diff --git a/ChangeLog b/ChangeLog
index d70b82e1..a6e12874 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2025-08-08  Dirk Eddelbuettel  <edd@debian.org>
+
+	* inst/include/armadillo_bits/: Armadillo 14.6.2
+
 2025-07-22  Dirk Eddelbuettel  <edd@debian.org>
 
 	* .github/workflows/ci.yaml: Comment-out coverage
diff --git a/inst/include/armadillo_bits/arma_version.hpp b/inst/include/armadillo_bits/arma_version.hpp
index bbf9b23b..20950820 100644
--- a/inst/include/armadillo_bits/arma_version.hpp
+++ b/inst/include/armadillo_bits/arma_version.hpp
@@ -23,7 +23,7 @@
 
 #define ARMA_VERSION_MAJOR 14
 #define ARMA_VERSION_MINOR 6
-#define ARMA_VERSION_PATCH 1
+#define ARMA_VERSION_PATCH 2
 #define ARMA_VERSION_NAME  "Caffe Mocha"
 
 
diff --git a/inst/include/armadillo_bits/op_omit_meat.hpp b/inst/include/armadillo_bits/op_omit_meat.hpp
index 16c6cbaa..06d97f2a 100644
--- a/inst/include/armadillo_bits/op_omit_meat.hpp
+++ b/inst/include/armadillo_bits/op_omit_meat.hpp
@@ -56,7 +56,7 @@ op_omit::apply(Mat<typename T1::elem_type>& out, const T1& X, functor is_omitted
   
   typedef typename T1::elem_type eT;
   
-  if(is_Mat<T1>::value || is_subview_col<T1>::value || is_Mat<typename Proxy<T1>::stored_type>::value || Proxy<T1>::use_mp)
+  if(is_Mat<T1>::value || is_subview_col<T1>::value || is_Mat<typename Proxy<T1>::stored_type>::value || (arma_config::openmp && Proxy<T1>::use_mp))
     {
     const quasi_unwrap<T1> U(X);
     
@@ -160,7 +160,7 @@ op_omit_cube::apply(Mat<typename T1::elem_type>& out, const T1& X, functor is_om
   
   typedef typename T1::elem_type eT;
   
-  if(is_Cube<T1>::value || is_Cube<typename ProxyCube<T1>::stored_type>::value || ProxyCube<T1>::use_mp)
+  if(is_Cube<T1>::value || is_Cube<typename ProxyCube<T1>::stored_type>::value || (arma_config::openmp && ProxyCube<T1>::use_mp))
     {
     const unwrap_cube<T1> U(X);
     
diff --git a/inst/include/armadillo_bits/op_sum_bones.hpp b/inst/include/armadillo_bits/op_sum_bones.hpp
index c580a204..387c9aac 100644
--- a/inst/include/armadillo_bits/op_sum_bones.hpp
+++ b/inst/include/armadillo_bits/op_sum_bones.hpp
@@ -32,10 +32,13 @@ class op_sum
   
   template<typename T1>
   inline static void apply(Mat<typename T1::elem_type>& out, const Op< eOp<T1,eop_square>, op_sum >& in);
-
+  
   template<typename T1>
   inline static void apply(Mat<typename T1::elem_type>& out, const Op< eOp<T1,eop_pow   >, op_sum >& in);
-
+  
+  template<typename T1>
+  inline static void apply_generic(Mat<typename T1::elem_type>& out, const Op<T1,op_sum>& in);
+  
   template<typename eT>
   inline static void apply_mat_noalias(Mat<eT>& out, const Mat<eT>& X, const uword dim);
   
diff --git a/inst/include/armadillo_bits/op_sum_meat.hpp b/inst/include/armadillo_bits/op_sum_meat.hpp
index 7eb044d5..88c74ad9 100644
--- a/inst/include/armadillo_bits/op_sum_meat.hpp
+++ b/inst/include/armadillo_bits/op_sum_meat.hpp
@@ -28,46 +28,7 @@ op_sum::apply(Mat<typename T1::elem_type>& out, const Op<T1,op_sum>& in)
   {
   arma_debug_sigprint();
   
-  typedef typename T1::elem_type eT;
-  
-  const uword dim = in.aux_uword_a;
-  
-  arma_conform_check( (dim > 1), "sum(): parameter 'dim' must be 0 or 1" );
-  
-  if((is_Mat<T1>::value) || (is_Mat<typename Proxy<T1>::stored_type>::value) || (arma_config::openmp && Proxy<T1>::use_mp))
-    {
-    const quasi_unwrap<T1> U(in.m);
-    
-    if(U.is_alias(out))
-      {
-      Mat<eT> tmp;
-      
-      op_sum::apply_mat_noalias(tmp, U.M, dim);
-      
-      out.steal_mem(tmp);
-      }
-    else
-      {
-      op_sum::apply_mat_noalias(out, U.M, dim);
-      }
-    }
-  else
-    {
-    const Proxy<T1> P(in.m);
-    
-    if(P.is_alias(out))
-      {
-      Mat<eT> tmp;
-      
-      op_sum::apply_proxy_noalias(tmp, P, dim);
-      
-      out.steal_mem(tmp);
-      }
-    else
-      {
-      op_sum::apply_proxy_noalias(out, P, dim);
-      }
-    }
+  op_sum::apply_generic(out, in);
   }
 
 
@@ -85,12 +46,12 @@ op_sum::apply(Mat<typename T1::elem_type>& out, const Op< eOp<T1,eop_square>, op
   
   typedef typename inner_expr_type::proxy_type::stored_type inner_expr_P_stored_type;
   
-  const uword dim = in.aux_uword_a;
-  
-  arma_conform_check( (dim > 1), "sum(): parameter 'dim' must be 0 or 1" );
-  
   if(is_Mat<inner_expr_P_stored_type>::value)
     {
+    const uword dim = in.aux_uword_a;
+    
+    arma_conform_check( (dim > 1), "sum(): parameter 'dim' must be 0 or 1" );
+    
     const quasi_unwrap<inner_expr_P_stored_type> U(in.m.P.Q);
     
     if(U.is_alias(out))
@@ -105,42 +66,11 @@ op_sum::apply(Mat<typename T1::elem_type>& out, const Op< eOp<T1,eop_square>, op
       {
       op_sum::apply_mat_square_noalias(out, U.M, dim);
       }
-    }
-  else
-  if(arma_config::openmp && Proxy<inner_expr_type>::use_mp)
-    {
-    const quasi_unwrap<inner_expr_type> U(in.m);  // force evaluation of compound inner expression
     
-    if(U.is_alias(out))
-      {
-      Mat<eT> tmp;
-      
-      op_sum::apply_mat_noalias(tmp, U.M, dim);
-      
-      out.steal_mem(tmp);
-      }
-    else
-      {
-      op_sum::apply_mat_noalias(out, U.M, dim);
-      }
-    }
-  else
-    {
-    const Proxy<inner_expr_type> P(in.m);
-    
-    if(P.is_alias(out))
-      {
-      Mat<eT> tmp;
-      
-      op_sum::apply_proxy_noalias(tmp, P, dim);
-      
-      out.steal_mem(tmp);
-      }
-    else
-      {
-      op_sum::apply_proxy_noalias(out, P, dim);
-      }
+    return;
     }
+  
+  op_sum::apply_generic(out, in);
   }
 
 
@@ -172,17 +102,27 @@ op_sum::apply(Mat<typename T1::elem_type>& out, const Op< eOp<T1,eop_pow>, op_su
     return;
     }
   
-  typedef eOp<T1,eop_pow> inner_expr_type;
+  op_sum::apply_generic(out, in);
+  }
+
+
+
+template<typename T1>
+inline
+void
+op_sum::apply_generic(Mat<typename T1::elem_type>& out, const Op<T1,op_sum>& in)
+  {
+  arma_debug_sigprint();
   
-  typedef typename inner_expr_type::proxy_type::stored_type inner_expr_P_stored_type;
+  typedef typename T1::elem_type eT;
   
   const uword dim = in.aux_uword_a;
   
   arma_conform_check( (dim > 1), "sum(): parameter 'dim' must be 0 or 1" );
   
-  if( (is_Mat<inner_expr_P_stored_type>::value) || (arma_config::openmp && Proxy<inner_expr_type>::use_mp) )
+  if((is_Mat<T1>::value) || (is_Mat<typename Proxy<T1>::stored_type>::value) || (arma_config::openmp && Proxy<T1>::use_mp))
     {
-    const quasi_unwrap<inner_expr_type> U(in.m);  // force evaluation of eop_pow
+    const quasi_unwrap<T1> U(in.m);
     
     if(U.is_alias(out))
       {
@@ -199,7 +139,7 @@ op_sum::apply(Mat<typename T1::elem_type>& out, const Op< eOp<T1,eop_pow>, op_su
     }
   else
     {
-    const Proxy<inner_expr_type> P(in.m);
+    const Proxy<T1> P(in.m);
     
     if(P.is_alias(out))
       {