The Apache Software Foundation

The Apache POI is pleased to announce the release of POI 3.8.  The release is available for download at:

http://poi.apache.org/download.html

See the full release notes below for details about this release.

Release Notes -- Apache POI -- Version 3.8

Introduction

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Apache POI is well-known in the Java field as a library for reading and writing Microsoft Office file formats, such as Excel, PowerPoint, Visio and Word. See http://poi.apache.org/ for more details

Apache POI 3.8 is an incremental feature release based on and compatible with earlier POI 3.8-beta* releases. POI 3.8 is considered stable and recommended for production use.

Release highlights:

* NPOIFS:  NIO driven API to read OLE2 filesystems with low memory footprint.

* SXSSF:  a low-memory footprint  API built on top of XSSF that can be used when very large spreadsheets have to be produced, and heap space is limited

* poi-excelant: Ant tasks for running POI against a workbook

* Supported evaluation of new Excel formulas:

IRR,NPV,MROUND,VAR,VARP,CLEAN,CHAR,ADDRESS,HOUR,MINUTE,SECOND,RATE,WORKDAY,NETWORKDAYS,SUMIFS,RANK

* XSLF usermodel API:  POI's implementation of the PowerPoint 2007 OOXML (.xlsx) file format. XSLF provides a rich usermodel API and a PPTX2PNG utility to export slides to images.

* WordToFO, WordToHtml and WordToText converters: utilities to export MS Word .doc files into XSL-FO, html and text files. Output from WordToFO can be used to convert .doc files to pdf using Apache FOP.

Other notable changes:

* Numerous improvements and refactorings in HWPF, Java API for MS Word .doc files: support for reading

  footnotes, endnotes and bookmarks, improved support for hadlings tables, paragraphs, text runs and much more...

* Initial support for charts in XSSF

* support for encrypted OOXML documents

A full list of changes is available in the change log:

http://poi.apache.org/changes.html.

People interested should also follow the dev mailing list to track further progress.

Release Contents

----------------

This release comes in two forms:

 - pre-built binaries containing compiled versions of all Apache POI components and documentation

   (poi-bin-3.8-20120326.zip or poi-bin-3.8-20120326.tar.gz)

 - source archive you can build POI from (poi-src-3.8-20120326.zip or

poi-src-3.8-20120326.tar.gz)

  Unpack the archive and use  the following command to build all POI components with Apache Ant 1.6+ and JDK 1.5 or higher:

  ant jar

 Pre-built versions of all POI components are also available in the central Maven repository  under Group ID "org.apache.poi" and Version "3.8"

All release artifacts are accompanied by MD5 checksums and a PGP signatures that you can use to verify the authenticity of your download.

The public key used for the PGP signature can be found at http://svn.apache.org/repos/asf/poi/tags/REL_3_8_FINAL/KEYS

Apache POI에서 POI 3.6을 릴리즈 하였습니다.

이번 릴리즈에서는 중요한 성능개선과 발견된 버그들을 수정하였습니다.

릴리즈 노트

For the Apache POI Team

The Apache POI team is pleased to announce the availability of POI 3.5.

 Apache POI is well-known in the Java field as a library for reading and writing Microsoft Office file formats, such as Excel, PowerPoint, Visio and Word. With POI 3.5, it supports the new OOXML (Office Open XML) formats introduced in Office 2007. See http://poi.apache.org/ for more details

Release Highlights:

 POI-SS - Java API To Access Microsoft Excel Format Files
 * This common interface allows access to HSSF (binary file format, .xls) and XSSF (ooxml file format, .xlsx) in the same way

 POI-XSSF - Java API To Access Microsoft Excel 2007 OOXML Format Files
 * full implementation of high level POI-SS interface
 * text and embedded data extraction supported
 * low level, low memory parsing supported
 * full support for formula evaluation

 POI-XWPF - Java API To Access Microsoft Word 2007 OOXML File Formats
 * text and embedded data  extraction supported
 * partial implementation of high level usermodel API
 * partial support for custom XML mappings

 POI-XSLF - Java API To Access Microsoft PowerPoint 2007 OOXML Format Files
 * text and embedded data  extraction supported

In addition, POI 3.5 includes many new features, bug fixes and optimizations over POI 3.2.
 You can find the full list of changes here: http://poi.apache.org/changes.html

 The source and binaries can be downloaded from your local mirror:
 http://www.apache.org/dyn/closer.cgi/poi/release/

 The release is also available from the central Maven repository under Group ID "org.apache.poi" and Version "3.5-FINAL".

 For the Apache POI Team
 Yegor Kozlov

The POI team is pleased to announce the availability of Apache POI 3.5 beta6, our latest beta including OOXML (Office  Open XML) support.

 Apache POI is well-known in the Java field as a library for reading and writing Microsoft Office file formats, such as Excel, PowerPoint, Visio and Word. With POI 3.5, it supports the new OOXML (Office Open XML) formats introduced in Office 2007. See http://poi.apache.org/ for more details

 The status of this release is a beta, meaning that we encourage users to try it out. If you find any bugs, please report them to the POI bug database or to the poi-dev mailing list.

 A full list of changes is available in the change log:
 http://poi.apache.org/changes.html

 The source and binaries can be downloaded from your local mirror:
 http://www.apache.org/dyn/closer.cgi/poi/dev/

 The release is also available from the central Maven repository under Group ID "org.apache.poi" and Version "3.5-beta6".

 For the Apache POI Team
 Yegor Kozlov