v8:
-* escaping in config files (for whitespace)?
-* make dh_install use hard links for efficiency (maybe?)
-* dh_installinit --restart-after-upgrade as default?
* clean up dh's handling of options passed onto commands it calls,
by implementing one of the changes discussed in #570039
(either change #3, change #4, or change #5; change #0 was done, but
-g -O2 by default. See patch (and discussion of why this breaks
compatability) in #544844.
+v9:
+
+* 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