2016-02-16 UTC
# 
rhiaro Arnaud: You're right, any time you use some extension you won't achieve the same level of interoperability that you have otherwise. But there is a sweet spot we're trying to find where we're not trying to cover the world, and at the same time tryign to provide a core set of functionality taht will address most of your use cases, but leave the door open for those who need to go beyond