Selenium 4.44 Released!

Today we’re happy to announce that Selenium 4.44 has been released!

By Diego Molina @diemol | Tuesday, May 12, 2026

Selenium 4.44 Released

[Build] Introduced a new Selenium CLI tool, plus an AI-assisted contribution policy and Rust commands to install skills.md/rules.md files for agent-based contributors.
[.NET] A large batch of BiDi alignment work (statically declared commands/events, additional event streaming) alongside several breaking changes: obsolete member removal and UnhandledPromptBehavior as a string or map.
[Java] Continued JSpecify nullability work in the remote package, deprecated native HttpClient methods, and fixed a NoSuchElementException regression for custom By locators.
[Grid] Added a Redis-backed Distributor as a built-in option and fixed latent WebSocket proxy bugs.
[Python] Now generates BiDi files instead of hand-curating them, and added a CDDL 2 Python generator.
[JavaScript] Converted the getAttribute and isDisplayed atoms from Closure to TypeScript.

Continued JSpecify nullability annotations in the remote package.
Deprecated native methods on the HttpClient interface.
Fixed a regression causing NoSuchElementException for custom By locators, and an NPE when a response status is null.
Removed the unused ChromiumDriver.capabilities field, and bumped byte-buddy.

Switched to generated BiDi files instead of hand-curated ones, and added a CDDL 2 Python generator.
Implemented high-level APIs for script execution and improved generated BiDi module docstrings.
Added an Edge service argument to inherit browser I/O streams.
Updated docs with a pytest example and general formatting fixes.

Statically declared BiDi commands and events, and added additional event streaming (breaking change).
Removed members planned for deprecation in 4.44, and made UnhandledPromptBehavior accept a string or map (breaking change).
Migrated tests to MTP and strongly signed assemblies.
Fixed network monitoring stop behavior and internal log truncation at error/warn levels.

Introduced the Selenium CLI tool and an AI-assisted contribution policy, including Rust commands to install skills.md/rules.md files.
Hardened the release pipeline: trusted publishing for Python, GitHub release drafts before publish, and parallelized documentation releases.
Cleaned up GHA runner disk space and fixed several release/prerelease workflow issues.

Docker: Retain recordings for failed sessions only from session capabilities (#3111)
chart(selenium-grid): add ServiceMonitor and PodMonitor support for Prometheus Operator (#3121)
Docker: Cleanup CfT and Chromium profiles (#3123)
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.