<?xml version="1.0"?> <!-- This Source Code Form is subject to the terms of the Mozilla Public - License, v. 2.0. If a copy of the MPL was not distributed with this - file, You can obtain one at http://mozilla.org/MPL/2.0/. --> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>about:compartments</title> <meta name="viewport" content="width=device-width"/> </head> <body>about:compartments no longer exists. The lists of compartments and ghost windows can now be found in the "Other Measurements" section of about:memory.</body> </html>