Gazelle (web browser) a predecessor project, "MashupOS", but with "Gazelle" the emphasis was on a more secure browser. By the July 2009 announcement of Google Chrome OS, Gazelle was seen as a possible alternative Microsoft architectural approach compared to Google's direction. That is, rather than the OS being reduced in role to that of a browser, the browser would be strengthened using OS principles. The "Gazelle" project became dormant, and "ServiceOS" arose as a replacement project also related to browser architectures. But by 2015, the SecureOS project was also dormant, after Microsoft decided that its new flagship browser would be Edge. Gazelle (web
Chromium (web browser) of "Conceivably Tech" stated about this version and the development of it, "it is obvious that Google is plugging along and is fine-tuning its browser … Chrome isn't surrendering its perception of the most advanced browser today anytime soon." As development wound up in early September 2011 Chromium 15 also gained a "self-crashing" feature that crashes the browser if a close command is not completed in 25 seconds, smooth scrolling when using the space bar, automatic pre- and auto-logins to Google's own web pages, task bar logos to show different profiles, greatly enhanced synchronization customization, including optional search engine synchronization