The 2.1 version of HiCExplorer comes with new features and bugfixes. Adding the new feature hicAggregateContacts: A tool that allows plotting of aggregated Hi-C sub-matrices of a specified list of positions. Many improvements to the documentation and the help text. Thanks to @GinaRe and @gtrichard. hicPlotMatrix: supports only bigwig files for an additional data track. the argument --pca was renamed to --bigwig Smoothing the bigwig values to neighboring bins if no data is present there Fixes to a bug concerning a crash of tight_layout Adding the possibility to flip the sign of the values of the bigwig track Adding the possibility to scale the values of the bigwig track hicPlotViewpoint: Adds a feature to plot multiple matrices in one image cooler file format: supports mcool files applies correction factors if present optionally reads bin['weight'] fixes: a crash in hicPlotTads if horizontal lines were used checks if all characters of a title are ASCII. If not they are converted to the closest looking one. Updated and fixate version number of the dependencies