Changes in version 1.5.2 (2024-07-05) o Change in a header to void new warning in C++20 due to the use of template in a header. Changes in version 1.5.1 o Read/write to/from .csv or .tsv checked to avoid strange behaviours when .csv has no row and/or column names. Changes in version 1.5 (2023-10-08) o Added functions to read/write to/from .csv or .tsv file to create jmatrix files o Added function to filter rows or columns by their names directly from jmatrix files to create a new jmatrix file o Added possibility of reading symmetric matrices from .csv or .tsv files Changes in version 1.4 (2023-06-22) o Corrected errors in GetJRow and GetJCol for symmetric matrices when indices are bigger than 65536 Changes in version 1.3 o Error in JMatInfo messages (it did not affect functionality) o Error in reading of csv files with tabs (tsv) corrected o Supression of file.remove in vignette at all times and replacement by files in temporary R directory o Correction in the help of some functions. Changes in version 1.2 o Function GetSubdiag supressed. It remains only in packages parallelpam and scellpam where it makes sense