Console shows the two following warning from React when it loads. Warning: Invalid aria prop `aria-lable` on <a> tag. For details, see https://fb.me/invalid-aria-prop in a (created by Context.Consumer) in Link (created by MastheadToolbarContents_) in PopoverBase (created by Tooltip) in Tooltip (created by MastheadToolbarContents_) in div (created by ToolbarItem) in ToolbarItem (created by MastheadToolbarContents_) in div (created by ToolbarGroup) in ToolbarGroup (created by MastheadToolbarContents_) in div (created by Toolbar) in Toolbar (created by MastheadToolbarContents_) in MastheadToolbarContents_ (created by ConnectFunction) in ConnectFunction (created by ConnectFunction) in ConnectFunction in Unknown in Unknown (created by ConnectFunction) in ConnectFunction (created by Firehose) in Firehose (created by ConnectFunction) in ConnectFunction in Unknown (created by ConnectFunction) in ConnectFunction in div (created by Context.Consumer) in header (created by Context.Consumer) in PageHeader in Unknown (created by App) in div (created by Page) in Page (created by App) in App (created by Context.Consumer) in Route in Switch in Router in Provider react-dom.development.js:545 Warning: Each child in a list should have a unique "key" prop. Check the render method of `MastheadToolbarContents_`. See https://fb.me/react-warning-keys for more information. in ApplicationLauncherItem (created by MastheadToolbarContents_) in MastheadToolbarContents_ (created by ConnectFunction) in ConnectFunction (created by ConnectFunction) in ConnectFunction in Unknown in Unknown (created by ConnectFunction) in ConnectFunction (created by Firehose) in Firehose (created by ConnectFunction) in ConnectFunction in Unknown (created by ConnectFunction) in ConnectFunction in div (created by Context.Consumer) in header (created by Context.Consumer) in PageHeader in Unknown (created by App) in div (created by Page) in Page (created by App) in App (created by Context.Consumer) in Route in Switch in Router in Provider react.development.js:172
did not see these two warning of masthead toolbar 4.5.0-0.nightly-2020-05-06-003431
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:2409