diff --git a/include/armadillo_bits/arma_config.hpp b/include/armadillo_bits/arma_config.hpp
index 3670199e..139efa7d 100644
--- a/include/armadillo_bits/arma_config.hpp
+++ b/include/armadillo_bits/arma_config.hpp
@@ -181,6 +181,13 @@ struct arma_config
   #endif
   
   
+  #if defined(ARMA_HAVE_CXX23)
+    static constexpr bool cxx23 = true;
+  #else
+    static constexpr bool cxx23 = false;
+  #endif
+  
+  
   #if (!defined(ARMA_DONT_USE_STD_MUTEX))
     static constexpr bool std_mutex = true;
   #else
diff --git a/include/armadillo_bits/compiler_check.hpp b/include/armadillo_bits/compiler_check.hpp
index 8a653d24..b6fbd8a6 100644
--- a/include/armadillo_bits/compiler_check.hpp
+++ b/include/armadillo_bits/compiler_check.hpp
@@ -20,6 +20,7 @@
 #undef ARMA_HAVE_CXX14
 #undef ARMA_HAVE_CXX17
 #undef ARMA_HAVE_CXX20
+#undef ARMA_HAVE_CXX23
 
 #if (__cplusplus >= 201103L)
   #define ARMA_HAVE_CXX11
@@ -37,6 +38,10 @@
   #define ARMA_HAVE_CXX20
 #endif
 
+#if (__cplusplus >= 202302L)
+  #define ARMA_HAVE_CXX23
+#endif
+
 
 // MS really can't get its proverbial shit together
 #if defined(_MSVC_LANG)
@@ -59,6 +64,11 @@
     #define ARMA_HAVE_CXX20
   #endif
   
+  #if (_MSVC_LANG >= 202302L)
+    #undef  ARMA_HAVE_CXX23
+    #define ARMA_HAVE_CXX23
+  #endif
+  
 #endif
 
 
diff --git a/include/armadillo_bits/debug.hpp b/include/armadillo_bits/debug.hpp
index 7a0b95c2..b436c432 100644
--- a/include/armadillo_bits/debug.hpp
+++ b/include/armadillo_bits/debug.hpp
@@ -263,8 +263,7 @@ arma_print(const T1& x, const T2& y, const T3& z)
 //
 // arma_sigprint
 
-//! print a message to the log stream with a preceding @ character.
-//! by default the log stream is cout.
+//! print a message to the cerr stream with a preceding @ character.
 //! used for printing the signature of a function
 //! (see the arma_extra_debug_sigprint macro) 
 inline
@@ -1424,6 +1423,7 @@ arma_assert_atlas_size(const T1& A, const T2& B)
         out << "@ arma_config::cxx14            = " << arma_config::cxx14            << '\n';
         out << "@ arma_config::cxx17            = " << arma_config::cxx17            << '\n';
         out << "@ arma_config::cxx20            = " << arma_config::cxx20            << '\n';
+        out << "@ arma_config::cxx23            = " << arma_config::cxx23            << '\n';
         out << "@ arma_config::std_mutex        = " << arma_config::std_mutex        << '\n';
         out << "@ arma_config::posix            = " << arma_config::posix            << '\n';
         out << "@ arma_config::openmp           = " << arma_config::openmp           << '\n';