1:
     json-stable-stringify "^1.0.1"
     strip-bom "^3.0.0"
 
-ember-cli-htmlbars@^4.2.2, ember-cli-htmlbars@^4.2.3, ember-cli-htmlbars@^4.3.1:
+ember-cli-htmlbars@^4.0.5, ember-cli-htmlbars@^4.2.2, ember-cli-htmlbars@^4.2.3, ember-cli-htmlbars@^4.3.1:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/ember-cli-htmlbars/-/ember-cli-htmlbars-4.4.0.tgz#7ca17d5ca8f7550984346d9e6e93da0c3323f8d9"
   integrity sha512-ohgctqk7dXIZR4TgN0xRoUYltWhghFJgqmtuswQTpZ7p74RxI9PKx+E8WV/95mGcPzraesvMNBg5utQNvcqgNg==
@@ -7867,13 +7869,6 @@ ember-data@^3.22.1:
     ember-cli-typescript "^3.1.3"
     ember-inflector "^3.0.1"
 
-ember-deep-set@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/ember-deep-set/-/ember-deep-set-0.2.0.tgz#93428b599f884c3da0550cbcc062b9ec5969a71e"
-  integrity sha512-3vg9Cw4CIInXzufZMQmScClg23mUw+2ybO53L51spFYP/eGaVmGduWmhrVljyl4lHKN7hW/jvG/YVWtwTPSTKA==
-  dependencies:
-    ember-cli-babel "^7.1.2"
-
 ember-destroyable-polyfill@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/ember-destroyable-polyfill/-/ember-destroyable-polyfill-2.0.2.tgz#2cc7532bd3c00e351b4da9b7fc683f4daff79671"
@@ -8456,10 +8451,10 @@ ember-uikit@^2.2.0:
     ember-toggle "^7.0.0"
     uikit "^3.3.7"
 
-ember-validated-form@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/ember-validated-form/-/ember-validated-form-3.0.0.tgz#58a6c28f36cb5779fe7bdd658f05123e4ffed09d"
-  integrity sha512-TXcj30PpAQ3l/yR7bK5KhC/ogYTcmmc1tLGSuxc84UjUorgof1TIrcKAB58GCl6RngWtFpNdrpxDDYiGBtxsEQ==
+ember-validated-form@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/ember-validated-form/-/ember-validated-form-3.0.1.tgz#0c7d90022ccf02bfe33206c7cd0067f88b4cba1f"
+  integrity sha512-bvH1uNX2i16hUnLmaYZy+3BQDf/ok6oU88Ubl/ttY3HJZm/RFoDr9wWzCc7wmy6kXvb8xGTgrzGsfeuIJkrU/A==
   dependencies:
     ember-auto-import "^1.7.0"
     ember-cli-babel "^7.23.0"
@@ -12892,10 +12887,10 @@ md5.js@^1.3.4:
     inherits "^2.0.1"
     safe-buffer "^5.1.2"
 
-mdn-data@2.0.12:
-  version "2.0.12"
-  resolved "https://registry.yarnpkg.com/mdn-data/-/mdn-data-2.0.12.tgz#bbb658d08b38f574bbb88f7b83703defdcc46844"
-  integrity sha512-ULbAlgzVb8IqZ0Hsxm6hHSlQl3Jckst2YEQS7fODu9ilNWy2LvcoSY7TRFIktABP2mdppBioc66va90T+NUs8Q==
+mdn-data@2.0.14:
+  version "2.0.14"
+  resolved "https://registry.yarnpkg.com/mdn-data/-/mdn-data-2.0.14.tgz#7113fc4281917d63ce29b43446f701e68c25ba50"
+  integrity sha512-dn6wd0uw5GsdswPFfsgMp5NSB0/aDe6fK94YJV/AJDYXL6HVLWBsxeq7js7Ad+mU2K9LAlwpk6kN2D5mwCPVow==
 
 mdn-data@2.0.4:
   version "2.0.4"
@@ -15065,6 +15060,11 @@ proxy-addr@~2.0.5:
     forwarded "~0.1.2"
     ipaddr.js "1.9.1"
 
+proxy-polyfill@^0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/proxy-polyfill/-/proxy-polyfill-0.3.2.tgz#55f190054a3044e105d9de16e23719e1e9be0898"
+  integrity sha512-ENKSXOMCewnQTOyqrQXxEjIhzT6dy572mtehiItbDoIUF5Sv5UkmRUc8kowg2MFvr232Uo8rwRpNg3V5kgTKbA==
+
 prr@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/prr/-/prr-1.0.1.tgz#d3fc114ba06995a45ec6893f484ceb1d78f5f476"
@@ -18144,6 +18144,11 @@ validate-npm-package-name@^3.0.0, validate-npm-package-name@~3.0.0:
   dependencies:
     builtins "^1.0.3"
 
+validated-changeset@~0.10.0:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/validated-changeset/-/validated-changeset-0.10.0.tgz#2e8188c089ab282c1b51fba3c289073f6bd14c8b"
+  integrity sha512-n8NB3ol6Tbi0O7bnq1wz81m5Wd1gfHw0HUcH4MatOfqO3DyXzWZV+bUaNq6wThXn20rMFB82C8pTNFSWbgXJLA==
+
 vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"