Vector Markup Language MHT). Such files retain complete vector information, and can be reopened for editing using other Microsoft applications, such as Microsoft PowerPoint. VML was natively supported by Microsoft's Internet Explorer up to version 9 inline within HTML, using an undefined version of SGML namespaces. Support for VML was dropped in Internet Explorer 10 and subsequent versions. Support for "ink annotations" in Office Open XML files was added to LibreOffice during the 3.7 development cycle. VML is not natively supported by most web browsers. Web browsers such as Mozilla Firefox, Opera, Safari or Google Chrome support SVG instead of VML. Though VML
Firefox for Android browser components become outdated, increasingly insecure, and unable to properly render modern websites. As a workaround, a Google engineer suggested using the separately-installable and updateable Google Chrome or Firefox browsers. In case of Ice Cream Sandwich (4.0.x), Google stopped supporting that branch of Android with updates to its Chrome browser after Chrome 43, and move up to Android 4.1 as the oldest release supported by Google Chrome. The open-source nature of Firefox has made it possible to maintain its development for operating system versions that are past their product support lifecycle, and has resulted in Firefox having stronger security and