> In 2013, the DSM-5 replaced Autistic Disorder, Asperger’s Disorder and other pervasive developmental disorders with the umbrella diagnosis of autism spectrum disorder.
It's still widely used as a term, given the people diagnosed with it retain their diagnosis. There's also a lexical lacuna without it for "autistic, but close to neurotypical-presenting", so it fills a need there in a way "autism" and even "high functioning autism" don't.
> In 2013, the DSM-5 replaced Autistic Disorder, Asperger’s Disorder and other pervasive developmental disorders with the umbrella diagnosis of autism spectrum disorder.