* Noteworthy changes in release ?.? (????-??-??) [?]
+Update gnulib, and support latest versions of automake and autoconf.
+
+Remove outdated and irrelevant material from the contrib directory, which is
+now itself removed.
+
+Thanks in particular to Collin Funk for most of the build system updates.
* Noteworthy changes in release 2.12.1 (2022-05-30) [stable]