There are fears that many children with autism or learning difficulties will fall between the cracks of a new support system that aims to limit access to the National Disability Insurance Scheme. The Thriving Kids initiative will be rolled out from the middle of next year, with a focus on providing support to children with so-called mild to moderate autism within community and mainstream settings. But disability advocates have told a parliamentary inquiry it is these children that are most often overlooked or misunderstood.