Selenium 4.21 Released!

We’re very happy to announce the release of Selenium 4.21.0 for Javascript, Ruby, Python, .NET, Java and the Grid! Links to everything can be found on our downloads page.

Highlights

• Chrome DevTools support is now: v123, v124, and v125 (Firefox still uses v85 for all versions)
• Selenium has at least 2.4M active users in the last 30 days. 100k more than last month!
  • India and United States are the top countries with the most users.
  • Python is the most used language from the last 5 releases.
  • The most used operating system is Windows, with at least 1.9M users.
• Extensibility points started to be implemented to simplify the integration between Selenium and Appium. Ruby is the first language to implement it.
• Java and JavaScript keep adding more WebDriver BiDi features.
• In Java, it is possible to set parameters for Selenium Manager via system properties.
• Nightly packages are tested daily with the examples from the Selenium documentation.

Noteworthy changes per language

• Java
  • Browser containers provisioned in Dynamic Grid will use the hostConfig
  • Set test name to video file name in Dynamic Grid
  • See all changes

• JavaScript
  • Ensure selectVisibleByText method is same as other languages
  • See all changes

• .NET
  • Overwrite internal log file if it already exists
  • See all changes

• Python
  • Moving ignore_local_proxy_environment_variables to BaseOptions
  • See all changes

• Ruby
  • See all changes

• Rust
  • See all changes

Contributors

Special shout-out to everyone who helped the Selenium Team get this release out!

Selenium

Viet Nguyen Duc

@VietND96

Alex

@iampopovich

Joe Bandenburg

@joebandenburg

Oleksandr Kulychok

@kool79

Sandeep Suryaprasad

@sandeepsuryaprasad

Selenium Docs & Website

Arpan

@Arpan3323

Augustin Gottlieb Pequeno

@aguspe

Chamila Ambahera

@chamiz

Pallavi

@pallavigitwork

Docker Selenium

Viet Nguyen Duc

@VietND96

@edhinard

Selenium Team Members

Thanks as well to all the team members who contributed to this release:

Puja Jagani

@pujagani

Diego Molina

@diemol

Boni García

@bonigarcia

Sri Harsha

@harsha509

@joerg1985

Nikolay Borisenko

@nvborisenko

Alex Rodionov

@p0deje

Simon Stewart

@shs96c

Titus Fortner

@titusfortner

David Burns

@AutomatedTester

Stay tuned for updates by following SeleniumHQ on X (Formerly Twitter) or LinkedIn!

Happy testing!

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