Continuing news are somewhat related to the intention to increase residency time for citizenship:
Portugal to hit 1.6 million foreign resident mark
At 1:10, he says:
…Precisamos de rever os requisites de atribução da nacionalidade portuguesa designadamente quanto ao prazo minimo de residencia e presença em território nacional……
In English: we have to re-look at the requirement of Portuguese citizenship process. Specifically the minimum period of residency and the presence in the national territory. 
