There is no longer a Save Password option in the Minecraft launcher. This means that it is no longer possible to NOT save the password, a big problem if like me you use PCs that are not exclusively your own PC (e.g. Family or Friends PC or even a public PC).

I have in the past had my account used by a relative for griefing on servers and been banned which taught me not to tick the save password box, but now I don't have a choice.