Selenium 4.25 Released!

We’re very happy to announce the release of Selenium 4.25 for Javascript, Ruby, Python, .NET, Java and the Grid! Links to everything can be found on our downloads page.

Selenium 4.25.0 introduces several important changes and improvements across multiple programming languages and build systems. Below are the key highlights from this release.

General Updates

• Chrome DevTools support is now: v129, v128, and v127 (Firefox still uses v85 for all versions)

• Selenium has at least 4M active users in the last 30 days. 1.5M more than 4 months ago!

• First implementation of BiDi (Bidirectional WebDriver Protocol) for .NET, providing advanced capabilities like inspecting browser contexts and receiving real-time events.

  • We are looking for feedback on this feature, so please try it out and let us know what you think! Try var bidi = await driver.AsBiDiAsync(); to get started.
  
  

Java

• Escape cookie values when required for tests (#14486)

• Warn about an upcoming change enforcing string quotes in TOML (#14491)

• See all changes

  
  

Python

• Fixed type errors for pointer_input.py, wheel_input.py, and firefox/options.py (#14476)

• Fixed failing BiDi tests (#14448)

• Dropped support for Python 2.x in firefox_profile.py (#14489)

• See all changes

  
  

JavaScript

• Fixed flaky network event tests for BiDi (#14512)

• Closed CDP websocket connection on driver.quit (#14501)

• See all changes

  
  

.NET

• BiDi API updates, including renaming methods and simplifying context handling (#14318)

• Exposed BiDi associated references in browsing context (#14495)

• See all changes

  
  

Ruby

• Allowed driver path to be set using environment variables (#14287)

• Fixed the add_cause method not being able to process an array of hashes (#14433)

• See all changes

  
  

Rust

• Fixed errors in Selenium Manager when the browser path is incorrect (#14381)
• Reused driver mirror URLs to discover Firefox versions (#14493)
• See all changes

Contributors

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

Selenium

Swastik Baranwal

@Delta456

Augustin Gottlieb Pequeno

@aguspe

Angie Jones

@angiejones

Chris Gossett

@cgossett

Dominic Evans

@dnwe

Manuel Blanco

@manuelsblanco

@mk868

Navin Chandra

@navin772

Sandeep Suryaprasad

@sandeepsuryaprasad

Simon Benzer

@shbenzer

Selenium Docs & Website

@KaranocaVe

Augustin Gottlieb Pequeno

@aguspe

Pallavi

@pallavigitwork

Simon Benzer

@shbenzer

Docker Selenium

Markus Kopp

@Koeppchen

Selenium Team Members

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

David Burns

@AutomatedTester

Boni García

@bonigarcia

Diego Molina

@diemol

Sri Harsha

@harsha509

@joerg1985

Nikolay Borisenko

@nvborisenko

Alex Rodionov

@p0deje

Puja Jagani

@pujagani

Simon Stewart

@shs96c

Titus Fortner

@titusfortner

Viet Nguyen Duc

@VietND96

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

Happy automating!

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