diff --git a/packages/kbn-optimizer/src/common/theme_tags.test.ts b/packages/kbn-optimizer/src/common/theme_tags.test.ts
index d0952a22da90d..126d1b1833873 100644
--- a/packages/kbn-optimizer/src/common/theme_tags.test.ts
+++ b/packages/kbn-optimizer/src/common/theme_tags.test.ts
@@ -11,8 +11,8 @@ import { parseThemeTags } from './theme_tags';
 it('returns default tags when passed undefined', () => {
   expect(parseThemeTags()).toMatchInlineSnapshot(`
     Array [
-      "v7dark",
-      "v7light",
+      "v8dark",
+      "v8light",
     ]
   `);
 });
diff --git a/packages/kbn-optimizer/src/common/theme_tags.ts b/packages/kbn-optimizer/src/common/theme_tags.ts
index e889b5d3642c8..de95bbdcbcfea 100644
--- a/packages/kbn-optimizer/src/common/theme_tags.ts
+++ b/packages/kbn-optimizer/src/common/theme_tags.ts
@@ -17,7 +17,7 @@ const isArrayOfStrings = (input: unknown): input is string[] =>
 
 export type ThemeTags = readonly ThemeTag[];
 export type ThemeTag = 'v7light' | 'v7dark' | 'v8light' | 'v8dark';
-export const DEFAULT_THEMES = tags('v7light', 'v7dark');
+export const DEFAULT_THEMES = tags('v8light', 'v8dark');
 export const ALL_THEMES = tags('v7light', 'v7dark', 'v8light', 'v8dark');
 
 export function parseThemeTags(input?: any): ThemeTags {
diff --git a/packages/kbn-optimizer/src/integration_tests/__snapshots__/basic_optimization.test.ts.snap b/packages/kbn-optimizer/src/integration_tests/__snapshots__/basic_optimization.test.ts.snap
index 89014286272fa..a83ca8ed2e921 100644
--- a/packages/kbn-optimizer/src/integration_tests/__snapshots__/basic_optimization.test.ts.snap
+++ b/packages/kbn-optimizer/src/integration_tests/__snapshots__/basic_optimization.test.ts.snap
@@ -149,8 +149,8 @@ OptimizerConfig {
   "profileWebpack": false,
   "repoRoot": <absolute path>/packages/kbn-optimizer/src/__fixtures__/__tmp__/mock_repo,
   "themeTags": Array [
-    "v7dark",
-    "v7light",
+    "v8dark",
+    "v8light",
   ],
   "watch": false,
 }
diff --git a/packages/kbn-optimizer/src/integration_tests/basic_optimization.test.ts b/packages/kbn-optimizer/src/integration_tests/basic_optimization.test.ts
index 07682f55ed173..646c279cd1346 100644
--- a/packages/kbn-optimizer/src/integration_tests/basic_optimization.test.ts
+++ b/packages/kbn-optimizer/src/integration_tests/basic_optimization.test.ts
@@ -162,8 +162,8 @@ it('builds expected bundles, saves bundle counts to metadata', async () => {
       <absolute path>/packages/kbn-optimizer/src/__fixtures__/__tmp__/mock_repo/plugins/bar/public/legacy/_other_styles.scss,
       <absolute path>/packages/kbn-optimizer/src/__fixtures__/__tmp__/mock_repo/plugins/bar/public/legacy/styles.scss,
       <absolute path>/packages/kbn-optimizer/src/__fixtures__/__tmp__/mock_repo/plugins/bar/public/lib.ts,
-      <absolute path>/packages/kbn-optimizer/src/__fixtures__/__tmp__/mock_repo/src/core/public/core_app/styles/_globals_v7dark.scss,
-      <absolute path>/packages/kbn-optimizer/src/__fixtures__/__tmp__/mock_repo/src/core/public/core_app/styles/_globals_v7light.scss,
+      <absolute path>/packages/kbn-optimizer/src/__fixtures__/__tmp__/mock_repo/src/core/public/core_app/styles/_globals_v8dark.scss,
+      <absolute path>/packages/kbn-optimizer/src/__fixtures__/__tmp__/mock_repo/src/core/public/core_app/styles/_globals_v8light.scss,
       <absolute path>/packages/kbn-optimizer/src/worker/entry_point_creator.ts,
     ]
   `);
diff --git a/packages/kbn-optimizer/src/optimizer/cache_keys.test.ts b/packages/kbn-optimizer/src/optimizer/cache_keys.test.ts
index a45c1b933df08..335a4fd7f74c3 100644
--- a/packages/kbn-optimizer/src/optimizer/cache_keys.test.ts
+++ b/packages/kbn-optimizer/src/optimizer/cache_keys.test.ts
@@ -93,8 +93,8 @@ describe('getOptimizerCacheKey()', () => {
                 "optimizerCacheKey": "♻",
                 "repoRoot": <absolute path>,
                 "themeTags": Array [
-                  "v7dark",
-                  "v7light",
+                  "v8dark",
+                  "v8light",
                 ],
               },
             }
diff --git a/src/core/server/rendering/bootstrap/bootstrap_renderer.test.ts b/src/core/server/rendering/bootstrap/bootstrap_renderer.test.ts
index 3803d38a968c1..36551def5eef0 100644
--- a/src/core/server/rendering/bootstrap/bootstrap_renderer.test.ts
+++ b/src/core/server/rendering/bootstrap/bootstrap_renderer.test.ts
@@ -180,7 +180,7 @@ describe('bootstrapRenderer', () => {
 
       expect(getThemeTagMock).toHaveBeenCalledTimes(1);
       expect(getThemeTagMock).toHaveBeenCalledWith({
-        themeVersion: 'v7',
+        themeVersion: 'v8',
         darkMode: false,
       });
     });
diff --git a/src/core/server/rendering/bootstrap/bootstrap_renderer.ts b/src/core/server/rendering/bootstrap/bootstrap_renderer.ts
index cff593e5c5aa9..edc0f4f0a2203 100644
--- a/src/core/server/rendering/bootstrap/bootstrap_renderer.ts
+++ b/src/core/server/rendering/bootstrap/bootstrap_renderer.ts
@@ -50,12 +50,12 @@ export const bootstrapRendererFactory: BootstrapRendererFactory = ({
 
   return async function bootstrapRenderer({ uiSettingsClient, request }) {
     let darkMode = false;
-    let themeVersion = 'v7';
+    let themeVersion = 'v8';
 
     try {
       const authenticated = isAuthenticated(request);
       darkMode = authenticated ? await uiSettingsClient.get('theme:darkMode') : false;
-      themeVersion = authenticated ? await uiSettingsClient.get('theme:version') : 'v7';
+      themeVersion = authenticated ? await uiSettingsClient.get('theme:version') : 'v8';
     } catch (e) {
       // just use the default values in case of connectivity issues with ES
     }
diff --git a/src/core/server/ui_settings/settings/theme.test.ts b/src/core/server/ui_settings/settings/theme.test.ts
index 5c66712b6a4ba..f0ca4f1eff4cd 100644
--- a/src/core/server/ui_settings/settings/theme.test.ts
+++ b/src/core/server/ui_settings/settings/theme.test.ts
@@ -35,11 +35,11 @@ describe('theme settings', () => {
 
     it('should only accept valid values', () => {
       expect(() => validate('v7')).not.toThrow();
-      expect(() => validate('v8 (beta)')).not.toThrow();
+      expect(() => validate('v8')).not.toThrow();
       expect(() => validate('v12')).toThrowErrorMatchingInlineSnapshot(`
 "types that failed validation:
 - [0]: expected value to equal [v7]
-- [1]: expected value to equal [v8 (beta)]"
+- [1]: expected value to equal [v8]"
 `);
     });
   });
diff --git a/src/core/server/ui_settings/settings/theme.ts b/src/core/server/ui_settings/settings/theme.ts
index 1c2f8417600df..35b8f0217c114 100644
--- a/src/core/server/ui_settings/settings/theme.ts
+++ b/src/core/server/ui_settings/settings/theme.ts
@@ -27,14 +27,14 @@ export const getThemeSettings = (): Record<string, UiSettingsParams> => {
       name: i18n.translate('core.ui_settings.params.themeVersionTitle', {
         defaultMessage: 'Theme version',
       }),
-      value: 'v7',
+      value: 'v8',
       type: 'select',
-      options: ['v7', 'v8 (beta)'],
+      options: ['v7', 'v8'],
       description: i18n.translate('core.ui_settings.params.themeVersionText', {
         defaultMessage: `Switch between the theme used for the current and next version of Kibana. A page refresh is required for the setting to be applied.`,
       }),
       requiresPageReload: true,
-      schema: schema.oneOf([schema.literal('v7'), schema.literal('v8 (beta)')]),
+      schema: schema.oneOf([schema.literal('v7'), schema.literal('v8')]),
     },
   };
 };
diff --git a/test/functional/apps/dashboard/dashboard_saved_query.ts b/test/functional/apps/dashboard/dashboard_saved_query.ts
index 6a5299dce7691..015a00a713bdc 100644
--- a/test/functional/apps/dashboard/dashboard_saved_query.ts
+++ b/test/functional/apps/dashboard/dashboard_saved_query.ts
@@ -38,7 +38,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
         await savedQueryManagementComponent.openSavedQueryManagementComponent();
         const descriptionText = await testSubjects.getVisibleText('saved-query-management-popover');
         expect(descriptionText).to.eql(
-          'SAVED QUERIES\nThere are no saved queries. Save query text and filters that you want to use again.\nSave current query'
+          'Saved Queries\nThere are no saved queries. Save query text and filters that you want to use again.\nSave current query'
         );
       });
 
diff --git a/test/functional/apps/discover/_saved_queries.ts b/test/functional/apps/discover/_saved_queries.ts
index 52ebdb8c008c3..20f2cab907d9b 100644
--- a/test/functional/apps/discover/_saved_queries.ts
+++ b/test/functional/apps/discover/_saved_queries.ts
@@ -55,7 +55,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
         await savedQueryManagementComponent.openSavedQueryManagementComponent();
         const descriptionText = await testSubjects.getVisibleText('saved-query-management-popover');
         expect(descriptionText).to.eql(
-          'SAVED QUERIES\nThere are no saved queries. Save query text and filters that you want to use again.\nSave current query'
+          'Saved Queries\nThere are no saved queries. Save query text and filters that you want to use again.\nSave current query'
         );
       });
 
diff --git a/test/functional/page_objects/visual_builder_page.ts b/test/functional/page_objects/visual_builder_page.ts
index 735c91d596856..eb863fd26289a 100644
--- a/test/functional/page_objects/visual_builder_page.ts
+++ b/test/functional/page_objects/visual_builder_page.ts
@@ -643,7 +643,7 @@ export class VisualBuilderPageObject extends FtrService {
     await this.comboBox.setElement(groupBy, 'Terms', { clickWithMouse: true });
     await this.common.sleep(1000);
     const byField = await this.testSubjects.find('groupByField');
-    await this.comboBox.setElement(byField, field, { clickWithMouse: true });
+    await this.comboBox.setElement(byField, field);
 
     await this.setMetricsGroupByFiltering(filtering.include, filtering.exclude);
   }
diff --git a/test/functional/screenshots/baseline/tsvb_dashboard.png b/test/functional/screenshots/baseline/tsvb_dashboard.png
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