Affected builds: - 140.2.1ESR(20250828033206 - 143.0b4(20250908212943) - 144.0a1(20250909103128 Affected OS: - Win 11 Dev (27934.1) - Win 10 22h2(19045.6159) Steps to reproduce: 1.Setup a new account in Account hub. 2.Fill in email account and click on Continue button. 3.Click on Edit Configuration. 4.Double click on Protocol drop-down. Actual results: 4.When double clicking on the drop-down, the drop-down options are displayed and the page get’s sort of stuck, clicking again on the drop-down does nothing, neither clicking on “X”, “Back” and “Continue” buttons or outside the drop-down does not work. In order for the page to be responsive again you need to choose an option from the drop-down. Expected results: 4.The page should not become unresponsive. When clicking again the drop-down options should close. We have also tried on macOS 15, macOS 26 and Ubuntu 24 and we couldn’t reproduce it. We have searched for a bug report and couldn’t find any, you want us to file a bug report? [I attached a video](https://drive.google.com/file/d/1F-0yUXif1KVfTT4tq4Z7zmPYCGOztDZp/view?usp=sharing)
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Affected builds: - 140.2.1ESR(20250828033206 - 143.0b4(20250908212943) - 144.0a1(20250909103128 Affected OS: - Win 11 Dev (27934.1) - Win 10 22h2(19045.6159) Steps to reproduce: 1.Setup a new account in Account hub. 2.Fill in email account and click on Continue button. 3.Click on Edit Configuration. 4.Double click on Protocol drop-down. Actual results: When clicking multiple times in succession on a drop-down, the drop-down options are displayed and remain locked in the open position, and are not being closed, not even when clicking again on the drop-down, nor by clicking on “X”, “Back” and “Continue” buttons or outside the drop-down (not even the "Esc" button). Seldomly, this behavior can be triggered by also double clicking on a drop-down. In order for the page to be responsive again you need to choose an option from the drop-down. Expected results: The drop-downs should not be locked in any position when interacting with them and should be highly responsive, no matter how many times they are clicked. We have also tried on macOS 15, macOS 26 and Ubuntu 24 and we couldn’t reproduce it. We have searched for a bug report and couldn’t find any, you want us to file a bug report? [I attached a video](https://drive.google.com/file/d/1F-0yUXif1KVfTT4tq4Z7zmPYCGOztDZp/view?usp=sharing)