diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index b42de1bdb..2109978fe 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -229,7 +229,8 @@ ALIASES                = "only_for_vectors=This is only for vectors (either row-
                          "blank= " \
                          "cpp11=<span class='cpp11'>[c++11]</span>" \
                          "cpp14=<span class='cpp14'>[c++14]</span>" \
-                         "cpp17=<span class='cpp17'>[c++17]</span>"
+                         "cpp17=<span class='cpp17'>[c++17]</span>" \
+                         "newin{1}=<span class='newin3x'>New in %Eigen \1.</span>"
                          
 
 ALIASES += "eigenAutoToc=  "
diff --git a/doc/eigendoxy.css b/doc/eigendoxy.css
index 6274e6c70..6ce2b839b 100644
--- a/doc/eigendoxy.css
+++ b/doc/eigendoxy.css
@@ -181,6 +181,11 @@ span.cpp11,span.cpp14,span.cpp17 {
   font-weight: bold;
 }
 
+.newin3x {
+  color: #a37c1a;
+  font-weight: bold;
+}
+
 /**** old Eigen's styles ****/