β οΈ If you have general Chrome Extensions questions, consider posting to the [Chromium Extensions Group](https://groups.google.com/a/chromium.org/forum/#!forum/chromium-extensions) or [Stack Overflow](https://stackoverflow.com/questions/tagged/google-chrome-extension). **Describe the bug** I'm using: https://github.com/GoogleChrome/chrome-extensions-samples/blob/main/functional-samples/cookbook.sidepanel-open/script.js But the sidepanel stays open for all the tabs. **To Reproduce** Steps to reproduce the behavior, or file the issue is found in: 1. Go to ['cookbook'](https://github.com/GoogleChrome/chrome-extensions-samples/blob/main/functional-samples/cookbook.sidepanel-open/script.js) 2. Copy and paste the code to your code (background script) 3. Install and open sidePanel -> sidePanel on all tabs. **Expected behavior** SidePanel only open for the active tab **Screenshots** If applicable, add screenshots to help explain your problem. **Notes** Anything additional here. π