via Science Direct, 06 February 2018:
A language previously unknown to linguists — dubbed Jedek — has been found in the Malay Peninsula, researchers from Sweden report. The community in which Jedek is spoken is more gender-equal than Western societies, there is almost no interpersonal violence, they consciously encourage their children not to compete, and there are no laws or courts, according to the researchers.
Source: Language previously unknown to linguists discovered in Southeast Asia