Only the beta and stable channels of Chrome for Windows will be effected by the change, and Google notes that most users shouldn't even notice a difference — if developers make the changeover correctly, extensions themselves should migrate seamlessly. Developers and enterprise users, meanwhile, will retain the option to perform local extension installs. The change does mean that some developers will have to pay a reasonable $5 fee to register and host their extensions on the store, and if the extension costs money, Google charges a 5 percent fee. An unintended side effect of the security measure is that a number of non-malicious extensions that violate Google's terms of service in other ways will effectively be shut out.