Selenium 4.28 Released!

Today we’re happy to announce that Selenium 4.28 has been released!

By Diego Molina @diemol | Monday, January 20, 2025

Highlights

Chrome DevTools support is now: v132, v131, and v130 (Firefox still uses v85 for all versions)
Expanded nullability annotations for better type safety in .NET and Java.
Refinements to Selenium Grid, including more efficient session handling and node management.
Packaging and installation enhancements across Python and Ruby for smoother integration.
Documentation improvements across Python and .NET libraries, ensuring clearer developer guidance.
Updated language-specific implementations for modern development standards.

Encapsulation Improvements: Encapsulated additionalCommands with a getter method (#14816).
Nullability Enhancements: Added nullness annotations for enums, exceptions, interactions, logging, and Proxy (#15105, #15094).
SpotBugs Updates: Excluded specific warnings to maintain clean code (#14766).
Improved Logging: Enhanced error handling and message clarity in exceptions (#15116).
Relative Locators: Updates for RelativeBy locators, simplifying usage (#14482).

Packaging Fixes: Addressed issues for smoother installation (#14806, #14823).
Documentation Upgrades: Added comprehensive docstrings to multiple classes, including WebDriverWait, ExpectedConditions, and WebElement (#15077, #15096).
Refactoring: Moved project metadata and improved code organization (#14837).
Enhanced CDP Command Handling: Added execute_cdp_cmd to Remote (#14809).

Nullability Improvements: Added annotations to SessionId, Alert, CookieJar, Logs API, and more (#14840, #14874).
Refactored DevTools: Modernized code style and enhanced JSON parsing (#14990).
Future-Proofing: Added notes and deprecated setters for better immutability (#15107).
Testing Updates: Migrated NUnit assertions to modern syntax (#14870).

BiDi Network Enhancements: Added request handlers for authentication and interception (#14751).
Cookie Management Updates: Added tests and improved handling for cookies (#14843).

Improved Session Management: Enhanced slot matching and session queue handling (#14914).
Dynamic Grid Enhancements: Added video recording capabilities on browser node (#15047).
Reliability Boost: Improved HTTP request retries and node health checks (#14924).

Update procedure to install Firefox in Node/Standalone Firefox (#2550)
Enable video recorder in Node/Standalone containers (#2539)
Env var SE_ENABLE_TRACING=false is not required when starting the container anymore (#2549)
Env var SE_NODE_PLATFORM_NAME & SE_NODE_BROWSER_VERSION to adjust default Node stereotypes for autoscaling (#2520, #2525)
Selenium Grid scaler in KEDA improvements (KEDA#6437, KEDA#6477)
See all changes