diff --git a/core/api/package.json b/core/api/package.json
index 35024bfb2..a2a7fb53e 100644
--- a/core/api/package.json
+++ b/core/api/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/async-assert/package.json b/core/async-assert/package.json
index a959b5e82..58a02696b 100644
--- a/core/async-assert/package.json
+++ b/core/async-assert/package.json
@@ -15,7 +15,8 @@
     "url": "git+https://github.com/ringcentral/testring.git"
   },
   "scripts": {
-    "test": "echo \"Error: run tests from root\" && exit 1"
+    "test": "echo \"Error: run tests from root\" && exit 1",
+    "build": "tsc -p tsconfig.build.json"
   },
   "bugs": {
     "url": "https://github.com/ringcentral/testring/issues"
diff --git a/core/async-breakpoints/package.json b/core/async-breakpoints/package.json
index afaaafa34..911f02025 100644
--- a/core/async-breakpoints/package.json
+++ b/core/async-breakpoints/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "bugs": {
diff --git a/core/child-process/package.json b/core/child-process/package.json
index 7ecb3877e..3eefcca93 100644
--- a/core/child-process/package.json
+++ b/core/child-process/package.json
@@ -11,6 +11,9 @@
     "@testring/types": "0.8.1",
     "@testring/utils": "0.8.1"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT"
 }
diff --git a/core/cli-config/package.json b/core/cli-config/package.json
index bbdeb51f3..b6bf6012f 100644
--- a/core/cli-config/package.json
+++ b/core/cli-config/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/cli/package.json b/core/cli/package.json
index d29680b72..45e406882 100644
--- a/core/cli/package.json
+++ b/core/cli/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/dependencies-builder/package.json b/core/dependencies-builder/package.json
index 3acb24484..47bca1f9b 100644
--- a/core/dependencies-builder/package.json
+++ b/core/dependencies-builder/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/fs-reader/package.json b/core/fs-reader/package.json
index a0654f7f6..ae4168061 100644
--- a/core/fs-reader/package.json
+++ b/core/fs-reader/package.json
@@ -10,7 +10,8 @@
   "author": "RingCentral",
   "license": "MIT",
   "scripts": {
-    "test:performance": "mocha --performance --reporter spec"
+    "test:performance": "mocha --performance --reporter spec",
+    "build": "tsc -p tsconfig.build.json"
   },
   "dependencies": {
     "@testring/logger": "0.8.1",
diff --git a/core/fs-store/package.json b/core/fs-store/package.json
index f32509de5..8ee2e203a 100644
--- a/core/fs-store/package.json
+++ b/core/fs-store/package.json
@@ -24,7 +24,8 @@
     "@testring/utils": "0.8.1"
   },
   "scripts": {
-    "test": "mocha"
+    "test": "mocha",
+    "build": "tsc -p tsconfig.build.json"
   },
   "bugs": {
     "url": "https://github.com/ringcentral/testring/issues"
diff --git a/core/logger/package.json b/core/logger/package.json
index 5a5277aa6..c0f1c5aff 100644
--- a/core/logger/package.json
+++ b/core/logger/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/pluggable-module/package.json b/core/pluggable-module/package.json
index 89f9167a0..fbd0287d8 100644
--- a/core/pluggable-module/package.json
+++ b/core/pluggable-module/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/plugin-api/package.json b/core/plugin-api/package.json
index 424cd0451..ade620f93 100644
--- a/core/plugin-api/package.json
+++ b/core/plugin-api/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/sandbox/package.json b/core/sandbox/package.json
index f00f98d31..43ed0bca0 100644
--- a/core/sandbox/package.json
+++ b/core/sandbox/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/test-run-controller/package.json b/core/test-run-controller/package.json
index b750ac29f..1adbb6829 100644
--- a/core/test-run-controller/package.json
+++ b/core/test-run-controller/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/test-worker/package.json b/core/test-worker/package.json
index 063ccc47a..b5014bc84 100644
--- a/core/test-worker/package.json
+++ b/core/test-worker/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/testring/package.json b/core/testring/package.json
index 53eaa799f..4675bef8a 100644
--- a/core/testring/package.json
+++ b/core/testring/package.json
@@ -11,6 +11,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/transport/package.json b/core/transport/package.json
index b1239c589..7f18b38d9 100644
--- a/core/transport/package.json
+++ b/core/transport/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/types/package.json b/core/types/package.json
index 14980569e..ccb4089c0 100644
--- a/core/types/package.json
+++ b/core/types/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/core/utils/package.json b/core/utils/package.json
index 9daabf320..714e6c995 100644
--- a/core/utils/package.json
+++ b/core/utils/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/package.json b/package.json
index 42da099a0..4703067d7 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "test:ci": "npm run test:coverage && npm run test:e2e",
     "build": "npm run build:main && npm run build:devtool && npm run build:extension",
     "build:watch": "lerna exec --ignore=\"@testring/@(e2e-test-app|devtool-frontend|devtool-extension|ui-kit)\" --parallel -- tsc --watch --inlineSourceMap",
-    "build:main": "lerna exec --ignore=\"@testring/@(e2e-test-app|devtool-frontend|devtool-extension|ui-kit)\" -- tsc -p tsconfig.build.json",
+    "build:main": "lerna run build --ignore=\"@testring/@(e2e-test-app|devtool-frontend|devtool-extension|ui-kit)\"",
     "check-types:main": "lerna exec --ignore=\"@testring/@(e2e-test-app|devtool-frontend|devtool-extension|ui-kit)\" -- tsc",
     "build:devtool": "lerna run --stream --scope @testring/devtool-frontend build",
     "build:extension": "lerna run --stream --scope @testring/devtool-extension build",
diff --git a/packages/browser-proxy/package.json b/packages/browser-proxy/package.json
index bd997fcda..c46003bc8 100644
--- a/packages/browser-proxy/package.json
+++ b/packages/browser-proxy/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/packages/client-ws-transport/package.json b/packages/client-ws-transport/package.json
index b43f44e18..3c8a5f4e6 100644
--- a/packages/client-ws-transport/package.json
+++ b/packages/client-ws-transport/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/packages/devtool-backend/package.json b/packages/devtool-backend/package.json
index eb55928ec..1de2a6e68 100644
--- a/packages/devtool-backend/package.json
+++ b/packages/devtool-backend/package.json
@@ -10,7 +10,8 @@
   "license": "MIT",
   "scripts": {
     "start": "ts-node src/test-server.ts",
-    "start:watch": "nodemon --watch 'src/**/*' -e ts,tsx --exec 'ts-node' ./src/index.ts"
+    "start:watch": "nodemon --watch 'src/**/*' -e ts,tsx --exec 'ts-node' ./src/index.ts",
+    "build": "tsc -p tsconfig.build.json"
   },
   "dependencies": {
     "@testring/child-process": "0.8.1",
diff --git a/packages/devtool-extension/static/manifest.json b/packages/devtool-extension/static/manifest.json
index e74cf3708..e05dc8bfb 100644
--- a/packages/devtool-extension/static/manifest.json
+++ b/packages/devtool-extension/static/manifest.json
@@ -1,6 +1,9 @@
 {
   "manifest_version": 2,
   "name": "TestRing",
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "description": "TestRing recording extension.",
   "browser_action": {
diff --git a/packages/download-collector-crx/package.json b/packages/download-collector-crx/package.json
index 815cab225..ae957f106 100644
--- a/packages/download-collector-crx/package.json
+++ b/packages/download-collector-crx/package.json
@@ -10,10 +10,11 @@
     "author": "RingCentral",
     "license": "MIT",
     "scripts": {
-        "postinstall": "shx mkdir -p dist && crx pack src/extension -o dist/extension.crx"
+        "postinstall": "shx mkdir -p dist && crx pack src/extension -o dist/extension.crx",
+        "build": "tsc -p tsconfig.build.json"
     },
     "dependencies": {
         "crx": "5.0.1",
         "shx": "0.3.4"
     }
-}
+}
\ No newline at end of file
diff --git a/packages/e2e-test-app/test/selenium/config.coverage.js b/packages/e2e-test-app/test/selenium/config.coverage.js
index 362890ce1..ade5e284d 100644
--- a/packages/e2e-test-app/test/selenium/config.coverage.js
+++ b/packages/e2e-test-app/test/selenium/config.coverage.js
@@ -45,6 +45,7 @@ module.exports = async (config) => {
                 {
                     clientTimeout: 60000,
                     path: '/wd/hub',
+                    localVersion: 'v4',
                     chromeDriverPath: process.env['CHROMEDRIVER_PATH'] || chromedriver.executablePath,
                     workerLimit: 'local',
                     capabilities: local
diff --git a/packages/element-path/package.json b/packages/element-path/package.json
index 789154c42..fe42cbfc1 100644
--- a/packages/element-path/package.json
+++ b/packages/element-path/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT"
 }
diff --git a/packages/http-api/package.json b/packages/http-api/package.json
index 43826c835..d388cad31 100644
--- a/packages/http-api/package.json
+++ b/packages/http-api/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/packages/plugin-babel/package.json b/packages/plugin-babel/package.json
index 7af26292a..0d11ca6fe 100644
--- a/packages/plugin-babel/package.json
+++ b/packages/plugin-babel/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/packages/plugin-fs-store/package.json b/packages/plugin-fs-store/package.json
index c0dfa0d60..04a3a7dd2 100644
--- a/packages/plugin-fs-store/package.json
+++ b/packages/plugin-fs-store/package.json
@@ -19,7 +19,8 @@
     "@testring/transport": "0.8.1"
   },
   "scripts": {
-    "test": "mocha"
+    "test": "mocha",
+    "build": "tsc -p tsconfig.build.json"
   },
   "bugs": {
     "url": "https://github.com/ringcentral/testring/issues"
diff --git a/packages/plugin-selenium-driver/copy-selenium-server.js b/packages/plugin-selenium-driver/copy-selenium-server.js
new file mode 100644
index 000000000..ad21ab032
--- /dev/null
+++ b/packages/plugin-selenium-driver/copy-selenium-server.js
@@ -0,0 +1,40 @@
+const fs = require('fs');
+const path = require('path');
+
+/**
+ * Copy selenium-server folder to dist directory
+ */
+function copySeleniumServer() {
+    const sourceDir = path.join(__dirname, 'src', 'selenium-server-v4');
+    const destDir = path.join(__dirname, 'dist', 'selenium-server-v4');
+    
+    try {
+        // Check if source directory exists
+        if (!fs.existsSync(sourceDir)) {
+            console.error(`Source directory does not exist: ${sourceDir}`);
+            process.exit(1);
+        }
+        
+        // Create dist directory if it doesn't exist
+        const distDir = path.join(__dirname, 'dist');
+        if (!fs.existsSync(distDir)) {
+            fs.mkdirSync(distDir, { recursive: true });
+        }
+        
+        // Remove existing selenium-server folder in dist if it exists
+        if (fs.existsSync(destDir)) {
+            fs.rmSync(destDir, { recursive: true, force: true });
+        }
+        
+        // Copy the entire selenium-server folder
+        fs.cpSync(sourceDir, destDir, { recursive: true });
+        
+        console.log(`Successfully copied selenium-server folder to ${destDir}`);
+    } catch (error) {
+        console.error('Error copying selenium-server folder:', error.message);
+        process.exit(1);
+    }
+}
+
+// Run the copy function
+copySeleniumServer();
diff --git a/packages/plugin-selenium-driver/package.json b/packages/plugin-selenium-driver/package.json
index 7251eb2d8..664669d74 100644
--- a/packages/plugin-selenium-driver/package.json
+++ b/packages/plugin-selenium-driver/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json && node copy-selenium-server.js"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/packages/plugin-selenium-driver/src/plugin/index.ts b/packages/plugin-selenium-driver/src/plugin/index.ts
index b69a7d2a9..31a2ce2f0 100644
--- a/packages/plugin-selenium-driver/src/plugin/index.ts
+++ b/packages/plugin-selenium-driver/src/plugin/index.ts
@@ -1,4 +1,4 @@
-import {SeleniumPluginConfig} from '../types';
+import {SeleniumPluginConfig, SeleniumVersion} from '../types';
 import {
     IBrowserProxyPlugin,
     SavePdfOptions,
@@ -7,6 +7,8 @@ import {
 } from '@testring/types';
 
 import {ChildProcess} from 'child_process';
+import * as path from 'path';
+import * as fs from 'fs';
 
 import {remote} from 'webdriverio';
 import * as deepmerge from 'deepmerge';
@@ -49,6 +51,8 @@ const DEFAULT_CONFIG: SeleniumPluginConfig = {
     } as any,
     cdpCoverage: false,
     disableClientPing: false,
+    localVersion: 'v3' as SeleniumVersion,
+    seleniumArgs: [],
 };
 
 function delay(timeout: number) {
@@ -68,6 +72,97 @@ function stringifyWindowFeatures(windowFeatures: WindowFeaturesConfig) {
     return result;
 }
 
+function getSeleniumJarPath(version: SeleniumVersion): string {
+    if (version === 'v4') {
+        // For Selenium v4, we expect the JAR to be in a specific location
+        const seleniumV4Path = path.join(__dirname, '..', 'selenium-server-v4', 'selenium-server-4.34.0.jar');
+        
+        if (!fs.existsSync(seleniumV4Path)) {
+            throw new Error(
+                `Selenium v4 JAR not found at expected path: ${seleniumV4Path}. ` +
+                'Please ensure selenium-server-4.34.0.jar is available in the package directory.'
+            );
+        }
+        
+        return seleniumV4Path;
+    }
+    
+    // For v3 and other versions, use the original logic
+    const seleniumServer = require('selenium-server');
+    return seleniumServer.path;
+}
+
+
+function setupProcessListeners(
+    seleniumProcess: ChildProcess,
+    resolve: () => void,
+    reject: (error: Error) => void,
+    version: SeleniumVersion,
+    logger: { verbose: (message: string) => void }
+) {
+    if (!seleniumProcess.stderr && !seleniumProcess.stdout) {
+        reject(new Error('There is no STDERR or STDOUT on selenium worker'));
+        return;
+    }
+
+    let isReady = false;
+    const timeout = setTimeout(() => {
+        if (!isReady) {
+            reject(new Error(`Selenium server failed to start within 30 seconds (version: ${version})`));
+        }
+    }, 30000);
+
+    // Check for server readiness
+    const readyMessages: Record<SeleniumVersion, string> = {
+        v4: 'Started Selenium Standalone',
+        v3: 'SeleniumServer.boot',
+    };
+
+    const checkForReadyMessage = (message: string, stream: 'stdout' | 'stderr') => {
+        logger.verbose(`[Selenium ${version}] [${stream.toUpperCase()}] ${message.trim()}`);
+        
+        if (message.includes(readyMessages[version])) {
+            isReady = true;
+            clearTimeout(timeout);
+            setTimeout(resolve, 500); // Small delay to ensure server is fully ready
+        }
+    };
+
+    // For v4, ready message appears in stdout
+    if (version === 'v4') {
+        seleniumProcess.stdout?.on('data', (data) => {
+            checkForReadyMessage(data.toString(), 'stdout');
+        });
+        
+        // Also listen to stderr for error messages
+        seleniumProcess.stderr?.on('data', (data) => {
+            logger.verbose(`[Selenium ${version}] [STDERR] ${data.toString().trim()}`);
+        });
+    } else {
+        // For v3, ready message appears in stderr
+        seleniumProcess.stderr?.on('data', (data) => {
+            checkForReadyMessage(data.toString(), 'stderr');
+        });
+        
+        // Also listen to stdout for other messages
+        seleniumProcess.stdout?.on('data', (data) => {
+            logger.verbose(`[Selenium ${version}] [STDOUT] ${data.toString().trim()}`);
+        });
+    }
+
+    seleniumProcess.on('error', (error) => {
+        clearTimeout(timeout);
+        reject(new Error(`Selenium process error: ${error.message}`));
+    });
+
+    seleniumProcess.on('exit', (code) => {
+        if (!isReady) {
+            clearTimeout(timeout);
+            reject(new Error(`Selenium process exited with code ${code} before becoming ready`));
+        }
+    });
+}
+
 export class SeleniumPlugin implements IBrowserProxyPlugin {
     private logger = loggerClient.withPrefix('[selenium-browser-process]');
 
@@ -165,49 +260,69 @@ export class SeleniumPlugin implements IBrowserProxyPlugin {
         return Promise.all(clientsRequests);
     }
 
-    private getChromeDriverArgs() {
-        let chromeDriverPath;
-
+    private getChromeDriverPath() {
         if (this.config.chromeDriverPath) {
-            chromeDriverPath = this.config.chromeDriverPath;
-        } else {
-            chromeDriverPath = require('chromedriver').path;
+            return this.config.chromeDriverPath;
         }
+        
+        return require('chromedriver').path;
+    }
+
+    private getChromeDriverArgs() {
+        const chromeDriverPath = this.getChromeDriverPath();
 
         return [`-Dwebdriver.chrome.driver=${chromeDriverPath}`];
     }
 
+    private buildSeleniumArgs(seleniumJarPath: string, version: SeleniumVersion, port: number, chromeDriverArgs: string[]): string[] {
+        const args = [...chromeDriverArgs];
+        
+        if (version === 'v4') {
+            args.push(
+                '-jar', 
+                seleniumJarPath, 
+                'standalone', 
+                '--port', 
+                port.toString(),
+                '--bind-host',
+                'false',
+            );
+        } else {
+            args.push('-jar', seleniumJarPath, '-port', port.toString());
+        }
+        
+        // Append custom selenium arguments if provided
+        if (this.config.seleniumArgs && this.config.seleniumArgs.length > 0) {
+            args.push(...this.config.seleniumArgs);
+        }
+        
+        return args;
+    }
+
     private async runLocalSelenium() {
-        const seleniumServer = require('selenium-server');
-        const seleniumJarPath = seleniumServer.path;
-        this.logger.debug('Init local selenium server');
+        const version = this.config.localVersion || 'v3';
+        this.logger.debug(`Init local selenium server (version: ${version})`);
 
         try {
-            this.localSelenium = spawnWithPipes('java', [
-                ...this.getChromeDriverArgs(),
-                '-jar',
-                seleniumJarPath,
-                '-port',
-                this.config.port,
-            ]);
+            const seleniumJarPath = getSeleniumJarPath(version);
+            const chromeDriverArgs = this.getChromeDriverArgs();
+            const seleniumArgs = this.buildSeleniumArgs(seleniumJarPath, version, this.config.port || 4444, chromeDriverArgs);
+            
+            this.logger.debug(`Starting Selenium with command: java ${seleniumArgs.join(' ')}`);
+            
+            this.localSelenium = spawnWithPipes('java', seleniumArgs);
 
             this.waitForReadyState = new Promise((resolve, reject) => {
-                if (this.localSelenium?.stderr) {
-                    this.localSelenium.stderr.on('data', (data) => {
-                        const message = data.toString();
-
-                        this.logger.verbose(message);
-
-                        if (message.includes('SeleniumServer.boot')) {
-                            delay(500).then(resolve);
-                        }
-                    });
-                } else {
-                    reject(new Error('There is no STDERR on selenium worker'));
-                }
+                setupProcessListeners(this.localSelenium!, resolve, reject, version, this.logger);
             });
+
+            // Wait for the server to be ready
+            await this.waitForReadyState;
+            this.logger.debug(`Selenium server (${version}) is ready`);
+            
         } catch (err) {
-            this.logger.error('Local selenium server init failed', err);
+            this.logger.error(`Local selenium server init failed (version: ${version})`, err);
+            throw err; // Re-throw to allow upstream error handling
         }
     }
 
diff --git a/packages/plugin-selenium-driver/src/selenium-server-v4/selenium-server-4.34.0.jar b/packages/plugin-selenium-driver/src/selenium-server-v4/selenium-server-4.34.0.jar
new file mode 100644
index 000000000..4e5bbd1df
Binary files /dev/null and b/packages/plugin-selenium-driver/src/selenium-server-v4/selenium-server-4.34.0.jar differ
diff --git a/packages/plugin-selenium-driver/src/types.ts b/packages/plugin-selenium-driver/src/types.ts
index def83fddb..45342e548 100644
--- a/packages/plugin-selenium-driver/src/types.ts
+++ b/packages/plugin-selenium-driver/src/types.ts
@@ -1,5 +1,7 @@
 import {Capabilities} from '@wdio/types';
 
+export type SeleniumVersion = 'v3' | 'v4';
+
 export type SeleniumPluginConfig = Capabilities.WebdriverIOConfig & {
     chromeDriverPath?: string;
     recorderExtension: boolean;
@@ -11,4 +13,6 @@ export type SeleniumPluginConfig = Capabilities.WebdriverIOConfig & {
     workerLimit?: number | 'local';
     disableClientPing?: boolean;
     delayAfterSessionClose?: number;
+    localVersion?: SeleniumVersion;
+    seleniumArgs?: string[]; // Additional CLI arguments to pass to Selenium server
 };
diff --git a/packages/test-utils/package.json b/packages/test-utils/package.json
index b2181fb09..5ab83eda0 100644
--- a/packages/test-utils/package.json
+++ b/packages/test-utils/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {
diff --git a/packages/web-application/package.json b/packages/web-application/package.json
index 37b0d8af9..d1a7f7950 100644
--- a/packages/web-application/package.json
+++ b/packages/web-application/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "url": "https://github.com/ringcentral/testring.git"
   },
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json"
+  },
   "author": "RingCentral",
   "license": "MIT",
   "dependencies": {