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<title>Apache UIMA Ruta v2.5.1 Release Notes</title>
<h1>Apache UIMA Ruta&#8482; v2.5.1 Release Notes</h1>
<a href="">1. What is UIMA Ruta</a><br/>
<a href="#major.changes">2. Major Changes in this Release</a><br/>
<a href="#get.involved">3. How to Get Involved</a><br/>
<a href="#report.issues">4. How to Report Issues</a><br/>
<a href="#list.issues">5. List of JIRA Issues Fixed in this Release</a>
<h2><a name="">1. What is UIMA Ruta?</a></h2>
Apache UIMA Ruta&#8482; is a rule-based script language supported by Eclipse-based tooling.
The language is designed to enable rapid development of text processing applications within Apache UIMA&#8482;.
A special focus lies on the intuitive and flexible domain specific language for defining
patterns of annotations. The Eclipse-based tooling for Ruta, called the Ruta Workbench,
was created to support the user and to facilitate every step when writing Ruta rules. Both the
Ruta rule language and the Ruta Workbench integrate smoothly with Apache UIMA.
<h2><a name="major.changes">2. Major Changes in this Release</a></h2>
<p>UIMA Ruta Language and Analysis Engine:</p>
<li>Typesystem descriptors with JCasGen classes are located in separate artifact</li>
<li>Minimal support of feature structures in feature match expressions</li>
<li>Many bug fixes and improvements, especially for label expressions</li>
<p>UIMA Ruta Workbench:</p>
<li>Direct debugging of launched scripts in Java is supported</li>
<li>Improved error messages in launcher</li>
<li>Removed restriction of classpath size causing problems in launcher</li>
<li>Deactivated noVM preference</li>
<li>Launcher uses project encoding</li>
<li>Bug fixes</li>
Although this is a bugfix release, semantic versioning indicates that this release is not
backward compatible due to some modified public interfaces. These changes are either required for bugfixes or
for compatibility towards UIMA version 3 and should not cause any problems when migrating.
<h2><a name="get.involved">3. How to Get Involved</a></h2>
The Apache UIMA Ruta project really needs and appreciates any contributions,
including documentation help, source code and feedback. If you are interested
in contributing, please visit
<a href=""></a>.
<h2><a name="report.issues">4. How to Report Issues</a></h2>
The Apache UIMA project uses JIRA for issue tracking. Please report any
issues you find at
<a href=""></a>
<h2><a name="list.issues">5. List of JIRA Issues Fixed in this Release</a></h2>
Click <a href="issuesFixed/jira-report.html">issuesFixed/jira-report.html</a> for the list of
issues fixed in this release.