Add news message for StatET 4.3.0 release

Signed-off-by: Stephan Wahlbrink <sw@wahlbrink.eu>
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 >mailing list</a> to keep up to date!</p>
 
 <div class="message">
+<p class="message-info" id="statet-4.3.0-r">
+	<a href="https://www.eclipse.org/lists/statet-users/msg00112.html" class="message-stamp">2021-02-18
+			| &#x1F4E7;[statet-users]:</a>
+	<a href="https://accounts.eclipse.org/users/stwahlbrin" class="message-author">(sw)</a>
+</p>
+<div class="message-content">
+<h3>[Ann] StatET 4.3.0 Release</h3>
+
+<p>I am pleased to announce <a href="https://projects.eclipse.org/projects/science.statet/releases/4.3.0"
+title="StatET 4.3.0 - Release Record">StatET 4.3.0</a>, the Eclipse-based IDE for the R language.</p>
+
+<p>This release focus on improvements in the RJ library and full support of Java 11. Please note
+that Java version 10 and lower is no longer supported by Eclipse IDE 2020-12 and StatET 4.3, see
+also <a href="noteworthy-4.3.php" title="StatET 4.3 - New and Noteworthy">here</a>.</p>
+
+<p>The new version is available for <a href="https://www.eclipse.org/downloads/packages/release/2020-12/r"
+title="Eclipse IDE 2020-12 - Downloads">Eclipse IDE 2020-12</a>.
+StatET 4.3 officially supports R 3.5 - 4.0, but other versions of R may work too.</p>
+
+<h5>Download / Installation</h5>
+
+<p>To install the new version, you can use the following update site:<br/>
+<code>https://download.eclipse.org/statet/releases/4.3/E202012</code><br/>
+For other download options, please check the <a href="/statet/downloads/4.3.php" title="StatET 4.3 - Downloads"
+>download page</a>.</p>
+
+<p>If you want to use the advanced console (RJ) with R, you need the R package 'rj' for your R
+version as before. The packages for GNU R (<a href="https://gitlab.com/walware/de.walware.rj-server.gr"
+title="RJSrv for GNU R">RJSrv4GR</a>) are not part of the Eclipse StatET project, for installation
+see the <a href="https://gitlab.com/walware/de.walware.rj-server.gr/wikis/Installation" title="RJSrv for GNU R - Installation"
+>instructions at the project site at GitLab</a>.<br/>
+The R packages with version numbers 4.0.x (for RJ 4.0) are also compatible with StatET 4.3. I
+recommend to update to the latest release 4.0.2, if not yet done. </p>
+
+<p>Thanks to everyone who has contributed to this release.</p>
+</div></div>
+
+<div class="message">
 <p class="message-info" id="statet-4.2.3-r">
 	<a href="https://www.eclipse.org/lists/statet-users/msg00111.html" class="message-stamp">2021-02-11
 			| &#x1F4E7;[statet-users]:</a>