Subj : DD Upload Processor: More robust filename extension matching based on To : GitLab note in main/sbbs From : Rob Swindell Date : Thu Feb 05 2026 03:40 pm https://gitlab.synchro.net/main/sbbs/-/merge_requests/606#note_8226 Yeah, my solution for that in Synchronet was to just rename .tar.gz files to .tgz. :-) According to https://github.com/libarchive/libarchive, ZST-compress tar files are supported, so you should be able to list and extract such files just using the built-in Archive JS class. .