v9: * Support DEB_BUILD_OPTIONS=debug ; maybe also support passing -g -O2 by default. See patch (and discussion of why this breaks compatability) in #544844. * escaping in config files (for whitespace)? * dh_installinit --restart-after-upgrade as default? Deprecated: * DH_COMPAT 1, 2, 3, 4. Can be removed once all packages are seen to be using a newer version. I won't hold my breath. (2 and 3 are getting close though.) * dh_suidregister. Once nothing in the archive uses it. * dh_installmanpages. * dh_movefiles. I won't hold my breath. Have not added deprecation docs or message yet. * dh_undocumented * dh_installinit --init-script (make it warn) * dh_python * dh_clean -k * dh_desktop, dh_scrollkeeper. Remove eventually.. * -s flag, not formally deprecated yet; remove eventually * -u flag; add a warning on use and remove eventually * delsubstvar() and the last parameter to addsubstvar that makes it remove a string are not used in debhelper itself, but have been left in the library in case other things use them. Deprecate and remove. * dh --before , --after , --until , --remaining (not formally deprecated yet) * debian/compress files * deprecate dh_gconf for dh_installgsettings (stuff should be migrating away from gconf, and then I can just remove it -- have not added warning or depreaction docs yet) Also, grep the entire archive for all dh_* command lines, and check to see what other switches are not being used, and maybe remove some of them.