Selenium 4.47 Released!

Today we’re happy to announce that Selenium 4.47 has been released!

By Diego Molina @diemol | Monday, August 10, 2026

Selenium 4.47 Released

BiDi Continued unifying the BiDi protocol layer across bindings around the shared, binding-neutral CDDL-derived schema — Ruby now generates its BiDi domain type accessors, union variant factories, and typed errors from it, matching JavaScript’s earlier adoption.
[Java] Removed the redundant BiDi subscription scope tracking and fixed BiDi not initializing for RemoteWebDriver built via the builder.
[.NET] BiDi transport factories are now composable, the optional command timeout was removed from command options, and spurious warnings when there are no BiDi subscribers are gone.
[.NET][Python][Ruby] Firefox now blocks CDP access, reinforcing BiDi as the standard cross-browser protocol.
[Grid] Dynamic Grid videos are now consistently stored in a per-session subfolder via SE_VIDEO_SESSION_SUBFOLDER, including on Kubernetes, removing the previous pod-wait and relocation logic.
[Java] Fixed By.className()/By.id() misescaping non-ASCII leading digits, and a By.name() double String.format bug on names containing %.
[Rust] Selenium Manager fixes: honors --browser-version for Electron driver resolution, locates Chrome and Edge in known install directories, and no longer caches an empty driver version.

Removed the redundant BiDi subscription scope tracking, and fixed BiDi not initializing for RemoteWebDriver built via the builder.
Fixed By.className()/By.id() misescaping non-ASCII leading digits, and a By.name() double String.format bug on names containing %.
Added regression coverage for relative locators on collapsed table borders.
Removed deprecated FTP proxy support and deprecated invalid Firefox profile code (shared with JavaScript, Ruby, and .NET).

Blocked CDP access with Firefox (shared with .NET and Ruby).
Fixed no_proxy matching so empty entries and substrings no longer bypass the proxy.
find_element/find_elements type hints now accept By.
Ensured driver service subprocess resources are cleaned up.
Fixed the default command_executor URL in the RemoteWebDriver docstring.

Generated the BiDi domain type accessors, union variant factories, and typed WebDriver errors from the shared binding-neutral schema.
Constructed the BiDi transport inside the domain from a connection, and routed BiDiBridge navigation through the generated Protocol::BrowsingContext.
Added inbound/outbound validation for BiDi fields, including nullable-constant params, ref fields, and float/enum type fidelity.
Added support for WebDriver BiDi on Safari Preview, moving #bidi onto Driver.
Added a browser_family test guard, and support for custom vendor-specific capabilities in options classes.

Made BiDi transport factories composable.
Removed the optional command timeout from command options, and stopped warning when there are no BiDi subscribers.
Added support for SE_*DRIVER environment variables to set driver locations.
Blocked CDP access with Firefox (shared with Python and Ruby).

Store Dynamic Grid videos in a per-session subfolder via SE_VIDEO_SESSION_SUBFOLDER, including on Kubernetes, removing the previous pod-wait and relocation logic.
Inherited the Node Pod container’s securityContext for Dynamic Grid on Kubernetes.
Honored client-advertised se:remoteUrl for reachable BiDi/CDP/VNC URLs.

Continued the BiDi schema unification: merged vendor CDDL files into the shared schema, derived per-type inbound/outbound directionality, and cleaned up schema generation.
Published a Selenium 5 release charter and an ADR documenting BiDi implementation boundaries.
Generated a cross-platform Selenium Manager SBOM and NOTICE, bundled into each package.
Bumped Rust build tooling (@llvm, rules_rs, rules_ruby) and updated Node.js versioning for testing and publishing.

Docker: Support Google Chrome images for linux/arm64 (#3187)
[build] Keep Chrome dev/beta images on linux/amd64 only, resolve the latest rclone tag (#3188)
[video] Fall back to SE_NODE_CONTAINER_NAME for the per-session subfolder (#3194)
K8s: Implement KEDA external scaler and use it as default (#3169)
K8s: Gate distributed component replicas on external datastore (#3175)
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.