diff --git a/build-scripts/list-plugins-and-polyfills.js b/build-scripts/list-plugins-and-polyfills.js
new file mode 100755
index 0000000000..a0978e6dba
--- /dev/null
+++ b/build-scripts/list-plugins-and-polyfills.js
@@ -0,0 +1,59 @@
+#!/usr/bin/env node
+// Script to print Babel plugins and Core JS polyfills that will be used by browserslist environments
+
+import { version as babelVersion } from "@babel/core";
+import presetEnv from "@babel/preset-env";
+import compilationTargets from "@babel/helper-compilation-targets";
+import coreJSCompat from "core-js-compat";
+import { logPlugin } from "@babel/preset-env/lib/debug.js";
+import { babelOptions } from "./bundle.cjs";
+
+const detailsOpen = (heading) =>
+  `<details>\n<summary><h4>${heading}</h4></summary>\n`;
+const detailsClose = "</details>\n";
+
+const dummyAPI = {
+  version: babelVersion,
+  assertVersion: () => {},
+  caller: (callback) =>
+    callback({
+      name: "Dummy Bundler",
+      supportsStaticESM: true,
+      supportsDynamicImport: true,
+      supportsTopLevelAwait: true,
+      supportsExportNamespaceFrom: true,
+    }),
+  targets: () => ({}),
+};
+
+for (const buildType of ["Modern", "Legacy"]) {
+  const browserslistEnv = buildType.toLowerCase();
+  const babelOpts = babelOptions({ latestBuild: browserslistEnv === "modern" });
+  const presetEnvOpts = babelOpts.presets[0][1];
+
+  // Invoking preset-env in debug mode will log the included plugins
+  console.log(detailsOpen(`${buildType} Build Babel Plugins`));
+  presetEnv.default(dummyAPI, {
+    ...presetEnvOpts,
+    browserslistEnv,
+    debug: true,
+  });
+  console.log(detailsClose);
+
+  // Manually log the Core-JS polyfills using the same technique
+  if (presetEnvOpts.useBuiltIns) {
+    console.log(detailsOpen(`${buildType} Build Core-JS Polyfills`));
+    const targets = compilationTargets.default(babelOpts?.targets, {
+      browserslistEnv,
+    });
+    const polyfillList = coreJSCompat({ targets }).list;
+    console.log(
+      "The following %i polyfills may be injected by Babel:\n",
+      polyfillList.length
+    );
+    for (const polyfill of polyfillList) {
+      logPlugin(polyfill, targets, coreJSCompat.data);
+    }
+    console.log(detailsClose);
+  }
+}
diff --git a/build-scripts/list-preset-env-plugins.js b/build-scripts/list-preset-env-plugins.js
deleted file mode 100755
index 5e869a4ef1..0000000000
--- a/build-scripts/list-preset-env-plugins.js
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/usr/bin/env node
-// Script to print Babel plugins that will be used by browserslist environments
-
-import { version as babelVersion } from "@babel/core";
-import presetEnv from "@babel/preset-env";
-import { babelOptions } from "./bundle.cjs";
-
-const dummyAPI = {
-  version: babelVersion,
-  assertVersion: () => {},
-  caller: (callback) =>
-    callback({
-      name: "Dummy Bundler",
-      supportsStaticESM: true,
-      supportsDynamicImport: true,
-      supportsTopLevelAwait: true,
-      supportsExportNamespaceFrom: true,
-    }),
-  targets: () => ({}),
-};
-
-for (const browserslistEnv of ["modern", "legacy"]) {
-  console.log("\nBrowsersList Environment = %s\n", browserslistEnv);
-  presetEnv.default(dummyAPI, {
-    ...babelOptions({ latestBuild: browserslistEnv === "modern" })
-      .presets[0][1],
-    browserslistEnv,
-    debug: true,
-  });
-}
diff --git a/pyproject.toml b/pyproject.toml
index bb03d7594a..38974e1400 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name         = "home-assistant-frontend"
-version      = "20230428.0"
+version      = "20230501.0"
 license      = {text = "Apache-2.0"}
 description  = "The Home Assistant frontend"
 readme       = "README.md"
diff --git a/src/dialogs/voice-command-dialog/ha-voice-command-dialog.ts b/src/dialogs/voice-command-dialog/ha-voice-command-dialog.ts
index ae97087550..87ea70b4e5 100644
--- a/src/dialogs/voice-command-dialog/ha-voice-command-dialog.ts
+++ b/src/dialogs/voice-command-dialog/ha-voice-command-dialog.ts
@@ -401,6 +401,7 @@ export class HaVoiceCommandDialog extends LitElement {
         }
       });
     }
+    this._stt_binary_handler_id = undefined;
     this._audioBuffer = [];
     const userMessage: Message = {
       who: "user",
@@ -463,6 +464,7 @@ export class HaVoiceCommandDialog extends LitElement {
           }
 
           if (event.type === "run-end") {
+            this._stt_binary_handler_id = undefined;
             unsub();
           }
 
@@ -509,6 +511,7 @@ export class HaVoiceCommandDialog extends LitElement {
       }
       // Send empty message to indicate we're done streaming.
       this._sendAudioChunk(new Int16Array());
+      this._stt_binary_handler_id = undefined;
     }
     this._audioBuffer = undefined;
   }
diff --git a/src/panels/calendar/dialog-calendar-event-editor.ts b/src/panels/calendar/dialog-calendar-event-editor.ts
index 35660d67ae..f6980ba76d 100644
--- a/src/panels/calendar/dialog-calendar-event-editor.ts
+++ b/src/panels/calendar/dialog-calendar-event-editor.ts
@@ -498,12 +498,22 @@ class DialogCalendarEventEditor extends LitElement {
       this._submitting = false;
       return;
     }
+    const eventData = this._calculateData();
+    if (eventData.rrule && range === RecurrenceRange.THISEVENT) {
+      // Updates to a single instance of a recurring event by definition
+      // cannot change the recurrence rule and doing so would be invalid.
+      // It is difficult to detect if the user changed the recurrence rule
+      // since updating the date may change it implicitly (e.g. day of week
+      // of the event changes) so we just assume the users intent based on
+      // recurrence range and drop any other rrule changes.
+      eventData.rrule = undefined;
+    }
     try {
       await updateCalendarEvent(
         this.hass!,
         this._calendarId!,
         entry.uid!,
-        this._calculateData(),
+        eventData,
         entry.recurrence_id || "",
         range!
       );
diff --git a/src/panels/config/voice-assistants/dialog-voice-assistant-pipeline-detail.ts b/src/panels/config/voice-assistants/dialog-voice-assistant-pipeline-detail.ts
index 89f1222fe8..aa221e8b66 100644
--- a/src/panels/config/voice-assistants/dialog-voice-assistant-pipeline-detail.ts
+++ b/src/panels/config/voice-assistants/dialog-voice-assistant-pipeline-detail.ts
@@ -49,10 +49,10 @@ export class DialogVoiceAssistantPipelineDetail extends LitElement {
   public showDialog(params: VoiceAssistantPipelineDetailsDialogParams): void {
     this._params = params;
     this._error = undefined;
+    this._cloudActive = this._params.cloudActiveSubscription;
     if (this._params.pipeline) {
       this._data = this._params.pipeline;
       this._preferred = this._params.preferred;
-      this._cloudActive = this._params.cloudActiveSubscription;
     } else {
       this._data = {
         language: (
diff --git a/src/panels/config/voice-assistants/entity-voice-settings.ts b/src/panels/config/voice-assistants/entity-voice-settings.ts
index bc5a3b9a8d..b985447260 100644
--- a/src/panels/config/voice-assistants/entity-voice-settings.ts
+++ b/src/panels/config/voice-assistants/entity-voice-settings.ts
@@ -1,3 +1,4 @@
+import { mdiAlertCircle } from "@mdi/js";
 import {
   css,
   CSSResultGroup,
@@ -32,8 +33,8 @@ import {
   updateEntityRegistryEntry,
 } from "../../../data/entity_registry";
 import {
-  GoogleEntity,
   fetchCloudGoogleEntity,
+  GoogleEntity,
 } from "../../../data/google_assistant";
 import { exposeEntities, voiceAssistants } from "../../../data/voice";
 import { SubscribeMixin } from "../../../mixins/subscribe-mixin";
@@ -223,7 +224,8 @@ export class EntityVoiceSettings extends SubscribeMixin(LitElement) {
                 />
                 <span slot="heading">${voiceAssistants[key].name}</span>
                 ${!supported
-                  ? html`<div slot="description">
+                  ? html`<div slot="description" class="unsupported">
+                      <ha-svg-icon .path=${mdiAlertCircle}></ha-svg-icon>
                       ${this.hass.localize(
                         "ui.dialogs.voice-settings.unsupported"
                       )}
@@ -379,6 +381,15 @@ export class EntityVoiceSettings extends SubscribeMixin(LitElement) {
         ha-checkbox {
           --mdc-checkbox-state-layer-size: 40px;
         }
+        .unsupported {
+          display: flex;
+          align-items: center;
+        }
+        .unsupported ha-svg-icon {
+          color: var(--error-color);
+          --mdc-icon-size: 16px;
+          margin-right: 4px;
+        }
         .header {
           margin-top: 8px;
           margin-bottom: 4px;
diff --git a/src/panels/lovelace/hui-root.ts b/src/panels/lovelace/hui-root.ts
index 6fda17d966..02b18b6122 100644
--- a/src/panels/lovelace/hui-root.ts
+++ b/src/panels/lovelace/hui-root.ts
@@ -1063,7 +1063,8 @@ class HUIRoot extends LitElement {
           padding-right: env(safe-area-inset-right);
           padding-bottom: env(safe-area-inset-bottom);
         }
-        hui-view {
+        hui-view,
+        hui-unused-entities {
           flex: 1 1 100%;
           max-width: 100%;
         }
diff --git a/src/translations/en.json b/src/translations/en.json
index 23506ac442..fa194a5049 100755
--- a/src/translations/en.json
+++ b/src/translations/en.json
@@ -2761,7 +2761,7 @@
             "alert_password_change_required": "You need to change your password before logging in.",
             "alert_email_confirm_necessary": "You need to confirm your email before logging in.",
             "cloud_pipeline_title": "Want to use Home Assistant Cloud for your voice assistant?",
-            "cloud_pipeline_text": "We created a new assistant for you, using the great text-to-speech and speech-to-text engines from Home Assistant Cloud. Would you like to set this assistant as the preferred assistant?"
+            "cloud_pipeline_text": "We created a new assistant for you, using the superior text-to-speech and speech-to-text engines from Home Assistant Cloud. Would you like to set this assistant as the preferred assistant?"
           },
           "forgot_password": {
             "title": "Forgot password",