updated documentation for version 5.9

Author: esys-escript

doc/user/changes.tex

@@ -16,6 +16,16 @@
 \chapter{Changes from previous releases}
 \label{app:changes}
 
+\subsection*{5.9}
+\begin{itemize}
+\item escript is now compatible with OPENMPI 4.*
+\item escript is now compatible with Trilinos 13.*
+\item escript now uses scipy.interpolate.griddata instead of the deprecated matplotlib.mlab.griddata
+\item Updated API
+\item Automated unit testing using github
+\item Various bug fixes
+\end{itemize}
+
 \subsection*{5.8}
 \begin{itemize}
 \item Improved unit testing using Dockerfiles