New York: Users are not able to close Activity Stream fly-out when using latest version of Chrome browser -- version 78.0.3904.## (Official Build) (64-bit)DescriptionThe Chevron and the title 'Activity Stream' is missing in the Show Activity stream' fly-out when using the latest Chrome browser - version 78.0.3904.##. Hence it is not possible to close it without refresh the browser.Steps to Reproduce Access into New York instance in Chrome - version 78.0.3904.##. Make sure you have this version of the chrome browser.Open any Incident. Remove Activities(filtered) from the form layout by configuring the Form layout.In the Header of the incident form, there will be an icon 'Show Activity stream'. Refer to the screenshot. Click on it. 4. It will open the Activity Stream on the right side of the form.Notice the Chevron and the title 'Activity Stream' flyout is missing. The issue is reproducible only with New York version in Chrome Version 78.0.3904.## (Official Build) (64-bit).WorkaroundThis issue is under review. To receive notifications when more information is available, subscribe to this Known Error article by clicking the Subscribe button at the top right of the article. If you are able to upgrade, review the Fixed In or Intended Fix Version fields to determine whether any versions have a planned or permanent fix.Related Problem: PRB1373712