[🐛 Bug]: ChromeOptions for window size not working with Chrome 137.0.7151.68-1 on Linux using Selenium v4.33.

[nikhil-shukla]

Description

Summary:

Setting window resolution via chrome_options.add_argument("--window-size=1920,1080") does not take effect when using Chrome 137.0.7151.68-1 on a Linux machine in headless mode.

Environment

OS: RHEL Linux (Ubuntu 22.04)
Chrome Version: 137.0.7151.68-1
Selenium Version: 4.33
Python Version: 3.13.3

Reproduction Steps

1. Code: Run the code below       

2. Observe the output window size.

Expected Behaviour - The browser window should open with a resolution of 1920,1080.

Actual Behaviour - The browser opens in a smaller default size (e.g., ~800x600), ignoring the --window-size argument.

Reproducible Code

from selenium import webdriver
from selenium.webdriver.chrome.options import Options

options = Options()
options.add_argument("--window-size=1920,1080")
driver = webdriver.Chrome(options=options)
driver.get("https://example.com")
print(driver.get_window_size())
driver.quit()

[selenium-ci]

@nikhil-shukla, thank you for creating this issue. We will troubleshoot it as soon as we can.

Selenium Triage Team: remember to follow the Triage Guide

[selenium-ci]

Hi, @nikhil-shukla.
This issue has been determined to require fixes in ChromeDriver.

You can see if the feature is passing in the Web Platform Tests.

If it is something new, please create an issue with the ChromeDriver team.
Feel free to comment the issues that you raise back in this issue. Thank you.

[MJB222398]

In your summary you stated that you used: "--window-size=1920x1080"

But then in the reproduction steps you said you used: "--window-size=1920,1080"

Which is it?