A major release with faster long read decontamination and support for stdin and stdout for both single and paired reads. Interleaved paired reads are now supported via stdin and stdout. A small breaking change has been made to hostile clean: the --out-dir argument has been renamed to --output, and now accepts - to write output to stdout rather than files. Decontamination accuracy is unchanged. Added Faster long read decontamination due to automatic caching of MMI indexes Support for streaming data input via stdin for both single and interleaved paired FASTQ (#35) Support for streaming data output via stdout for both single and interleaved paired FASTQ Automatic allocation of available cores between alignment and compression tasks Support for Illumina CASAVA 1.8+ read headers (#41) Ability to override remote index repository URL Changed Fixed bug in inverted mode --invert with paired reads (#42 ) --fastq1 and --fastq2 now accept - to read from stdin --out-dir argument of hostile clean renamed to --output (or -o) Now accepts - to write reads to stdout rather than files Reorganised index-related functionality into hostile index subcommands hostile fetch replaced with hostile index fetch --offline renamed to --airplane Improved warnings and error messages Pins Bowtie2>=2.5.4 and Minimap2>=2.28 Removed space before /1 and /2 when writing paired FASTQ