Chromium-based Edge in Selenium 3 #8993
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Also, I meant to mention this in the original post, but I've seen #8237 (comment), where @barancev said:
I would completely understand you not wanting to devote resources to updating Selenium 3 while you focus on Selenium 4, but Selenium 3 is the only stable Selenium grid available to us as users, and Microsoft Edge is important. If you don't want to devote your own resources to it, could you please provide some minimal guidance and allow contributors from the community work on this issue? |
In a comment from April 2020 [1], the Selenium maintainers said that they would not support Chromium-based Edge in Selenium 3. They instead suggested waiting for a stable version of Selenium 4. However, as of December 2020, there is no release date in sight for Selenium 4, Chromium-based Edge is the only version of Edge actively supported by Microsoft since August 2020, and legacy Edge will reach end-of-life status in March 2021 [2]. Thankfully, Generic WebDriver Server is generic enough to handle this case. We can use it to configure Selenium 3 to respond to Edge and use Microsoft's `msedgedriver.exe` as a backend executable. See also SeleniumHQ/selenium#8993 [1]: SeleniumHQ/selenium#8237 (comment) [2]: https://techcommunity.microsoft.com/t5/microsoft-365-blog/microsoft-365-apps-say-farewell-to-internet-explorer-11-and/ba-p/1591666
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@joeyparrish, there is no need for a PR (well, since the code for Grid 3 is gone from the tree already). The good news is that you can use the new Edge Chromium with Grid 3, I know it is not working out of the box (which is what we meant by not backporting), but a slight change in the configuration allows you to use the new Edge in your current setup. I replied to this a while ago in a different issue, the details can be seen here. If you'd like to try Alpha 7 of Selenium Grid 4, and you are bumping into issue, please create an issue or drop by our Slack/IRC channel, we'd be happy to help there. Link to the channel can be seen here -> https://www.selenium.dev/support/ |
🚀 Feature Proposal
I propose to send a PR to add Chromium-based Edge support to Selenium 3.
Motivation
Selenium 4 isn't ready yet, and it's not clear when it will be ready for use. Meanwhile, legacy Edge is no longer supported by Microsoft. Everyone testing on Edge should be testing the new Chromium-based Edge.
We have a Selenium 3 grid that is part of critical testing infrastructure for our project, and Edge is a critical platform. We are currently unable to test in the new Chromium-based Edge. Microsoft has WebDriver servers available, so it's unclear why there should be any problem using these in Selenium 3.
If anyone can outline the differences between what Selenium 3 does today and what Selenium 4 does differently to communicate with the new drivers, I can start working on a PR to address this critical gap in Selenium 3.
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