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@@ -2341,18 +2341,16 @@ <h1 id="chemshell">ChemShell</h1>
 <p>The advice from <a href="https://www.chemshell.org/licence">https://www.chemshell.org/licence</a> on the difference
 is:</p>
 <blockquote>
-<p>We regard Py-ChemShell 21.0 as suitable for production calculations on 
-materials systems, and would encourage materials modellers to consider 
-switching from Tcl-ChemShell to Py-ChemShell if they haven't already 
-done so.</p>
-<p>Py-ChemShell 21.0 is the first beta release to include support for 
-calculations on biomolecular systems, including a guided protein solvation 
-workflow and automated import of CHARMM and AMBER forcefields for 
-biomolecular QM/MM calculations. We encourage experienced ChemShell users 
-to try the new functionality and send us feedback on your experience. For 
-new users, we would currently still recommend using Tcl-ChemShell for 
-biomolecular calculations until the next beta release of Py-ChemShell, 
-which is anticipated for summer 2022.</p>
+<p>We consider Py-ChemShell 23.0 to be suitable for production 
+calculations on both materials systems and biomolecules, and
+recommend that new ChemShell users should use the Python-based 
+version.</p>
+<p>We continue to maintain the original Tcl-based version of ChemShell
+and distribute it on request. Tcl-ChemShell currently contains some 
+features that are not yet available in Py-ChemShell (but will be 
+soon!) including a QM/MM MD driver and multiple electronic state 
+calculations. At the present time if you need this functionality 
+you will need to obtain a licence for Tcl-Chemshell.</p>
 </blockquote>
 <h2 id="useful-links">Useful Links</h2>
 <ul>