diff --git a/docs/CHANGELOG.asciidoc b/docs/CHANGELOG.asciidoc
index 1b45c8700d9a3..85c5bcfbf1127 100644
--- a/docs/CHANGELOG.asciidoc
+++ b/docs/CHANGELOG.asciidoc
@@ -93,37 +93,36 @@ The 8.16.0 release includes the following known issues.
 
 [discrete]
 [[known-199902]]
-.Stack Monitoring shows "Unable to load page error"
+.Stack Monitoring shows "Unable to load page" error
 [%collapsible]
 ====
 *Details* +
-The Stack Monitoring pages Overview, Nodes, Logs can stop working with the error "Unable to load page error". The Stack trace mentions `TypeError: Cannot read properties of undefined (reading 'logsLocator')`.
+The Overview, Nodes, and Logs pages in Stack Monitoring show an "Unable to load page" error. The Stack trace mentions `TypeError: Cannot read properties of undefined (reading 'logsLocator')`.
 
 *Workaround* +
-Disabling the `Set feature visibility > Logs` feature at Kibana Space settings level will prevent the error to occur. Please note the `Logs` feature will not be available on such space.
+Disabling the `Set feature visibility > Logs` feature at the Kibana Space settings level will prevent the error from occurring. Please note the `Logs` feature will not be available on those spaces.
 
-It's also possible to `Observability > Logs` feature privilege to `None` on the role level - this will hide the `Logs` feature for individual users and prevent the error for these users as well.
+It's also possible to set the `Observability > Logs` feature privilege to `None` at the role level. This will hide the `Logs` feature from individual users and prevent the error for these users as well.
 
 For more information, refer to {kibana-issue}199902[#199902].
 ====
 
 [discrete]
 [[known-199891-199892]]
-.Onboarding, tutorial of APM and OpenTelemetry and some "Beats Only" integrations will show the error "Unable to load page error"
+.Onboarding, tutorial of APM and OpenTelemetry and some "Beats Only" integrations shows "Unable to load page" error
 [%collapsible]
 ====
 *Details* +
-Tutorials linked from the {kib} home page show an error "Unable to load page error". The Stack trace mentions `The above error occurred in tutorial_TutorialUi`.
+Tutorials linked from the {kib} home page show an "Unable to load page" error. The Stack trace mentions `The above error occurred in tutorial_TutorialUi`.
 
 *Workaround* +
-The APM / OpenTelemetry tutorials represented a shortcut to get important parameters to use in the configuration files quickly.
-It is still possible to obtain the same parameters following the documentation tutorials of APM.
+The APM / OpenTelemetry tutorials represented a shortcut to quickly add important parameters to the configuration files.
+It is still possible to obtain the same parameters following the tutorials in the APM documentation.
 
 More information can be found in the {observability-guide}/apm-collect-application-data.html[APM documentation] and the {observability-guide}/get-started-with-fleet-apm-server.html[Fleet documentation].
 
 For information about how to create APM API keys, please check the {observability-guide}/apm-api-key.html#apm-create-an-api-key[API key documentation].
 
-
 For more information, refer to {kibana-issue}199891[#199891] and {kibana-issue}199892[#199892].
 ====
 
diff --git a/oas_docs/bundle.json b/oas_docs/bundle.json
index a4c1e30c8cf05..d30ac3c4552e2 100644
--- a/oas_docs/bundle.json
+++ b/oas_docs/bundle.json
@@ -21335,7 +21335,7 @@
         ]
       }
     },
-    "/api/fleet/epm/packages/{pkgName}/{pkgVersion}/{filePath*}": {
+    "/api/fleet/epm/packages/{pkgName}/{pkgVersion}/{filePath}": {
       "get": {
         "operationId": "get-fleet-epm-packages-pkgname-pkgversion-filepath",
         "parameters": [
diff --git a/oas_docs/bundle.serverless.json b/oas_docs/bundle.serverless.json
index a0bd0c4cc4340..4b56e3581c66f 100644
--- a/oas_docs/bundle.serverless.json
+++ b/oas_docs/bundle.serverless.json
@@ -21335,7 +21335,7 @@
         ]
       }
     },
-    "/api/fleet/epm/packages/{pkgName}/{pkgVersion}/{filePath*}": {
+    "/api/fleet/epm/packages/{pkgName}/{pkgVersion}/{filePath}": {
       "get": {
         "operationId": "get-fleet-epm-packages-pkgname-pkgversion-filepath",
         "parameters": [
diff --git a/oas_docs/output/kibana.serverless.yaml b/oas_docs/output/kibana.serverless.yaml
index 4f54e401b14c2..55dd5277d1d93 100644
--- a/oas_docs/output/kibana.serverless.yaml
+++ b/oas_docs/output/kibana.serverless.yaml
@@ -19323,7 +19323,7 @@ paths:
       tags:
         - Elastic Package Manager (EPM)
       x-beta: true
-  /api/fleet/epm/packages/{pkgName}/{pkgVersion}/{filePath*}:
+  /api/fleet/epm/packages/{pkgName}/{pkgVersion}/{filePath}:
     get:
       operationId: get-fleet-epm-packages-pkgname-pkgversion-filepath
       parameters:
diff --git a/oas_docs/output/kibana.yaml b/oas_docs/output/kibana.yaml
index cb7d39cae0cab..b2c3ae00be9d0 100644
--- a/oas_docs/output/kibana.yaml
+++ b/oas_docs/output/kibana.yaml
@@ -22127,7 +22127,7 @@ paths:
       summary: Update package settings
       tags:
         - Elastic Package Manager (EPM)
-  /api/fleet/epm/packages/{pkgName}/{pkgVersion}/{filePath*}:
+  /api/fleet/epm/packages/{pkgName}/{pkgVersion}/{filePath}:
     get:
       operationId: get-fleet-epm-packages-pkgname-pkgversion-filepath
       parameters:
diff --git a/oas_docs/package-lock.json b/oas_docs/package-lock.json
index 6527a6ee6a5dd..70fff86254f65 100644
--- a/oas_docs/package-lock.json
+++ b/oas_docs/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
-        "@redocly/cli": "^1.25.7",
+        "@redocly/cli": "^1.25.11",
         "bump-cli": "^2.8.4"
       }
     },
@@ -518,6 +518,7 @@
       "version": "1.25.11",
       "resolved": "https://registry.npmjs.org/@redocly/cli/-/cli-1.25.11.tgz",
       "integrity": "sha512-dttBsmLnnbTlJCTa+s7Sy+qtXDq692n7Ru3nUUIHp9XdCbhXIHWhpc8uAl+GmR4MGbVe8ohATl3J+zX3aFy82A==",
+      "license": "MIT",
       "dependencies": {
         "@redocly/openapi-core": "1.25.11",
         "abort-controller": "^3.0.0",
diff --git a/oas_docs/package.json b/oas_docs/package.json
index d007a9881acad..3f6cae5c044b3 100644
--- a/oas_docs/package.json
+++ b/oas_docs/package.json
@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "bump-cli": "^2.8.4",
-    "@redocly/cli": "^1.25.7"
+    "@redocly/cli": "^1.25.11"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
diff --git a/package.json b/package.json
index e107bf2619f12..c2d4a28c60fa6 100644
--- a/package.json
+++ b/package.json
@@ -1023,7 +1023,7 @@
     "@langchain/langgraph": "0.2.19",
     "@langchain/openai": "^0.3.11",
     "@langtrase/trace-attributes": "^3.0.8",
-    "@launchdarkly/node-server-sdk": "^9.7.0",
+    "@launchdarkly/node-server-sdk": "^9.7.1",
     "@launchdarkly/openfeature-node-server": "^1.0.0",
     "@loaders.gl/core": "^3.4.7",
     "@loaders.gl/json": "^3.4.7",
@@ -1634,7 +1634,7 @@
     "@types/resolve": "^1.20.1",
     "@types/scheduler": "^0.23.0",
     "@types/seedrandom": ">=2.0.0 <4.0.0",
-    "@types/selenium-webdriver": "^4.1.26",
+    "@types/selenium-webdriver": "^4.1.27",
     "@types/semver": "^7.5.8",
     "@types/set-value": "^2.0.0",
     "@types/sinon": "^7.0.13",
@@ -1681,7 +1681,7 @@
     "buildkite-test-collector": "^1.7.0",
     "callsites": "^3.1.0",
     "chance": "1.0.18",
-    "chromedriver": "^130.0.1",
+    "chromedriver": "^130.0.4",
     "clarify": "^2.2.0",
     "clean-webpack-plugin": "^3.0.0",
     "cli-progress": "^3.12.0",
@@ -1732,7 +1732,7 @@
     "file-loader": "^4.2.0",
     "find-cypress-specs": "^1.41.4",
     "form-data": "^4.0.0",
-    "geckodriver": "^4.5.1",
+    "geckodriver": "^5.0.0",
     "gulp-brotli": "^3.0.0",
     "gulp-postcss": "^9.0.1",
     "gulp-terser": "^2.1.0",
@@ -1807,7 +1807,7 @@
     "rxjs-marbles": "^7.0.1",
     "sass-embedded": "^1.78.0",
     "sass-loader": "^10.5.1",
-    "selenium-webdriver": "^4.25.0",
+    "selenium-webdriver": "^4.26.0",
     "sharp": "0.32.6",
     "simple-git": "^3.16.0",
     "sinon": "^7.4.2",
diff --git a/packages/kbn-router-to-openapispec/src/__snapshots__/generate_oas.test.ts.snap b/packages/kbn-router-to-openapispec/src/__snapshots__/generate_oas.test.ts.snap
index 1c1f5bed02a0e..ccf5fad20a71a 100644
--- a/packages/kbn-router-to-openapispec/src/__snapshots__/generate_oas.test.ts.snap
+++ b/packages/kbn-router-to-openapispec/src/__snapshots__/generate_oas.test.ts.snap
@@ -228,7 +228,7 @@ OK response oas-test-version-2",
         "x-discontinued": "route discontinued version or date",
       },
     },
-    "/foo/{id}/{path*}": Object {
+    "/foo/{id}/{path}": Object {
       "delete": Object {
         "description": "route description",
         "operationId": "delete-foo-id-path",
@@ -570,7 +570,7 @@ OK response oas-test-version-2",
         ],
       },
     },
-    "/no-xsrf/{id}/{path*}": Object {
+    "/no-xsrf/{id}/{path}": Object {
       "post": Object {
         "deprecated": true,
         "operationId": "post-no-xsrf-id-path-2",
diff --git a/packages/kbn-router-to-openapispec/src/generate_oas.test.fixture.ts b/packages/kbn-router-to-openapispec/src/generate_oas.test.fixture.ts
index f4ba66f992134..dedba5036d7ef 100644
--- a/packages/kbn-router-to-openapispec/src/generate_oas.test.fixture.ts
+++ b/packages/kbn-router-to-openapispec/src/generate_oas.test.fixture.ts
@@ -151,7 +151,7 @@ export const sharedOas = {
         tags: ['versioned'],
       },
     },
-    '/foo/{id}/{path*}': {
+    '/foo/{id}/{path}': {
       get: {
         description: 'route description',
         operationId: 'get-foo-id-path',
diff --git a/packages/kbn-router-to-openapispec/src/generate_oas.test.ts b/packages/kbn-router-to-openapispec/src/generate_oas.test.ts
index 25b786ac7c2c7..76a4f560006b3 100644
--- a/packages/kbn-router-to-openapispec/src/generate_oas.test.ts
+++ b/packages/kbn-router-to-openapispec/src/generate_oas.test.ts
@@ -314,9 +314,9 @@ describe('generateOpenApiDocument', () => {
         }
       );
       // router paths
-      expect(result.paths['/1-1/{id}/{path*}']!.get!.tags).toEqual(['1', '2']);
-      expect(result.paths['/1-2/{id}/{path*}']!.get!.tags).toEqual(['1']);
-      expect(result.paths['/2-1/{id}/{path*}']!.get!.tags).toEqual([]);
+      expect(result.paths['/1-1/{id}/{path}']!.get!.tags).toEqual(['1', '2']);
+      expect(result.paths['/1-2/{id}/{path}']!.get!.tags).toEqual(['1']);
+      expect(result.paths['/2-1/{id}/{path}']!.get!.tags).toEqual([]);
       // versioned router paths
       expect(result.paths['/v1-1']!.get!.tags).toEqual(['v1']);
       expect(result.paths['/v1-2']!.get!.tags).toEqual(['v2', 'v3']);
@@ -392,17 +392,17 @@ describe('generateOpenApiDocument', () => {
       );
 
       // router paths
-      expect(result.paths['/1-1/{id}/{path*}']!.get).toMatchObject({
+      expect(result.paths['/1-1/{id}/{path}']!.get).toMatchObject({
         'x-state': 'Technical Preview',
       });
-      expect(result.paths['/1-2/{id}/{path*}']!.get).toMatchObject({
+      expect(result.paths['/1-2/{id}/{path}']!.get).toMatchObject({
         'x-state': 'Beta',
       });
 
-      expect(result.paths['/1-3/{id}/{path*}']!.get).not.toMatchObject({
+      expect(result.paths['/1-3/{id}/{path}']!.get).not.toMatchObject({
         'x-state': expect.any(String),
       });
-      expect(result.paths['/2-1/{id}/{path*}']!.get).not.toMatchObject({
+      expect(result.paths['/2-1/{id}/{path}']!.get).not.toMatchObject({
         'x-state': expect.any(String),
       });
 
diff --git a/packages/kbn-router-to-openapispec/src/util.test.ts b/packages/kbn-router-to-openapispec/src/util.test.ts
index f9692e57e1f50..e3011aa1a5a73 100644
--- a/packages/kbn-router-to-openapispec/src/util.test.ts
+++ b/packages/kbn-router-to-openapispec/src/util.test.ts
@@ -17,8 +17,9 @@ import {
   getPathParameters,
   createOpIdGenerator,
   GetOpId,
+  assignToPaths,
+  extractTags,
 } from './util';
-import { assignToPaths, extractTags } from './util';
 
 describe('extractTags', () => {
   test.each([
@@ -115,9 +116,11 @@ describe('assignToPaths', () => {
     const paths = {};
     assignToPaths(paths, '/foo', {});
     assignToPaths(paths, '/bar/{id?}', {});
+    assignToPaths(paths, '/bar/file/{path*}', {});
     expect(paths).toEqual({
       '/foo': {},
       '/bar/{id}': {},
+      '/bar/file/{path}': {},
     });
   });
 });
@@ -320,7 +323,7 @@ describe('createOpIdGenerator', () => {
     {
       input: {
         method: 'get',
-        path: '/api/my/resource/{path*}',
+        path: '/api/my/resource/{path}',
       },
       output: 'get-my-resource-path',
     },
diff --git a/packages/kbn-router-to-openapispec/src/util.ts b/packages/kbn-router-to-openapispec/src/util.ts
index a5718fa92120f..1088259e73d05 100644
--- a/packages/kbn-router-to-openapispec/src/util.ts
+++ b/packages/kbn-router-to-openapispec/src/util.ts
@@ -132,7 +132,7 @@ export const assignToPaths = (
   path: string,
   pathObject: OpenAPIV3.PathItemObject
 ): void => {
-  const pathName = path.replace('?', '');
+  const pathName = path.replace(/[\?\*]/, '');
   paths[pathName] = { ...paths[pathName], ...pathObject };
 };
 
diff --git a/x-pack/plugins/aiops/public/embeddables/change_point_chart/embeddable_chart_component_wrapper.tsx b/x-pack/plugins/aiops/public/embeddables/change_point_chart/embeddable_chart_component_wrapper.tsx
index 15159d7adb60c..c96f8376a2ad9 100644
--- a/x-pack/plugins/aiops/public/embeddables/change_point_chart/embeddable_chart_component_wrapper.tsx
+++ b/x-pack/plugins/aiops/public/embeddables/change_point_chart/embeddable_chart_component_wrapper.tsx
@@ -72,8 +72,8 @@ export const ChartGridEmbeddableWrapper: FC<ChangePointDetectionProps> = ({
     mergedQuery.bool.filter.push({
       range: {
         [dataView.timeFieldName!]: {
-          from: searchBounds.min?.valueOf(),
-          to: searchBounds.max?.valueOf(),
+          gte: searchBounds.min?.valueOf(),
+          lte: searchBounds.max?.valueOf(),
           format: 'epoch_millis',
         },
       },
diff --git a/x-pack/plugins/embeddable_enhanced/public/plugin.ts b/x-pack/plugins/embeddable_enhanced/public/plugin.ts
index f05982af78947..a76f33f095951 100644
--- a/x-pack/plugins/embeddable_enhanced/public/plugin.ts
+++ b/x-pack/plugins/embeddable_enhanced/public/plugin.ts
@@ -148,8 +148,8 @@ export class EmbeddableEnhancedPlugin
     );
     const api: DynamicActionStorageApi = {
       dynamicActionsState$,
-      setDynamicActions: (newState) => {
-        dynamicActionsState$.next(newState);
+      setDynamicActions: (enhancements) => {
+        dynamicActionsState$.next(getDynamicActionsState(enhancements));
       },
     };
     const storage = new DynamicActionStorage(uuid, getTitle, api);
diff --git a/x-pack/plugins/inference/server/routes/chat_complete.ts b/x-pack/plugins/inference/server/routes/chat_complete.ts
index 582d4ceb97d45..e4e078e58c15a 100644
--- a/x-pack/plugins/inference/server/routes/chat_complete.ts
+++ b/x-pack/plugins/inference/server/routes/chat_complete.ts
@@ -119,6 +119,12 @@ export function registerChatCompleteRoute({
   router.post(
     {
       path: '/internal/inference/chat_complete',
+      security: {
+        authz: {
+          enabled: false,
+          reason: 'This route is opted out from authorization',
+        },
+      },
       validate: {
         body: chatCompleteBodySchema,
       },
diff --git a/x-pack/plugins/inference/server/routes/connectors.ts b/x-pack/plugins/inference/server/routes/connectors.ts
index a03a393f133b1..240e11a37f20e 100644
--- a/x-pack/plugins/inference/server/routes/connectors.ts
+++ b/x-pack/plugins/inference/server/routes/connectors.ts
@@ -23,6 +23,12 @@ export function registerConnectorsRoute({
   router.get(
     {
       path: '/internal/inference/connectors',
+      security: {
+        authz: {
+          enabled: false,
+          reason: 'This route is opted out from authorization',
+        },
+      },
       validate: {},
     },
     async (_context, request, response) => {
diff --git a/x-pack/plugins/kubernetes_security/server/routes/aggregate.ts b/x-pack/plugins/kubernetes_security/server/routes/aggregate.ts
index f83ddc818cbb4..4ddb828b68976 100644
--- a/x-pack/plugins/kubernetes_security/server/routes/aggregate.ts
+++ b/x-pack/plugins/kubernetes_security/server/routes/aggregate.ts
@@ -38,6 +38,11 @@ export const registerAggregateRoute = (router: IRouter, logger: Logger) => {
     .addVersion(
       {
         version: '1',
+        security: {
+          authz: {
+            requiredPrivileges: ['securitySolution'],
+          },
+        },
         validate: {
           request: {
             query: schema.object({
diff --git a/x-pack/plugins/kubernetes_security/server/routes/count.ts b/x-pack/plugins/kubernetes_security/server/routes/count.ts
index 0922adeb0cf45..b73452e8e45fc 100644
--- a/x-pack/plugins/kubernetes_security/server/routes/count.ts
+++ b/x-pack/plugins/kubernetes_security/server/routes/count.ts
@@ -28,6 +28,11 @@ export const registerCountRoute = (router: IRouter, logger: Logger) => {
     .addVersion(
       {
         version: '1',
+        security: {
+          authz: {
+            requiredPrivileges: ['securitySolution'],
+          },
+        },
         validate: {
           request: {
             query: schema.object({
diff --git a/x-pack/plugins/kubernetes_security/server/routes/multi_terms_aggregate.ts b/x-pack/plugins/kubernetes_security/server/routes/multi_terms_aggregate.ts
index 83f5b70efe051..b4a0271b63edc 100644
--- a/x-pack/plugins/kubernetes_security/server/routes/multi_terms_aggregate.ts
+++ b/x-pack/plugins/kubernetes_security/server/routes/multi_terms_aggregate.ts
@@ -35,6 +35,11 @@ export const registerMultiTermsAggregateRoute = (router: IRouter, logger: Logger
     .addVersion(
       {
         version: '1',
+        security: {
+          authz: {
+            requiredPrivileges: ['securitySolution'],
+          },
+        },
         validate: {
           request: {
             query: schema.object({
diff --git a/x-pack/plugins/observability_solution/observability_ai_assistant/server/config.ts b/x-pack/plugins/observability_solution/observability_ai_assistant/server/config.ts
index 4df8891bd06fc..2f36d27889c14 100644
--- a/x-pack/plugins/observability_solution/observability_ai_assistant/server/config.ts
+++ b/x-pack/plugins/observability_solution/observability_ai_assistant/server/config.ts
@@ -9,7 +9,6 @@ import { schema, type TypeOf } from '@kbn/config-schema';
 
 export const config = schema.object({
   enabled: schema.boolean({ defaultValue: true }),
-  modelId: schema.maybe(schema.string()), // TODO: Remove
   scope: schema.maybe(schema.oneOf([schema.literal('observability'), schema.literal('search')])),
   enableKnowledgeBase: schema.boolean({ defaultValue: true }),
 });
diff --git a/x-pack/plugins/observability_solution/observability_ai_assistant/server/plugin.ts b/x-pack/plugins/observability_solution/observability_ai_assistant/server/plugin.ts
index 98a6232563054..b2b5736fd1d6f 100644
--- a/x-pack/plugins/observability_solution/observability_ai_assistant/server/plugin.ts
+++ b/x-pack/plugins/observability_solution/observability_ai_assistant/server/plugin.ts
@@ -116,11 +116,6 @@ export class ObservabilityAIAssistantPlugin
 
     // Using once to make sure the same model ID is used during service init and Knowledge base setup
     const getSearchConnectorModelId = once(async () => {
-      // TODO: Remove this once the modelId is removed from the config
-      const configModelId = this.config.modelId;
-      if (configModelId) {
-        return configModelId;
-      }
       const defaultModelId = '.elser_model_2';
       const [_, pluginsStart] = await core.getStartServices();
       // Wait for the license to be available so the ML plugin's guards pass once we ask for ELSER stats
diff --git a/x-pack/plugins/observability_solution/observability_ai_assistant/server/service/inference_endpoint.ts b/x-pack/plugins/observability_solution/observability_ai_assistant/server/service/inference_endpoint.ts
index 1d09311dbd6ea..e89028652d9ac 100644
--- a/x-pack/plugins/observability_solution/observability_ai_assistant/server/service/inference_endpoint.ts
+++ b/x-pack/plugins/observability_solution/observability_ai_assistant/server/service/inference_endpoint.ts
@@ -10,7 +10,7 @@ import { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
 import { Logger } from '@kbn/logging';
 import moment from 'moment';
 
-export const AI_ASSISTANT_KB_INFERENCE_ID = 'ai_assistant_kb_inference';
+export const AI_ASSISTANT_KB_INFERENCE_ID = 'obs_ai_assistant_kb_inference';
 
 export async function createInferenceEndpoint({
   esClient,
diff --git a/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/bulk_cruds/edit_monitor_bulk.ts b/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/bulk_cruds/edit_monitor_bulk.ts
index 833e0203e3817..f106dc46c0708 100644
--- a/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/bulk_cruds/edit_monitor_bulk.ts
+++ b/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/bulk_cruds/edit_monitor_bulk.ts
@@ -28,7 +28,6 @@ import {
 export interface MonitorConfigUpdate {
   normalizedMonitor: SyntheticsMonitor;
   monitorWithRevision: SyntheticsMonitorWithSecretsAttributes;
-  previousMonitor: SavedObject<EncryptedSyntheticsMonitorAttributes>;
   decryptedPreviousMonitor: SavedObject<SyntheticsMonitorWithSecretsAttributes>;
 }
 
@@ -40,14 +39,14 @@ const updateConfigSavedObjects = async ({
   monitorsToUpdate: MonitorConfigUpdate[];
 }) => {
   return await routeContext.savedObjectsClient.bulkUpdate<MonitorFields>(
-    monitorsToUpdate.map(({ previousMonitor, monitorWithRevision }) => ({
+    monitorsToUpdate.map(({ monitorWithRevision, decryptedPreviousMonitor }) => ({
       type: syntheticsMonitorType,
-      id: previousMonitor.id,
+      id: decryptedPreviousMonitor.id,
       attributes: {
         ...monitorWithRevision,
-        [ConfigKey.CONFIG_ID]: previousMonitor.id,
+        [ConfigKey.CONFIG_ID]: decryptedPreviousMonitor.id,
         [ConfigKey.MONITOR_QUERY_ID]:
-          monitorWithRevision[ConfigKey.CUSTOM_HEARTBEAT_ID] || previousMonitor.id,
+          monitorWithRevision[ConfigKey.CUSTOM_HEARTBEAT_ID] || decryptedPreviousMonitor.id,
       },
     }))
   );
@@ -67,15 +66,14 @@ async function syncUpdatedMonitors({
   const { syntheticsMonitorClient } = routeContext;
 
   return await syntheticsMonitorClient.editMonitors(
-    monitorsToUpdate.map(({ normalizedMonitor, previousMonitor, decryptedPreviousMonitor }) => ({
+    monitorsToUpdate.map(({ normalizedMonitor, decryptedPreviousMonitor }) => ({
       monitor: {
         ...(normalizedMonitor as MonitorFields),
-        [ConfigKey.CONFIG_ID]: previousMonitor.id,
+        [ConfigKey.CONFIG_ID]: decryptedPreviousMonitor.id,
         [ConfigKey.MONITOR_QUERY_ID]:
-          normalizedMonitor[ConfigKey.CUSTOM_HEARTBEAT_ID] || previousMonitor.id,
+          normalizedMonitor[ConfigKey.CUSTOM_HEARTBEAT_ID] || decryptedPreviousMonitor.id,
       },
-      id: previousMonitor.id,
-      previousMonitor,
+      id: decryptedPreviousMonitor.id,
       decryptedPreviousMonitor,
     })),
     privateLocations,
@@ -104,9 +102,9 @@ export const syncEditedMonitorBulk = async ({
 
     const { failedPolicyUpdates, publicSyncErrors } = editSyncResponse;
 
-    monitorsToUpdate.forEach(({ normalizedMonitor, previousMonitor }) => {
+    monitorsToUpdate.forEach(({ normalizedMonitor, decryptedPreviousMonitor }) => {
       const editedMonitorSavedObject = editedMonitorSavedObjects?.saved_objects.find(
-        (obj) => obj.id === previousMonitor.id
+        (obj) => obj.id === decryptedPreviousMonitor.id
       );
 
       sendTelemetryEvents(
@@ -114,7 +112,7 @@ export const syncEditedMonitorBulk = async ({
         server.telemetry,
         formatTelemetryUpdateEvent(
           editedMonitorSavedObject as SavedObjectsUpdateResponse<EncryptedSyntheticsMonitorAttributes>,
-          previousMonitor,
+          decryptedPreviousMonitor.updated_at,
           server.stackVersion,
           Boolean((normalizedMonitor as MonitorFields)[ConfigKey.SOURCE_INLINE]),
           publicSyncErrors
@@ -150,9 +148,9 @@ export const rollbackCompletely = async ({
   const { savedObjectsClient, server } = routeContext;
   try {
     await savedObjectsClient.bulkUpdate<MonitorFields>(
-      monitorsToUpdate.map(({ previousMonitor, decryptedPreviousMonitor }) => ({
+      monitorsToUpdate.map(({ decryptedPreviousMonitor }) => ({
         type: syntheticsMonitorType,
-        id: previousMonitor.id,
+        id: decryptedPreviousMonitor.id,
         attributes: decryptedPreviousMonitor.attributes,
       }))
     );
@@ -167,7 +165,6 @@ export const rollbackFailedUpdates = async ({
   monitorsToUpdate,
 }: {
   monitorsToUpdate: Array<{
-    previousMonitor: SavedObject<EncryptedSyntheticsMonitorAttributes>;
     decryptedPreviousMonitor: SavedObject<SyntheticsMonitorWithSecretsAttributes>;
   }>;
   routeContext: RouteContext;
@@ -194,12 +191,12 @@ export const rollbackFailedUpdates = async ({
     });
 
     const monitorsToRevert = monitorsToUpdate
-      .filter(({ previousMonitor }) => {
-        return failedConfigs[previousMonitor.id];
+      .filter(({ decryptedPreviousMonitor }) => {
+        return failedConfigs[decryptedPreviousMonitor.id];
       })
-      .map(({ previousMonitor, decryptedPreviousMonitor }) => ({
+      .map(({ decryptedPreviousMonitor }) => ({
         type: syntheticsMonitorType,
-        id: previousMonitor.id,
+        id: decryptedPreviousMonitor.id,
         attributes: decryptedPreviousMonitor.attributes,
       }));
 
diff --git a/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/edit_monitor.ts b/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/edit_monitor.ts
index d9261847db1ab..d460b71037950 100644
--- a/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/edit_monitor.ts
+++ b/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/edit_monitor.ts
@@ -272,7 +272,7 @@ export const syncEditedMonitor = async ({
       server.telemetry,
       formatTelemetryUpdateEvent(
         editedMonitorSavedObject as SavedObjectsUpdateResponse<EncryptedSyntheticsMonitorAttributes>,
-        decryptedPreviousMonitor,
+        decryptedPreviousMonitor.updated_at,
         server.stackVersion,
         Boolean((normalizedMonitor as MonitorFields)[ConfigKey.SOURCE_INLINE]),
         publicSyncErrors
diff --git a/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/get_monitor_project.ts b/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/get_monitor_project.ts
index b0b4eee392d56..ac55807f9412f 100644
--- a/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/get_monitor_project.ts
+++ b/x-pack/plugins/observability_solution/synthetics/server/routes/monitor_cruds/get_monitor_project.ts
@@ -32,7 +32,7 @@ export const getSyntheticsProjectMonitorsRoute: SyntheticsRestApiRouteFactory =
     } = routeContext;
 
     const { projectName } = request.params;
-    const { per_page: perPage = 500, search_after: searchAfter } = request.query;
+    const { per_page: perPage = 1000, search_after: searchAfter } = request.query;
     const decodedProjectName = decodeURI(projectName);
     const decodedSearchAfter = searchAfter ? decodeURI(searchAfter) : undefined;
 
diff --git a/x-pack/plugins/observability_solution/synthetics/server/routes/telemetry/monitor_upgrade_sender.test.ts b/x-pack/plugins/observability_solution/synthetics/server/routes/telemetry/monitor_upgrade_sender.test.ts
index 299ab62f09028..761472bb7fa8c 100644
--- a/x-pack/plugins/observability_solution/synthetics/server/routes/telemetry/monitor_upgrade_sender.test.ts
+++ b/x-pack/plugins/observability_solution/synthetics/server/routes/telemetry/monitor_upgrade_sender.test.ts
@@ -152,7 +152,7 @@ describe('monitor upgrade telemetry helpers', () => {
   it('handles formatting update events', () => {
     const actual = formatTelemetryUpdateEvent(
       createTestConfig({}, '2011-10-05T16:48:00.000Z'),
-      testConfig,
+      testConfig.updated_at,
       stackVersion,
       false,
       errors
diff --git a/x-pack/plugins/observability_solution/synthetics/server/routes/telemetry/monitor_upgrade_sender.ts b/x-pack/plugins/observability_solution/synthetics/server/routes/telemetry/monitor_upgrade_sender.ts
index f008d00a18536..f000108620f45 100644
--- a/x-pack/plugins/observability_solution/synthetics/server/routes/telemetry/monitor_upgrade_sender.ts
+++ b/x-pack/plugins/observability_solution/synthetics/server/routes/telemetry/monitor_upgrade_sender.ts
@@ -109,23 +109,22 @@ export function formatTelemetryEvent({
 
 export function formatTelemetryUpdateEvent(
   currentMonitor: SavedObjectsUpdateResponse<EncryptedSyntheticsMonitorAttributes>,
-  previousMonitor: SavedObject<EncryptedSyntheticsMonitorAttributes>,
+  previousMonitorUpdatedAt: string | undefined,
   stackVersion: string,
   isInlineScript: boolean,
   errors?: ServiceLocationErrors | null
 ) {
   let durationSinceLastUpdated: number = 0;
-  if (currentMonitor.updated_at && previousMonitor.updated_at) {
+  if (currentMonitor.updated_at && previousMonitorUpdatedAt) {
     durationSinceLastUpdated =
-      new Date(currentMonitor.updated_at).getTime() -
-      new Date(previousMonitor.updated_at).getTime();
+      new Date(currentMonitor.updated_at).getTime() - new Date(previousMonitorUpdatedAt).getTime();
   }
 
   return formatTelemetryEvent({
     stackVersion,
     monitor: currentMonitor as SavedObject<EncryptedSyntheticsMonitorAttributes>,
     durationSinceLastUpdated,
-    lastUpdatedAt: previousMonitor.updated_at,
+    lastUpdatedAt: previousMonitorUpdatedAt,
     isInlineScript,
     errors,
   });
diff --git a/x-pack/plugins/observability_solution/synthetics/server/synthetics_service/project_monitor/project_monitor_formatter.ts b/x-pack/plugins/observability_solution/synthetics/server/synthetics_service/project_monitor/project_monitor_formatter.ts
index 6069076e375a2..1fe5d30048418 100644
--- a/x-pack/plugins/observability_solution/synthetics/server/synthetics_service/project_monitor/project_monitor_formatter.ts
+++ b/x-pack/plugins/observability_solution/synthetics/server/synthetics_service/project_monitor/project_monitor_formatter.ts
@@ -45,6 +45,17 @@ import { normalizeProjectMonitor } from './normalizers';
 
 type FailedError = Array<{ id?: string; reason: string; details: string; payload?: object }>;
 
+export interface ExistingMonitor {
+  [ConfigKey.JOURNEY_ID]: string;
+  [ConfigKey.CONFIG_ID]: string;
+  [ConfigKey.REVISION]: number;
+  [ConfigKey.MONITOR_TYPE]: string;
+}
+
+export interface PreviousMonitorForUpdate extends ExistingMonitor {
+  updated_at?: string;
+}
+
 export const CANNOT_UPDATE_MONITOR_TO_DIFFERENT_TYPE = i18n.translate(
   'xpack.synthetics.service.projectMonitors.cannotUpdateMonitorToDifferentType',
   {
@@ -128,14 +139,13 @@ export class ProjectMonitorFormatter {
 
     const normalizedNewMonitors: SyntheticsMonitor[] = [];
     const normalizedUpdateMonitors: Array<{
-      previousMonitor: SavedObjectsFindResult<EncryptedSyntheticsMonitorAttributes>;
+      previousMonitor: PreviousMonitorForUpdate;
       monitor: SyntheticsMonitor;
     }> = [];
 
     for (const monitor of this.monitors) {
       const previousMonitor = existingMonitors.find(
-        (monitorObj) =>
-          (monitorObj.attributes as SyntheticsMonitor)[ConfigKey.JOURNEY_ID] === monitor.id
+        (monitorObj) => monitorObj[ConfigKey.JOURNEY_ID] === monitor.id
       );
 
       const normM = await this.validateProjectMonitor({
@@ -146,7 +156,7 @@ export class ProjectMonitorFormatter {
       if (normM) {
         if (
           previousMonitor &&
-          previousMonitor.attributes[ConfigKey.MONITOR_TYPE] !== normM[ConfigKey.MONITOR_TYPE]
+          previousMonitor[ConfigKey.MONITOR_TYPE] !== normM[ConfigKey.MONITOR_TYPE]
         ) {
           this.failedMonitors.push({
             reason: CANNOT_UPDATE_MONITOR_TO_DIFFERENT_TYPE,
@@ -157,7 +167,7 @@ export class ProjectMonitorFormatter {
                   'Monitor {monitorId} of type {previousType} cannot be updated to type {currentType}. Please delete the monitor first and try again.',
                 values: {
                   currentType: monitor.type,
-                  previousType: previousMonitor.attributes[ConfigKey.MONITOR_TYPE],
+                  previousType: previousMonitor[ConfigKey.MONITOR_TYPE],
                   monitorId: monitor.id,
                 },
               }
@@ -246,19 +256,33 @@ export class ProjectMonitorFormatter {
     }
   };
 
-  public getProjectMonitorsForProject = async () => {
-    const finder = this.savedObjectsClient.createPointInTimeFinder({
+  public getProjectMonitorsForProject = async (): Promise<PreviousMonitorForUpdate[]> => {
+    const journeyIds = this.monitors.map((monitor) => monitor.id);
+    const journeyFilter = getSavedObjectKqlFilter({
+      field: ConfigKey.JOURNEY_ID,
+      values: journeyIds,
+    });
+    const finder = this.savedObjectsClient.createPointInTimeFinder<ExistingMonitor>({
       type: syntheticsMonitorType,
       perPage: 5000,
-      filter: this.projectFilter,
+      filter: `${this.projectFilter} AND ${journeyFilter}`,
+      fields: [
+        ConfigKey.JOURNEY_ID,
+        ConfigKey.CONFIG_ID,
+        ConfigKey.REVISION,
+        ConfigKey.MONITOR_TYPE,
+      ],
     });
 
-    const hits: Array<SavedObjectsFindResult<EncryptedSyntheticsMonitorAttributes>> = [];
+    const hits: PreviousMonitorForUpdate[] = [];
     for await (const result of finder.find()) {
       hits.push(
-        ...(result.saved_objects as Array<
-          SavedObjectsFindResult<EncryptedSyntheticsMonitorAttributes>
-        >)
+        ...result.saved_objects.map((monitor) => {
+          return {
+            ...monitor.attributes,
+            updated_at: monitor.updated_at,
+          };
+        })
       );
     }
 
@@ -333,10 +357,8 @@ export class ProjectMonitorFormatter {
     }
   };
 
-  private getDecryptedMonitors = async (
-    monitors: Array<SavedObjectsFindResult<EncryptedSyntheticsMonitorAttributes>>
-  ) => {
-    const configIds = monitors.map((monitor) => monitor.attributes[ConfigKey.CONFIG_ID]);
+  private getDecryptedMonitors = async (monitors: PreviousMonitorForUpdate[]) => {
+    const configIds = monitors.map((monitor) => monitor[ConfigKey.CONFIG_ID]);
     const monitorFilter = getSavedObjectKqlFilter({
       field: ConfigKey.CONFIG_ID,
       values: configIds,
@@ -344,7 +366,7 @@ export class ProjectMonitorFormatter {
     const finder =
       await this.encryptedSavedObjectsClient.createPointInTimeFinderDecryptedAsInternalUser<SyntheticsMonitorWithSecretsAttributes>(
         {
-          search: monitorFilter,
+          filter: monitorFilter,
           type: syntheticsMonitorType,
           perPage: 500,
           namespaces: [this.spaceId],
@@ -365,7 +387,7 @@ export class ProjectMonitorFormatter {
   private updateMonitorsBulk = async (
     monitors: Array<{
       monitor: SyntheticsMonitor;
-      previousMonitor: SavedObjectsFindResult<EncryptedSyntheticsMonitorAttributes>;
+      previousMonitor: PreviousMonitorForUpdate;
     }>
   ): Promise<
     | {
@@ -390,10 +412,11 @@ export class ProjectMonitorFormatter {
       const monitorsToUpdate: MonitorConfigUpdate[] = [];
 
       decryptedPreviousMonitors.forEach((decryptedPreviousMonitor) => {
-        const monitor = monitors.find((m) => m.previousMonitor.id === decryptedPreviousMonitor.id);
+        const monitor = monitors.find(
+          (m) => m.previousMonitor[ConfigKey.CONFIG_ID] === decryptedPreviousMonitor.id
+        );
         if (monitor) {
           const normalizedMonitor = monitor?.monitor;
-          const previousMonitor = monitor?.previousMonitor;
           const {
             attributes: { [ConfigKey.REVISION]: _, ...normalizedPrevMonitorAttr },
           } = normalizeSecrets(decryptedPreviousMonitor);
@@ -401,11 +424,10 @@ export class ProjectMonitorFormatter {
           const monitorWithRevision = formatSecrets({
             ...normalizedPrevMonitorAttr,
             ...normalizedMonitor,
-            revision: (previousMonitor.attributes[ConfigKey.REVISION] || 0) + 1,
+            revision: (decryptedPreviousMonitor.attributes[ConfigKey.REVISION] || 0) + 1,
           });
           monitorsToUpdate.push({
             normalizedMonitor,
-            previousMonitor,
             monitorWithRevision,
             decryptedPreviousMonitor,
           });
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_management/logic/detection_rules_client/mergers/apply_rule_patch.test.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_management/logic/detection_rules_client/mergers/apply_rule_patch.test.ts
index 49592aff28f95..abf90c3f4dfc4 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_management/logic/detection_rules_client/mergers/apply_rule_patch.test.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_management/logic/detection_rules_client/mergers/apply_rule_patch.test.ts
@@ -453,4 +453,36 @@ describe('applyRulePatch', () => {
       })
     ).rejects.toThrowError('new_terms_fields: Expected array, received string');
   });
+
+  test('should retain existing required_fields when not present in rule patch body', async () => {
+    const rulePatch = {
+      name: 'new name',
+    } as PatchRuleRequestBody;
+    const existingRule = {
+      ...getRulesSchemaMock(),
+      required_fields: [
+        {
+          name: 'event.action',
+          type: 'keyword',
+          ecs: true,
+        },
+      ],
+    };
+    const patchedRule = await applyRulePatch({
+      rulePatch,
+      existingRule,
+      prebuiltRuleAssetClient,
+    });
+    expect(patchedRule).toEqual(
+      expect.objectContaining({
+        required_fields: [
+          {
+            name: 'event.action',
+            type: 'keyword',
+            ecs: true,
+          },
+        ],
+      })
+    );
+  });
 });
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_management/logic/detection_rules_client/mergers/apply_rule_patch.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_management/logic/detection_rules_client/mergers/apply_rule_patch.ts
index becc68f3d0075..9f5b167322491 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_management/logic/detection_rules_client/mergers/apply_rule_patch.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_management/logic/detection_rules_client/mergers/apply_rule_patch.ts
@@ -92,7 +92,9 @@ export const applyRulePatch = async ({
     meta: rulePatch.meta ?? existingRule.meta,
     max_signals: rulePatch.max_signals ?? existingRule.max_signals,
     related_integrations: rulePatch.related_integrations ?? existingRule.related_integrations,
-    required_fields: addEcsToRequiredFields(rulePatch.required_fields),
+    required_fields: rulePatch.required_fields
+      ? addEcsToRequiredFields(rulePatch.required_fields)
+      : existingRule.required_fields,
     risk_score: rulePatch.risk_score ?? existingRule.risk_score,
     risk_score_mapping: rulePatch.risk_score_mapping ?? existingRule.risk_score_mapping,
     rule_name_override: rulePatch.rule_name_override ?? existingRule.rule_name_override,
diff --git a/x-pack/plugins/session_view/server/routes/alert_status_route.ts b/x-pack/plugins/session_view/server/routes/alert_status_route.ts
index e0b95f9705e9d..64192198b5e46 100644
--- a/x-pack/plugins/session_view/server/routes/alert_status_route.ts
+++ b/x-pack/plugins/session_view/server/routes/alert_status_route.ts
@@ -31,6 +31,11 @@ export const registerAlertStatusRoute = (
     .addVersion(
       {
         version: '1',
+        security: {
+          authz: {
+            requiredPrivileges: ['securitySolution'],
+          },
+        },
         validate: {
           request: {
             query: schema.object({
diff --git a/x-pack/plugins/session_view/server/routes/alerts_route.ts b/x-pack/plugins/session_view/server/routes/alerts_route.ts
index c6b7fd8db7896..c875236989efe 100644
--- a/x-pack/plugins/session_view/server/routes/alerts_route.ts
+++ b/x-pack/plugins/session_view/server/routes/alerts_route.ts
@@ -36,6 +36,11 @@ export const registerAlertsRoute = (
     .addVersion(
       {
         version: '1',
+        security: {
+          authz: {
+            requiredPrivileges: ['securitySolution'],
+          },
+        },
         validate: {
           request: {
             query: schema.object({
diff --git a/x-pack/plugins/session_view/server/routes/get_total_io_bytes_route.ts b/x-pack/plugins/session_view/server/routes/get_total_io_bytes_route.ts
index 50f36ac47f5a4..7d54654c89cdc 100644
--- a/x-pack/plugins/session_view/server/routes/get_total_io_bytes_route.ts
+++ b/x-pack/plugins/session_view/server/routes/get_total_io_bytes_route.ts
@@ -22,6 +22,12 @@ export const registerGetTotalIOBytesRoute = (router: IRouter, logger: Logger) =>
     .addVersion(
       {
         version: '1',
+        security: {
+          authz: {
+            enabled: false,
+            reason: `This route delegates authorization to Elasticsearch and it's not tied to a Kibana privilege.`,
+          },
+        },
         validate: {
           request: {
             query: schema.object({
diff --git a/x-pack/plugins/session_view/server/routes/io_events_route.ts b/x-pack/plugins/session_view/server/routes/io_events_route.ts
index 9810f9da5aa77..3e73517a978c3 100644
--- a/x-pack/plugins/session_view/server/routes/io_events_route.ts
+++ b/x-pack/plugins/session_view/server/routes/io_events_route.ts
@@ -29,6 +29,12 @@ export const registerIOEventsRoute = (router: IRouter, logger: Logger) => {
     .addVersion(
       {
         version: '1',
+        security: {
+          authz: {
+            enabled: false,
+            reason: `This route delegates authorization to Elasticsearch and it's not tied to a Kibana privilege.`,
+          },
+        },
         validate: {
           request: {
             query: schema.object({
diff --git a/x-pack/plugins/session_view/server/routes/process_events_route.ts b/x-pack/plugins/session_view/server/routes/process_events_route.ts
index bc6b24fc36bc5..b30b3b6ddcc51 100644
--- a/x-pack/plugins/session_view/server/routes/process_events_route.ts
+++ b/x-pack/plugins/session_view/server/routes/process_events_route.ts
@@ -43,6 +43,12 @@ export const registerProcessEventsRoute = (
     .addVersion(
       {
         version: '1',
+        security: {
+          authz: {
+            enabled: false,
+            reason: `This route delegates authorization to Elasticsearch and it's not tied to a Kibana privilege.`,
+          },
+        },
         validate: {
           request: {
             query: schema.object({
diff --git a/x-pack/test/api_integration/apis/synthetics/get_monitor_project.ts b/x-pack/test/api_integration/apis/synthetics/get_monitor_project.ts
index 53089d2bec2d3..dd3fcbef3088d 100644
--- a/x-pack/test/api_integration/apis/synthetics/get_monitor_project.ts
+++ b/x-pack/test/api_integration/apis/synthetics/get_monitor_project.ts
@@ -95,6 +95,9 @@ export default function ({ getService }: FtrProviderContext) {
 
         const firstPageResponse = await supertest
           .get(SYNTHETICS_API_URLS.SYNTHETICS_MONITORS_PROJECT.replace('{projectName}', project))
+          .query({
+            per_page: 500,
+          })
           .set('kbn-xsrf', 'true')
           .send()
           .expect(200);
@@ -185,6 +188,9 @@ export default function ({ getService }: FtrProviderContext) {
 
         const firstPageResponse = await supertest
           .get(SYNTHETICS_API_URLS.SYNTHETICS_MONITORS_PROJECT.replace('{projectName}', project))
+          .query({
+            per_page: 500,
+          })
           .set('kbn-xsrf', 'true')
           .send()
           .expect(200);
@@ -279,6 +285,9 @@ export default function ({ getService }: FtrProviderContext) {
 
         const firstPageResponse = await supertest
           .get(SYNTHETICS_API_URLS.SYNTHETICS_MONITORS_PROJECT.replace('{projectName}', project))
+          .query({
+            per_page: 500,
+          })
           .set('kbn-xsrf', 'true')
           .send()
           .expect(200);
@@ -372,6 +381,9 @@ export default function ({ getService }: FtrProviderContext) {
           .expect(200);
         const firstPageResponse = await supertest
           .get(SYNTHETICS_API_URLS.SYNTHETICS_MONITORS_PROJECT.replace('{projectName}', project))
+          .query({
+            per_page: 500,
+          })
           .set('kbn-xsrf', 'true')
           .send()
           .expect(200);
@@ -481,6 +493,9 @@ export default function ({ getService }: FtrProviderContext) {
               encodeURI(projectName)
             )
           )
+          .query({
+            per_page: 500,
+          })
           .set('kbn-xsrf', 'true')
           .send()
           .expect(200);
diff --git a/x-pack/test/observability_ai_assistant_api_integration/configs/index.ts b/x-pack/test/observability_ai_assistant_api_integration/configs/index.ts
index 4a39c31b0a3a7..75f7bb628b4be 100644
--- a/x-pack/test/observability_ai_assistant_api_integration/configs/index.ts
+++ b/x-pack/test/observability_ai_assistant_api_integration/configs/index.ts
@@ -8,7 +8,6 @@
 import { mapValues } from 'lodash';
 import path from 'path';
 import { createTestConfig, CreateTestConfig } from '../common/config';
-import { SUPPORTED_TRAINED_MODELS } from '../../functional/services/ml/api';
 
 export const observabilityAIAssistantDebugLogger = {
   name: 'plugins.observabilityAIAssistant',
@@ -31,7 +30,6 @@ export const observabilityAIAssistantFtrConfigs = {
         __dirname,
         '../../../../test/analytics/plugins/analytics_ftr_helpers'
       ),
-      'xpack.observabilityAIAssistant.modelId': SUPPORTED_TRAINED_MODELS.TINY_ELSER.name, // TODO: Remove
     },
   },
 };
diff --git a/x-pack/test/observability_ai_assistant_api_integration/tests/knowledge_base/knowledge_base_setup.spec.ts b/x-pack/test/observability_ai_assistant_api_integration/tests/knowledge_base/knowledge_base_setup.spec.ts
index b8cacaaa58351..7903f4b53966a 100644
--- a/x-pack/test/observability_ai_assistant_api_integration/tests/knowledge_base/knowledge_base_setup.spec.ts
+++ b/x-pack/test/observability_ai_assistant_api_integration/tests/knowledge_base/knowledge_base_setup.spec.ts
@@ -34,7 +34,7 @@ export default function ApiTest({ getService }: FtrProviderContext) {
         .expect(200);
 
       expect(res.body.service_settings.model_id).to.be('pt_tiny_elser');
-      expect(res.body.inference_id).to.be('ai_assistant_kb_inference');
+      expect(res.body.inference_id).to.be('obs_ai_assistant_kb_inference');
 
       await deleteKnowledgeBaseModel(ml);
       await deleteInferenceEndpoint({ es });
diff --git a/x-pack/test/observability_ai_assistant_api_integration/tests/knowledge_base/knowledge_base_status.spec.ts b/x-pack/test/observability_ai_assistant_api_integration/tests/knowledge_base/knowledge_base_status.spec.ts
index 76ad2d06e344a..8c10a6128d302 100644
--- a/x-pack/test/observability_ai_assistant_api_integration/tests/knowledge_base/knowledge_base_status.spec.ts
+++ b/x-pack/test/observability_ai_assistant_api_integration/tests/knowledge_base/knowledge_base_status.spec.ts
@@ -77,7 +77,7 @@ export default function ApiTest({ getService }: FtrProviderContext) {
       expect(res.body.ready).to.be(false);
       expect(res.body.enabled).to.be(true);
       expect(res.body.errorMessage).to.include.string(
-        'Inference endpoint not found [ai_assistant_kb_inference]'
+        'Inference endpoint not found [obs_ai_assistant_kb_inference]'
       );
     });
   });
diff --git a/x-pack/test/security_solution_api_integration/test_suites/detections_response/rules_management/rule_patch/basic_license_essentials_tier/patch_rules.ts b/x-pack/test/security_solution_api_integration/test_suites/detections_response/rules_management/rule_patch/basic_license_essentials_tier/patch_rules.ts
index be8e76f058b14..86dde0735424e 100644
--- a/x-pack/test/security_solution_api_integration/test_suites/detections_response/rules_management/rule_patch/basic_license_essentials_tier/patch_rules.ts
+++ b/x-pack/test/security_solution_api_integration/test_suites/detections_response/rules_management/rule_patch/basic_license_essentials_tier/patch_rules.ts
@@ -285,6 +285,33 @@ export default ({ getService }: FtrProviderContext) => {
           );
         });
       });
+
+      it('should not change required_fields when not present in patch body', async () => {
+        await securitySolutionApi.createRule({
+          body: getCustomQueryRuleParams({
+            rule_id: 'rule-1',
+            required_fields: [
+              {
+                name: 'event.action',
+                type: 'keyword',
+              },
+            ],
+          }),
+        });
+
+        // patch a simple rule's name
+        const { body: patchedRule } = await securitySolutionApi
+          .patchRule({ body: { rule_id: 'rule-1', name: 'some other name' } })
+          .expect(200);
+
+        expect(patchedRule.required_fields).toEqual([
+          {
+            name: 'event.action',
+            type: 'keyword',
+            ecs: true,
+          },
+        ]);
+      });
     });
   });
 };
diff --git a/x-pack/test_serverless/api_integration/test_suites/observability/ai_assistant/config.ts b/x-pack/test_serverless/api_integration/test_suites/observability/ai_assistant/config.ts
index 14078f228c7c8..01e470d2a7d88 100644
--- a/x-pack/test_serverless/api_integration/test_suites/observability/ai_assistant/config.ts
+++ b/x-pack/test_serverless/api_integration/test_suites/observability/ai_assistant/config.ts
@@ -5,7 +5,6 @@
  * 2.0.
  */
 
-import { SUPPORTED_TRAINED_MODELS } from '@kbn/test-suites-xpack/functional/services/ml/api';
 import { createTestConfig } from '../../../config.base';
 import { ObservabilityAIAssistantServices } from './common/ftr_provider_context';
 import { services as inheritedServices } from '../../../services';
@@ -28,7 +27,4 @@ export default createTestConfig({
   // include settings from project controller
   // https://github.com/elastic/project-controller/blob/main/internal/project/observability/config/elasticsearch.yml
   esServerArgs: ['xpack.ml.dfa.enabled=false'],
-  kbnServerArgs: [
-    `--xpack.observabilityAIAssistant.modelId=${SUPPORTED_TRAINED_MODELS.TINY_ELSER.name}`, // TODO: Remove
-  ],
 });
diff --git a/x-pack/test_serverless/api_integration/test_suites/observability/ai_assistant/tests/knowledge_base/knowledge_base_setup.spec.ts b/x-pack/test_serverless/api_integration/test_suites/observability/ai_assistant/tests/knowledge_base/knowledge_base_setup.spec.ts
index a792b01b0e2cb..eeef06464c9d6 100644
--- a/x-pack/test_serverless/api_integration/test_suites/observability/ai_assistant/tests/knowledge_base/knowledge_base_setup.spec.ts
+++ b/x-pack/test_serverless/api_integration/test_suites/observability/ai_assistant/tests/knowledge_base/knowledge_base_setup.spec.ts
@@ -56,7 +56,7 @@ export default function ApiTest({ getService }: FtrProviderContext) {
         .expect(200);
 
       expect(res.body.service_settings.model_id).to.be('pt_tiny_elser');
-      expect(res.body.inference_id).to.be('ai_assistant_kb_inference');
+      expect(res.body.inference_id).to.be('obs_ai_assistant_kb_inference');
 
       await deleteKnowledgeBaseModel(ml);
       await deleteInferenceEndpoint({ es });
diff --git a/x-pack/test_serverless/functional/test_suites/search/elasticsearch_start.ts b/x-pack/test_serverless/functional/test_suites/search/elasticsearch_start.ts
index 39228137cf7d7..ba370871c07ff 100644
--- a/x-pack/test_serverless/functional/test_suites/search/elasticsearch_start.ts
+++ b/x-pack/test_serverless/functional/test_suites/search/elasticsearch_start.ts
@@ -26,7 +26,8 @@ export default function ({ getPageObjects, getService }: FtrProviderContext) {
     await esDeleteAllIndices(['search-*', 'test-*']);
   };
 
-  describe('Elasticsearch Start [Onboarding Empty State]', function () {
+  // Failing: See https://github.com/elastic/kibana/issues/200020
+  describe.skip('Elasticsearch Start [Onboarding Empty State]', function () {
     describe('developer', function () {
       before(async () => {
         await pageObjects.svlCommonPage.loginWithRole('developer');
diff --git a/yarn.lock b/yarn.lock
index 7928ba1c7287a..b46f4a8fd75e5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1394,10 +1394,10 @@
   resolved "https://registry.yarnpkg.com/@bazel/ibazel/-/ibazel-0.16.2.tgz#05dd7f06659759fda30f87b15534f1e42f1201bb"
   integrity sha512-KgqAWMH0emL6f3xH6nqyTryoBMqlJ627LBIe9PT1PRRQPz2FtHib3FIHJPukp1slzF3hJYZvdiVwgPnHbaSOOA==
 
-"@bazel/runfiles@^5.8.1":
-  version "5.8.1"
-  resolved "https://registry.yarnpkg.com/@bazel/runfiles/-/runfiles-5.8.1.tgz#737d5b3dc9739767054820265cfe432a80564c82"
-  integrity sha512-NDdfpdQ6rZlylgv++iMn5FkObC/QlBQvipinGLSOguTYpRywmieOyJ29XHvUilspwTFSILWpoE9CqMGkHXug1g==
+"@bazel/runfiles@^6.3.1":
+  version "6.3.1"
+  resolved "https://registry.yarnpkg.com/@bazel/runfiles/-/runfiles-6.3.1.tgz#3f8824b2d82853377799d42354b4df78ab0ace0b"
+  integrity sha512-1uLNT5NZsUVIGS4syuHwTzZ8HycMPyr6POA3FCE4GbMtc4rhoJk8aZKtNIRthJYfL+iioppi+rTfH3olMPr9nA==
 
 "@bazel/typescript@4.6.2":
   version "4.6.2"
@@ -7451,25 +7451,25 @@
   dependencies:
     ncp "^2.0.0"
 
-"@launchdarkly/js-sdk-common@2.11.0":
-  version "2.11.0"
-  resolved "https://registry.yarnpkg.com/@launchdarkly/js-sdk-common/-/js-sdk-common-2.11.0.tgz#efc0c94ee4b11d72910c5bcdf9294154a27dbb1c"
-  integrity sha512-96Jg4QH347w2+rL4Bpykqw28+HHUAW4HapjIkIfM3giELK7BwXUp3BiAVxo2ax78e7A7KqvMzPJUx5r2EGpkMw==
+"@launchdarkly/js-sdk-common@2.12.0":
+  version "2.12.0"
+  resolved "https://registry.yarnpkg.com/@launchdarkly/js-sdk-common/-/js-sdk-common-2.12.0.tgz#c22eb9fead687260d916a75f693c7d399f085b05"
+  integrity sha512-HIDxvgo1vksC9hsYy3517sgW0Ql+iW3fgwlq/CEigeBNmaa9/J1Pxo7LrKPzezEA0kaGedmt/DCzVVxVBmxSsQ==
 
-"@launchdarkly/js-server-sdk-common@2.9.0":
-  version "2.9.0"
-  resolved "https://registry.yarnpkg.com/@launchdarkly/js-server-sdk-common/-/js-server-sdk-common-2.9.0.tgz#337d13d4bec596f6244b9723f7ec718ee087bfa5"
-  integrity sha512-hf/qkn+NvCkyoLl6fl+4Q737p4Jg3T+RnRqdkJDMxO+8aAI+vpXuD9bbhkgYA9XFHyQ9puhufRGzX1BX26b7Rg==
+"@launchdarkly/js-server-sdk-common@2.9.1":
+  version "2.9.1"
+  resolved "https://registry.yarnpkg.com/@launchdarkly/js-server-sdk-common/-/js-server-sdk-common-2.9.1.tgz#a683d682897c20a6967f5454d932663e4da6fc5c"
+  integrity sha512-BGIjcfel1hURvX4hM4iVruWecWMntRzh1UuPtV0uOYnXLuETp5lfpqBB6KzFoERnEZoCyX6Tmo+tPFVwteIUGA==
   dependencies:
-    "@launchdarkly/js-sdk-common" "2.11.0"
+    "@launchdarkly/js-sdk-common" "2.12.0"
     semver "7.5.4"
 
-"@launchdarkly/node-server-sdk@^9.7.0":
-  version "9.7.0"
-  resolved "https://registry.yarnpkg.com/@launchdarkly/node-server-sdk/-/node-server-sdk-9.7.0.tgz#87223c2d3ab5fc7186065a0974960c94f73573ad"
-  integrity sha512-ABOsjcjH9pFdyG1m5++lhP+ngxfx4GMcIfgTp0iSPncuh0dMxCCWSx831gbhxR9M+f2x4EnsQ9HEdwnmwktb9g==
+"@launchdarkly/node-server-sdk@^9.7.1":
+  version "9.7.1"
+  resolved "https://registry.yarnpkg.com/@launchdarkly/node-server-sdk/-/node-server-sdk-9.7.1.tgz#bb228e5f8c4c7ca52579f909e4150b9a749b04a9"
+  integrity sha512-razZ/ine5hfHiS7ZNfM1r/G7GNDQ+wHV0pRN2A0Yk5spZTmT/ecu67e+aXu/KAfEQyL0V4ofEkXJpeGl7TYJ5Q==
   dependencies:
-    "@launchdarkly/js-server-sdk-common" "2.9.0"
+    "@launchdarkly/js-server-sdk-common" "2.9.1"
     https-proxy-agent "^5.0.1"
     launchdarkly-eventsource "2.0.3"
 
@@ -11338,10 +11338,10 @@
   resolved "https://registry.yarnpkg.com/@types/seedrandom/-/seedrandom-2.4.28.tgz#9ce8fa048c1e8c85cb71d7fe4d704e000226036f"
   integrity sha512-SMA+fUwULwK7sd/ZJicUztiPs8F1yCPwF3O23Z9uQ32ME5Ha0NmDK9+QTsYE4O2tHXChzXomSWWeIhCnoN1LqA==
 
-"@types/selenium-webdriver@^4.1.26":
-  version "4.1.26"
-  resolved "https://registry.yarnpkg.com/@types/selenium-webdriver/-/selenium-webdriver-4.1.26.tgz#09c696a341cf8cfc1641cded11d14813350b6ca9"
-  integrity sha512-PUgqsyNffal0eAU0bzGlh37MJo558aporAPZoKqBeB/pF7zhKl1S3zqza0GpwFqgoigNxWhEIJzru75eeYco/w==
+"@types/selenium-webdriver@^4.1.27":
+  version "4.1.27"
+  resolved "https://registry.yarnpkg.com/@types/selenium-webdriver/-/selenium-webdriver-4.1.27.tgz#e08000d649df6f099b4099432bd2fece9f50ea7b"
+  integrity sha512-ALqsj8D7Swb6MnBQuAQ58J3KC3yh6fLGtAmpBmnZX8j+0kmP7NaLt56CuzBw2W2bXPrvHFTgn8iekOQFUKXEQA==
   dependencies:
     "@types/node" "*"
     "@types/ws" "*"
@@ -11771,10 +11771,10 @@
   resolved "https://registry.yarnpkg.com/@ungap/structured-clone/-/structured-clone-1.2.0.tgz#756641adb587851b5ccb3e095daf27ae581c8406"
   integrity sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ==
 
-"@wdio/logger@^9.0.0":
-  version "9.0.4"
-  resolved "https://registry.yarnpkg.com/@wdio/logger/-/logger-9.0.4.tgz#63e901b9f0f29fa1ded5af54006fbd4df2354c33"
-  integrity sha512-b6gcu0PTVb3fgK4kyAH/k5UUWN5FOUdAfhA4PAY/IZvxZTMFYMqnrZb0WRWWWqL6nu9pcrOVtCOdPBvj0cb+Nw==
+"@wdio/logger@^9.1.3":
+  version "9.1.3"
+  resolved "https://registry.yarnpkg.com/@wdio/logger/-/logger-9.1.3.tgz#b64b3d2ac642498f3c97580e2f0971f13c1e8fbb"
+  integrity sha512-cumRMK/gE1uedBUw3WmWXOQ7HtB6DR8EyKQioUz2P0IJtRRpglMBdZV7Svr3b++WWawOuzZHMfbTkJQmaVt8Gw==
   dependencies:
     chalk "^5.1.2"
     loglevel "^1.6.0"
@@ -12154,10 +12154,10 @@
   resolved "https://registry.yarnpkg.com/@yarnpkg/lockfile/-/lockfile-1.1.0.tgz#e77a97fbd345b76d83245edcd17d393b1b41fb31"
   integrity sha512-GpSwvyXOcOOlV70vbnzjj4fW5xW/FdUF6nQEt1ENy7m4ZCczi1+/buVUPAqmGfqznsORNFzUMjctTIp8a9tuCQ==
 
-"@zip.js/zip.js@^2.7.48":
-  version "2.7.51"
-  resolved "https://registry.yarnpkg.com/@zip.js/zip.js/-/zip.js-2.7.51.tgz#a434e285048b951a5788d3d2d59aa68f209e7141"
-  integrity sha512-RKHaebzZZgQkUuzb49/qweN69e8Np9AUZ9QygydDIrbG1njypSAKwkeqIVeuf2JVGBDyB7Z9HKvzPgYrSlv9gw==
+"@zip.js/zip.js@^2.7.53":
+  version "2.7.53"
+  resolved "https://registry.yarnpkg.com/@zip.js/zip.js/-/zip.js-2.7.53.tgz#bf88e90d8eed562182c01339643bc405446b0578"
+  integrity sha512-G6Bl5wN9EXXVaTUIox71vIX5Z454zEBe+akKpV4m1tUboIctT5h7ID3QXCJd/Lfy2rSvmkTmZIucf1jGRR4f5A==
 
 a-sync-waterfall@^1.0.0:
   version "1.0.1"
@@ -14222,10 +14222,10 @@ chrome-trace-event@^1.0.2:
   dependencies:
     tslib "^1.9.0"
 
-chromedriver@^130.0.1:
-  version "130.0.1"
-  resolved "https://registry.yarnpkg.com/chromedriver/-/chromedriver-130.0.1.tgz#24fd5b2c9c9df4ebfc5d28c94eca8658915fbe15"
-  integrity sha512-JH+OxDZ7gVv02r9oXwj4mQ8JCtj62g0fCD1LMUUYdB/4mPxn/E2ys+1IzXItoE7vXM9fGVc9R1akvXLqwwuSww==
+chromedriver@^130.0.4:
+  version "130.0.4"
+  resolved "https://registry.yarnpkg.com/chromedriver/-/chromedriver-130.0.4.tgz#55225ddfec428e306116507651f5a24fdb299bd6"
+  integrity sha512-lpR+PWXszij1k4Ig3t338Zvll9HtCTiwoLM7n4pCCswALHxzmgwaaIFBh3rt9+5wRk9D07oFblrazrBxwaYYAQ==
   dependencies:
     "@testim/chrome-version" "^1.1.4"
     axios "^1.7.4"
@@ -18607,19 +18607,19 @@ gcp-metadata@^6.1.0:
     gaxios "^6.0.0"
     json-bigint "^1.0.0"
 
-geckodriver@^4.5.1:
-  version "4.5.1"
-  resolved "https://registry.yarnpkg.com/geckodriver/-/geckodriver-4.5.1.tgz#624fc01815c1aa498dd3f717f7bd4c6cca0c57b8"
-  integrity sha512-lGCRqPMuzbRNDWJOQcUqhNqPvNsIFu6yzXF8J/6K3WCYFd2r5ckbeF7h1cxsnjA7YLSEiWzERCt6/gjZ3tW0ug==
+geckodriver@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/geckodriver/-/geckodriver-5.0.0.tgz#88437f3812075988bb05b5e19dc4aaa42d200577"
+  integrity sha512-vn7TtQ3b9VMJtVXsyWtQQl1fyBVFhQy7UvJF96kPuuJ0or5THH496AD3eUyaDD11+EqCxH9t6V+EP9soZQk4YQ==
   dependencies:
-    "@wdio/logger" "^9.0.0"
-    "@zip.js/zip.js" "^2.7.48"
+    "@wdio/logger" "^9.1.3"
+    "@zip.js/zip.js" "^2.7.53"
     decamelize "^6.0.0"
     http-proxy-agent "^7.0.2"
     https-proxy-agent "^7.0.5"
     node-fetch "^3.3.2"
     tar-fs "^3.0.6"
-    which "^4.0.0"
+    which "^5.0.0"
 
 gensync@^1.0.0-beta.1, gensync@^1.0.0-beta.2:
   version "1.0.0-beta.2"
@@ -28133,12 +28133,12 @@ select-hose@^2.0.0:
   resolved "https://registry.yarnpkg.com/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
   integrity sha1-Yl2GWPhlr0Psliv8N2o3NZpJlMo=
 
-selenium-webdriver@^4.25.0:
-  version "4.25.0"
-  resolved "https://registry.yarnpkg.com/selenium-webdriver/-/selenium-webdriver-4.25.0.tgz#3562b49668817974bb1d13d25a50e8bc0264fcf3"
-  integrity sha512-zl9IX93caOT8wbcCpZzAkEtYa+hNgJ4C5GUN8uhpzggqRLvsg1asfKi0p1uNZC8buYVvsBZbx8S+9MjVAjs4oA==
+selenium-webdriver@^4.26.0:
+  version "4.26.0"
+  resolved "https://registry.yarnpkg.com/selenium-webdriver/-/selenium-webdriver-4.26.0.tgz#23163cdad20388214a4ad17c1f38262a0857c902"
+  integrity sha512-nA7jMRIPV17mJmAiTDBWN96Sy0Uxrz5CCLb7bLVV6PpL417SyBMPc2Zo/uoREc2EOHlzHwHwAlFtgmSngSY4WQ==
   dependencies:
-    "@bazel/runfiles" "^5.8.1"
+    "@bazel/runfiles" "^6.3.1"
     jszip "^3.10.1"
     tmp "^0.2.3"
     ws "^8.18.0"
@@ -32178,10 +32178,10 @@ which@^2.0.1:
   dependencies:
     isexe "^2.0.0"
 
-which@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/which/-/which-4.0.0.tgz#cd60b5e74503a3fbcfbf6cd6b4138a8bae644c1a"
-  integrity sha512-GlaYyEb07DPxYCKhKzplCWBJtvxZcZMrL+4UkrTSJHHPyZU4mYYTv3qaOe77H7EODLSSopAUFAc6W8U4yqvscg==
+which@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/which/-/which-5.0.0.tgz#d93f2d93f79834d4363c7d0c23e00d07c466c8d6"
+  integrity sha512-JEdGzHwwkrbWoGOlIHqQ5gtprKGOenpDHpxE9zVR1bWbOtYRyPPHMe9FaP6x61CmNaTThSkb0DAJte5jD+DmzQ==
   dependencies:
     isexe "^3.1.1"