Remove --no-experimental-require-module from node.options

.buildkite/scripts/steps/test/jest_parallel.sh

@@ -54,7 +54,7 @@ echo "--- Running combined jest_all for configs ($TEST_TYPE)"
 echo "$configs"
 echo "JEST_MAX_PARALLEL is set to: $JEST_MAX_PARALLEL"
 
-node_opts="--max-old-space-size=${JEST_MAX_OLD_SPACE_MB} --trace-warnings --no-experimental-require-module"
+node_opts="--max-old-space-size=${JEST_MAX_OLD_SPACE_MB} --trace-warnings"
 if [[ "${TEST_ENABLE_FIPS_VERSION:-}" == "140-2" ]] || [[ "${TEST_ENABLE_FIPS_VERSION:-}" == "140-3" ]] ; then
   node_opts="$node_opts --enable-fips --openssl-config=$HOME/nodejs.cnf"
 fi

config/node.options

@@ -10,6 +10,3 @@
 
 ## restore < Node 16 default DNS lookup behavior
 --dns-result-order=ipv4first
-
-## disable ES modules until stable
---no-experimental-require-module

package.json

@@ -39,35 +39,35 @@
   "author": "Rashid Khan <rashid.khan@elastic.co>",
   "scripts": {
     "backport-skip-ci": "backport --prDescription \"[skip-ci]\"",
-    "build": "node --no-experimental-require-module scripts/build --all-platforms",
-    "build:apidocs": "node --no-experimental-require-module scripts/build_api_docs",
-    "checkLicenses": "node --no-experimental-require-module scripts/check_licenses --dev",
-    "debug": "node --no-experimental-require-module --nolazy --inspect scripts/kibana --dev",
-    "debug-break": "node --no-experimental-require-module --nolazy --inspect-brk scripts/kibana --dev",
+    "build": "node scripts/build --all-platforms",
+    "build:apidocs": "node scripts/build_api_docs",
+    "checkLicenses": "node scripts/check_licenses --dev",
+    "debug": "node --nolazy --inspect scripts/kibana --dev",
+    "debug-break": "node --nolazy --inspect-brk scripts/kibana --dev",
     "dev-docs": "scripts/dev_docs.sh",
-    "es": "node --no-experimental-require-module scripts/es",
-    "preinstall": "node --no-experimental-require-module ./preinstall_check",
-    "kbn": "node --no-experimental-require-module scripts/kbn",
+    "es": "node scripts/es",
+    "preinstall": "node ./preinstall_check",
+    "kbn": "node scripts/kbn",
     "lint": "yarn run lint:es && yarn run lint:style",
-    "lint:es": "node --no-experimental-require-module scripts/eslint_all_files",
-    "lint:oxc": "node --no-experimental-require-module scripts/lint",
-    "lint:style": "node --no-experimental-require-module scripts/stylelint",
-    "makelogs": "node --no-experimental-require-module scripts/makelogs",
-    "quick-checks": "node --no-experimental-require-module scripts/quick_checks",
-    "serverless": "node --no-experimental-require-module scripts/kibana --dev --serverless",
-    "serverless-es": "node --no-experimental-require-module scripts/kibana --dev --serverless=es",
-    "serverless-oblt": "node --no-experimental-require-module scripts/kibana --dev --serverless=oblt",
-    "serverless-security": "node --no-experimental-require-module scripts/kibana --dev --serverless=security",
-    "serverless-workplace-ai": "node --no-experimental-require-module scripts/kibana --dev --serverless=workplaceai",
-    "spec_to_console": "node --no-experimental-require-module scripts/spec_to_console",
-    "start": "node --no-experimental-require-module scripts/kibana --dev",
-    "storybook": "node --no-experimental-require-module scripts/storybook",
-    "test:ftr": "node --no-experimental-require-module scripts/functional_tests",
-    "test:ftr:runner": "node --no-experimental-require-module scripts/functional_test_runner",
-    "test:ftr:server": "node --no-experimental-require-module scripts/functional_tests_server",
-    "test:jest": "node --no-experimental-require-module scripts/jest",
-    "test:jest_integration": "node --no-experimental-require-module scripts/jest_integration",
-    "test:type_check": "node --no-experimental-require-module scripts/type_check"
+    "lint:es": "node scripts/eslint_all_files",
+    "lint:oxc": "node scripts/lint",
+    "lint:style": "node scripts/stylelint",
+    "makelogs": "node scripts/makelogs",
+    "quick-checks": "node scripts/quick_checks",
+    "serverless": "node scripts/kibana --dev --serverless",
+    "serverless-es": "node scripts/kibana --dev --serverless=es",
+    "serverless-oblt": "node scripts/kibana --dev --serverless=oblt",
+    "serverless-security": "node scripts/kibana --dev --serverless=security",
+    "serverless-workplace-ai": "node scripts/kibana --dev --serverless=workplaceai",
+    "spec_to_console": "node scripts/spec_to_console",
+    "start": "node scripts/kibana --dev",
+    "storybook": "node scripts/storybook",
+    "test:ftr": "node scripts/functional_tests",
+    "test:ftr:runner": "node scripts/functional_test_runner",
+    "test:ftr:server": "node scripts/functional_tests_server",
+    "test:jest": "node scripts/jest",
+    "test:jest_integration": "node scripts/jest_integration",
+    "test:type_check": "node scripts/type_check"
   },
   "repository": {
     "type": "git",

src/cli/kibana/dev.js

@@ -26,12 +26,6 @@ if (collectExtendedStackTrace) {
 }
 // More info in https://trace.js.org/
 
-if (process.features.require_module) {
-  console.warn(
-    "Node.js's experimental support for native ES modules is enabled.  This will not be enabled in production while the feature is experimental.  It is recommended to add `--no-experimental-require-module` to NODE_OPTIONS."
-  );
-}
-
 require('@kbn/setup-node-env');
 
 require('./apm')(process.env.ELASTIC_APM_SERVICE_NAME || 'kibana-proxy');

src/platform/packages/shared/kbn-mcp-dev-server/README.md

@@ -25,7 +25,7 @@ Add the following snippet to your settings for your AI Coding IDE so it will aut
       "command": "bash",
       "args": [
         "-lc",
-        "source \"$NVM_DIR/nvm.sh\" && cd ${KIBANA_WORKSPACE} && nvm use --silent && node --no-experimental-require-module ./scripts/mcp_dev.js"
+        "source \"$NVM_DIR/nvm.sh\" && cd ${KIBANA_WORKSPACE} && nvm use --silent && node ./scripts/mcp_dev.js"
       ]
     }
   }

src/platform/packages/shared/kbn-mcp-dev-server/src/tools/run_ci_checks.test.ts

@@ -232,7 +232,7 @@ describe('runCiChecksTool', () => {
       });
 
       expect(mockedExeca.command).toHaveBeenCalledWith(
-        'node --no-experimental-require-module scripts/build_kibana_platform_plugins',
+        'node scripts/build_kibana_platform_plugins',
         {
           cwd: '/repo/root',
           stdio: 'pipe',

src/platform/packages/shared/kbn-mcp-dev-server/src/tools/run_ci_checks.ts

@@ -60,7 +60,7 @@ interface CiChecksResult {
 const CI_CHECKS = {
   build: {
     name: 'Build Kibana Distribution',
-    command: 'node --no-experimental-require-module scripts/build_kibana_platform_plugins',
+    command: 'node scripts/build_kibana_platform_plugins',
     description: 'Build Kibana platform plugins',
   },
   quick_checks: {
@@ -80,12 +80,12 @@ const CI_CHECKS = {
   },
   linting_with_types: {
     name: 'Linting (with types)',
-    command: 'node --no-experimental-require-module scripts/eslint_with_types',
+    command: 'node scripts/eslint_with_types',
     description: 'Run ESLint with type checking',
   },
   oas_snapshot: {
     name: 'OAS Snapshot',
-    command: 'node --no-experimental-require-module scripts/validate_oas_docs',
+    command: 'node scripts/validate_oas_docs',
     description: 'Validate OpenAPI documentation',
   },
 };