The Connectome Computation System (CCS) was previously reported in the Science Bulletin [1].Here,we describe a summary of the 6-year CCS updates (2015-2021),which are accessible at https://github.com/zuoxinian/CCS.These updates contain many utilities of mining developmental neuroimaging data.Specifically,H1 module covers the data cleaning and preprocessing and refines the implementations of face-masking,brain extraction,denoising,and frequency banding.