diff --git a/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml b/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
index f735a59946..1bcfdc980d 100644
--- a/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
+++ b/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
@@ -606,6 +606,23 @@ is spelled &, < is < and > is >.
13.0-CURRENT after correcting the C++ version check for
declaring &man.timespec.get.3;.
+
+
+ 1300065
+ 355643
+ December 12, 2019
+ 13.0-CURRENT after adding sigsetop extensions commonly
+ found in musl libc and glibc.
+
+
+
+ 1300066
+ 355679
+ December 12, 2019
+ 13.0-CURRENT after changing the internal interface
+ between the NFS modules as part of the introduction of
+ NFS 4.2.
+