The Apache OpenNLP team is pleased to announce the release of Apache OpenNLP 2.5.4. The Apache OpenNLP library is a machine learning based toolkit for the processing of natural language text. It supports the most common NLP tasks, such as tokenization, sentence segmentation, part-of-speech tagging, named entity extraction, chunking, parsing, and coreference resolution. Apache OpenNLP 2.5.4 binary and source distributions are available for download from our download page . The OpenNLP library is distributed by Maven Central as well. See the Maven Dependency page for more details: Maven Dependency What’s new in Apache OpenNLP 2.5.4 In total, this release tackles 28 issues and brings several dependency updates, bug fixes, additions and a modernization of the stemmer classes. The OpenNLP UIMA component has received many more unit tests (see: OPENNLP-385). Other (sandbox) components also received further unit tests, raising the corresponding test coverage. For all changes, please see the full list found in Jira . –The Apache OpenNLP Team