Arq's data format description says that the other supported compression type is gzip, which I assume was used before: https://www.arqbackup.com/arq_data_format.

Arq's data format description says that the other supported compression type is gzip, which I assume was used before: https://www.arqbackup.com/arq_data_format.txt https://www.arqbackup.com/arq_data_format.txt