It had been documented there before for the Automake 1.11 requirement.
* NEWS: Mention the change.
+2022-03-13 Ben Pfaff <blp@cs.stanford.edu>
+
+ Document Automake 1.14 requirement in NEWS, too, since it had been
+ documented there before for the Automake 1.11 requirement.
+ * NEWS: Mention the change.
+
2022-03-13 Bruno Haible <bruno@clisp.org>
sigsegv: Add support for Linux/PowerPC (32-bit) with musl libc.
Date Modules Changes
+2022-02-20 (all) Automake >= 1.14 and Autoconf >= 2.64 are required.
+
2021-06-04 (all) The license notices in source files are now really
stating the effective license, rather than a fake
GPL notice.