What's new in the Bookworm release?
This page is still a work in progress.
Bookworm is currently in the testing phase. All issues described here are subject to change. Use Bookworm at your own risk.
The tempfile and rename.ul programs have been removed. Any scripts which use either of these commands will need to be changed. Suitable replacements are mktemp and file-rename respectively.
The which program has been deprecated, and writes a warning to standard error (but still works, so long as stderr is not being captured along with stdout). Shell script writers are advised to use command -v instead. Interactive bash shell users are advised to use type, or type -a. In zsh which is already a shell builtin, so interactive zsh users are not affected.