penguin_compBrowser plugins (or extensions) had long been a source of security and stability issues for major browsers. While Microsoft IE does not have a rich set of extensions like Firefox or Google Chrome, the latter two also suffer from the problems of having innumerable plugins available. The latest updates on this front are bad news for plugin lovers. While Google Chrome is going to switch its plugin framework from the legacy NPAPI one, Firefox is going to add more restrictions to enabling and using plugins. And who knows, maybe within a few years they may even remove the plugin support for good. Personally, I use very few plugins so that I don’t bloat my browsers. I also think that there is a lack of robust and solid test framework for all the browser plugins and in most of the cases they are under-tested. Here are some relevant and official articles: