Sure, I can provide information about Appium and Selenium 4. Appium is an open-source automation tool for testing mobile and web applications. Selenium 4, on the other hand, is the latest version of the Selenium automation framework primarily used for web application testing.

Here are some key points about Appium and Selenium 4:

1. Appium:

   • Appium is designed for automating mobile applications on iOS and Android platforms.
   • It supports native, hybrid, and mobile web applications.
   • Appium uses the WebDriver protocol to automate interactions with mobile devices.
   • You can write tests in various programming languages, such as Java, Python, C#, and more.
   • Appium provides cross-platform compatibility, allowing you to write tests that work on both iOS and Android devices.

2. Selenium 4:

   • Selenium 4 is the latest major release of the Selenium automation framework.
   • It comes with several new features and improvements, making it more powerful and user-friendly.
   • Selenium 4 introduces the W3C WebDriver protocol as the default, providing better cross-browser compatibility.
   • It includes improved support for modern web technologies like HTML5 and CSS3.
   • Selenium 4 also offers better support for browser automation, including features like relative locators for easier element identification.
   • It allows for parallel test execution and better integration with other tools and frameworks.

If you are using both Appium and Selenium 4 for your testing needs, make sure to stay updated with the latest releases and documentation for each tool to take advantage of their new features and enhancements. Additionally, consider best practices for test automation, including writing robust test scripts and ensuring proper test environment setup to minimize the risk of emails being marked as spam when sending notifications in bulk.