 Following a nine year hiatus of updates for the project since 2010, on June 4, 2019 Federico Mena accepted maintainership of the bzip2 project.bzip2 compresses most files more effectively than the older LZW (.Z) and Deflate (.zip and .gz) compression algorithms, but is considerably slower.LZMA is generally more space-efficient than bzip2 at the expense of even slower compression speed, while having much faster decompression.