Selenium 4.31 Released!

We’re excited to announce the release of Selenium 4.31 for Javascript, Ruby, Python, .NET, Java and the Grid! 🎉
This release focuses on improvements across the board, including better BiDi protocol support, test reliability, nullability enhancements, and cleanup of legacy code across languages.

Links to all assets can be found on our downloads page.

🚀 Major Highlights

• Continued work towards full BiDi support in all bindings
• Cleanup of unused legacy components (like wgxpath)
• Expanded test coverage and fixes for various environments (CI, RBE, MacOS)
• Improvements in documentation and development tooling

🔹 Language-Specific Changes

Java

• Handle getNamedCookie and deleteNamedCookie for empty strings
• Add nullness for AppCacheStatus, Credential, and Either
• Add nullness for interactions
• Enable Safari for CookieImplementationTest
• Add test to add a cookie in a user context (BiDi)

Python

• Fix docstring issues that sphinx complains about
• Only shutdown service if process not already terminated
• Remove unused mocker arg in chrome options test
• Fix driver class name in test fixtures

JavaScript

• Fixed BiDi tests for Chrome and Firefox on CI.
• Implemented BiDi permissions module commands.

Ruby

• Fix BiDi test errors
• Allow symbols again to be passed on delete_cookie

.NET

• Decouple nested BiDi types across multiple modules
• Fix null warnings in RelativeBy by sealing the type
• Simplify conversion to LocalValue
• Unify protected and internal Execute methods
• Make ContinueWithAuthCommand closer to spec (breaking change)
• Avoid intermediate JsonDocument allocation to improve performance

Grid

• Expose register status via Node status response
• Add traces for event stop session in Node

Docker Selenium

• Helm config: Add template for file browser video records service (#2763)
• Helm config: Strictly handle basicAuth.enabled in template (#2760)
• Selenium Grid Autoscaling in Kubernetes is expected working well with KEDA core v2.17.0.
• See all changes

We thank all our contributors for their incredible efforts in making Selenium better with every release. ❤️

For a detailed look at all changes, check out the release notes.

Contributors

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

Selenium

Swastik Baranwal

@Delta456

Sandro

@PSandro

@mk868

Navin Chandra

@navin772

Selenium Docs & Website

ian zhang

@alaahong

Pallavi

@pallavigitwork

Docker Selenium

@KenHuPricer

AvivGuiser

@KyriosGN0

Selenium Team Members

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

Augustin Gottlieb

@aguspe

David Burns

@AutomatedTester

Boni García

@bonigarcia

Corey Goldberg

@cgoldberg

Diego Molina

@diemol

Sri Harsha

@harsha509

@joerg1985

Nikolay Borisenko

@nvborisenko

Alex Rodionov

@p0deje

Puja Jagani

@pujagani

Michael Render

@RenderMichael

Simon Benzer

@shbenzer

Simon Stewart

@shs96c

Titus Fortner

@titusfortner

Viet Nguyen Duc

@VietND96

Stay tuned for updates by following SeleniumHQ on:

• Mastodon
• BlueSky
• LinkedIn
• Selenium Community YouTube Channel
• X (Formerly Twitter)

Happy automating!

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