On macOS the dropdown menu used in Console has a border, but not the new one in Network. Needs a follow-up bug?
Bug 1459175 Comment 27 Edit History
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On macOS the dropdown menu used in Console has a border, but not the new one in Network. Needs a follow-up bug? The separator between "Persist Logs" and "Import HAR File" is a menu item which can receive keyboard focus.