Selenium 4.34 Released!

Today we’re happy to announce that Selenium 4.34 has been released!

We’re excited to announce the release of Selenium 4.34 for Javascript, Ruby, Python, .NET, Java and the Grid! 🎉

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


🔦 Highlights

  • macOS Improvements: Added macOS-specific key support for both Ruby and Python.
  • Web Extension Support: BiDi implementations now support Chromium web extensions (Java, Python).
  • Deprecations: FTP proxy support deprecated across Java, Python, Ruby, and .NET.
  • Selenium Manager: Now supports Electron (Rust backend). Still needs implementation in the bindings.
  • BiDi Enhancements: Continued progress with historyUpdated, permissions, and storage modules (Java, .NET, Python).
  • Quality Improvements: Significant type annotation cleanup, test stability enhancements, and doc generation in Python.

Java

  • ✅ Implemented BiDi commands:
    • browsingContext.historyUpdated
    • webExtensions and extended BrowsingContextInfo
  • 🛠 Refactored CommandPayload, removed deprecated classes:
    • ContextAware
    • CommandLine
    • OsProcess
  • ⚠️ Deprecated FtpProxy
  • ➕ Environment variable support for driver paths with Selenium Manager
  • 🔐 Improvements in VirtualAuthenticator

Python

  • 🔑 Added macOS-specific keys to Keys enum (OPTION, FN)
  • 🧠 Extensive BiDi updates:
    • WebExtensions
    • Permissions
    • Storage
    • History updates (with timestamps)
  • 🧼 Code quality:
    • mypy/type hint cleanups
    • API docs improvements (auto-generated)
    • tox/ruff upgrades
  • 💡 enable_webextensions() now documented with CDP note
  • ❌ Deprecated: FTP proxy support
  • 🌐 Better error reporting on HTTP failures, improved error handling in expected_conditions

.NET

  • 🚫 Deprecated FTP proxy support
  • 📚 BiDi enhancements:
    • OnHistoryUpdated event
    • AcceptInsecureCerts & Proxy in user context
    • Implicit screenshot-to-bytes conversion
    • Protected DTOs from inheritance
  • 🧹 Cleanup:
    • Namespace simplifications
    • Removed StyleCop config

JavaScript

  • 📢 Warning added when FTP proxy is used
  • 💡 Declared minimum required Node.js version: >= 20.0.0

Grid

  • 🧪 Grid UI updated to Node 20 for type compatibility
  • 🧰 New built-in slot selector: GreedySlotSelector
  • 🧹 UI cleanup: session deletion, log level validation

Ruby

  • 🧑‍💻 Added macOS key mappings (Option/Fn)
  • ⚠️ Deprecated FTP proxy support
  • 🛠 Fixed child process termination handling

Rust (Selenium Manager)

  • 🖥️ Added Electron browser support
  • 🔧 Fixed Edge version test logic
  • Electron support.

Docker Selenium

  • K8s: Distributor uses Greedy as slot selector strategy in autoscaling (#2875)
  • K8s: Fix video uploader secrets pass to Node single container (#2886)
  • Docker: Update dependencies version for CVEs fix
  • Docker: Enable SE_NODE_ENABLE_MANAGED_DOWNLOADS in Node config by default (#2869)
  • Docker: Session created in Node container can be deleted on UI by default (#2871)
  • Docker: Environment variable flag to upgrade latest version of Chrome and ChromeDriver in container (#2872)
  • 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

Alex "Blex" B

Alex "Blex" B

Bradley Latreille

Bradley Latreille

Swastik Baranwal

Swastik Baranwal

Luis Serna

Luis Serna

Shaurya Bisht

Shaurya Bisht

Adolfo Armas

Adolfo Armas

Andrei Solntsev

Andrei Solntsev

Manuel Blanco

Manuel Blanco

Sandeep Suryaprasad

Sandeep Suryaprasad

Selenium Docs & Website

ian zhang

ian zhang

Navin Chandra

Navin Chandra

Noritaka Kobayashi

Noritaka Kobayashi

Docker Selenium

AvivGuiser

AvivGuiser

Corey Goldberg

Corey Goldberg

Selenium Team Members

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

Agustin Pequeno

Agustin Pequeno

David Burns

David Burns

Boni García

Boni García

Corey Goldberg

Corey Goldberg

Diego Molina

Diego Molina

Sri Harsha

Sri Harsha

Nikolay Borisenko

Nikolay Borisenko

Alex Rodionov

Alex Rodionov

Puja Jagani

Puja Jagani

Michael Render

Michael Render

Simon Benzer

Simon Benzer

Simon Stewart

Simon Stewart

Titus Fortner

Titus Fortner

Viet Nguyen Duc

Viet Nguyen Duc

Stay tuned for updates by following SeleniumHQ on:

Happy automating!

Last modified July 17, 2025: Release 4.34 (#2383) (31c90a3705)