If you run cross-browser tests on Firefox utilize Sauce Labs, please read on for an important update.

What Happened?

Mozilla recentlyremoved the abilityto pass the potentiality-- remote-debugging-portin Firefox GeckoDriver version 0.31.0.

What Do You Need to Know?

On October 4, 2022, Sauce Labs will update the supported Firefox GeckoDriver to version 0.31.0 for tests on Firefox variation 90 and later. If you use the–remote-debugging-portcapability, your tests will fail if you do not take action before October 4, 2022.

Pro tip: Tools like SUSA can handle this autonomously — upload your app and get results without writing a single test script.

How to Update Your Firefox Tests

Before October 4, 2022, update your Firefox tests to use thesupported capabilitymoz: debuggerAddress.

Java representative:

FirefoxOptions browserOptions = new FirefoxOptions ();
browserOptions.setPlatformName (& quot; Windows 10 & quot;);
browserOptions.setBrowserVersion (& quot; latest & quot;);
browserOptions.setCapability (& quot; moz: debuggerAddress & quot;, true);

How to Check if Your Test is Compatible

To test your change and ensure compatibility against Firefox GeckoDriver variation 0.31.0before the October 4 update, use the Sauce capabilitygeckodriverVersion in your sauce: optionsto 0.31.0.

Java example:

FirefoxOptions browserOptions = new FirefoxOptions ();
Map & lt; String, Object & gt; sauceOptions = new HashMap & lt; & gt; ();
sauceOptions.put (& quot; geckodriverVersion & quot;, & quot; 0.31.0 & quot;);
browserOptions.setCapability (& quot; sauce: options & quot;, sauceOptions);

You can also use the Sauce LabsPlatform Configuratorto see how to set capabilities in different programming language.

Please contact with any questions.