Selenium 4.27 Released!

Today we’re happy to announce that Selenium 4.27 has been released!

By Diego Molina @diemol | Wednesday, November 27, 2024

Tags:

Selenium

We’re very happy to announce the release of Selenium 4.27 for Javascript, Ruby, Python, .NET, Java and the Grid! Links to everything can be found on our downloads page.

Here is the latest iteration of the world’s most popular browser automation tool! This release brings significant updates across all supported languages, enhancing functionality, performance, and compatibility. From new features like FedCM command support in Python and improved BiDi handling in .NET to critical deprecations like CDP methods for Firefox.

General Highlights

Chrome DevTools support is now: v131, v128, and v127 (Firefox still uses v85 for all versions)
Selenium has over 5.1M active users in the last 30 days. 300K more than 1 month ago!
Deprecation of CDP methods for Firefox across several bindings to align with evolving automation standards.
Enhanced Selenium Grid with improved session handling, distributed retry logic, and faster server shutdown processes.
Updates for .NET and Java to modernize exception handling, improve BiDi support, and address compatibility warnings.
Deprecation of getAttribute in multiple languages as part of Selenium’s evolution.

Python

Deprecated CDP methods for Firefox. (e2e9ac5f7e)
Replaced imghdr with filetype for better compatibility. (b1828bf108)
Moved project metadata from setup.py to pyproject.toml. (673d2c78be)
Added FedCM command support. (d3d8070d50)
Introduced backward compatibility for AppiumConnection. (3a3c46b3c1)
Added user agent and extra headers via ClientConfig. (e2023893c7)
Addressed DetachedShadowRoot exception handling. (7aabb8d1b4)

Ruby

Deprecated CDP methods for Firefox. (e9c09a200e)
Resolved deprecation warnings for the uri gem. (751bacb6bc)
Added BiDi navigation commands and support for network interception. (573c8fe961)

Java

Enhanced error messages for NoSuchElementException. (4a0d05e50e)
Deprecated WebElement.getAttribute(). (cd7303c437)
Introduced methods for selecting options containing specific text. (b4b8aaba2b)
Added Firefox CDP deprecation warnings. (19fc217985)

.NET

Added CDP deprecation warnings for Firefox. (8f725b3a80)
Improved BiDi and async support across modules. (9054e892cc)
Enabled nullability annotations for better type safety. (d9149acc09)
Introduced compatibility improvements for actions with clashing device names. (a9ec9ca682)
Deprecated GetAttribute method for WebElements. (ac523a5d0a)

JavaScript

Enabled BiDi tests for locating nodes with Chrome and Edge. (339421538b)
Enhanced support for authentication handlers in BiDi commands. (25551adfe8)
Updated dependencies to resolve security alerts. (3906742748)

Rust

Selenium Manager now honors full browser versions. (fe5b1985e5)
Updated logic to prioritize stable versions for Firefox management. (0d2dda17b4)

Selenium Grid

Improved retry logic for session creation in distributed grids. (e4ab299ea4)
Improved session handling in Selenium Grid and reduced test flakiness. (b0464e1adf)
Enhanced server shutdown for faster termination. (62aa0e551e)
Implemented graceful handling of stale sessions and client timeouts. (b0464e1adf)
Improved detection of unsupported HTTP methods during request handling. (f56b3d07d9)