Software works when it does. If you take the time and do it right, it will last longer than the ego and patience of the user. If you rush, them you need to build customer support and user communities to clean up your mess.
For Jolla you have a choice, have it done well, or have it done quick. Live with your choice, but unless you are an investor or team developer, what you live with is a lot less painful than the heel bruises you get as you jump up and down for wanting it now.