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h1. ICEpdf 6.2.0 Release Notes

*{_}January 19th, 2017{_}*
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h3. Contents

This document includes the following sections:

* [About This Release|#about]
* [Notable Changes and Enhancements|#notablechanges]
* [Known Issues|#knownissues]
* [Migration Notes|#migrationnotes]
* [Support|#support]

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h3. About This Release

ICEpdf v6.2 is a certified production release that introduces important new features such as annotation transparency edits, file attachment support and our new page view implementation for the viewer component which boasts significant performance improvements. This release also includes almost 30+ bug fixes and enhancements.
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h3. Notable Changes and Enhancements

* *Rendering Core*
** Addition of Unicode support for popup annotations values.
** Fixed a toUnicodeCmap bug with some GhostScript encoded document which resulted in incorrect Unicode values for extraction.
** Several improvements to annotation page space detection and correction.
** Fixed a concurrency issue with crypt filter stream decodes which caused some shared resources to decode incorrectly.
** Improvements to text sorting and duplicate text detection algorithms for text extraction and selection.
** Improvements to colour extraction for shading types 4 through 7.
** Fixed a bug where a JBIG2 decoding error could result in an open file handle.
** Improved the amount of memory needed when applying masking values to images and xforms.
** Improved code that adjust for malformed dash arrays that are generated form iText.
** Patched an issue with our Function 4 implementation which could resulting in a stuck thread in our image proxy.
** Support for setting an annotations transparency value.
** Improvements to form widget processes and content stream rewrites.


* *Viewer RI*
** Introduction to new PageViewComponentImpl and support classes. The new component offers significant performance gains over it's predecessor.
** Addition of new attachments utility tab for viewing and saving a PDF's file attachments.
** Fixed a bug in the font manager which prevented it from reading system fonts when used out side the default RI.
** Addition of new Font Properties dialog accessible form the file menu.
** Fixed a resource locking issue where some annotation may disappear in low memory environments.
** Addition of new transparency slider for changing an annotations transparency values.
** Many improvements to text selection accuracy.
** Annotation edit tools now provide a slider for transparency setting.

* *Font Engine*
** Improved error logging if a font can not be loaded.

* *Examples*
** Addition of a JavaFX example showing how to integrated the Swing viewer component in a JavaFX application using SwingNodes.


For a complete list of all changes in this release, see the related JIRA [Change Log|http://jira.icesoft.org/browse/PDF/fixforversion/13090].
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h3. Known Issues

The following section describes the most commonly encountered known issues with this release. For a complete reference of all outstanding issues please refer to the ICEpdf.org JIRA issue tracker.
General
* Choice Button may persist in thew viewer even after focus is lost but data will be written as expected on OSX.
* Language support for none English languages is limited to the main Viewer controls and may be incomplete for the Utility pane or popup dialogs.
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h3. Migration Notes

h4. 6.1 to 6.2 Migration Notes
*API Behavior Changes*
- Page initialization related calls to the Document and Page classes now throw InterruptedException. This is a major API change but it does insure that a Page initialization thread can be interrupted and the calling application can catch the exception as it bubbles up. The Viewer RI and examples have been updated appropriately and we hope this change will have a minimal impact on our users and overall will be a value add for clients in multiple thread environments.

*Viewer RI*
- The Viewer RI contains a new font properties dialog which is available via the file menu. This dialog shows the font properties of all fonts found in the document and can also be used to reset the font manager font cache.
- A new utility pane tab is now enable for files that contain file attachments. The file attachment view allows PDF documents to be opened with a double click and it is also possible to save any attached file with the "Save As..." context menu.
- A new example has been provided for integrating the Swing Viewer application in a JavaFX application.


h4. 5.x to 6.x Migration Notes

*API Behavior Changes*
* In memory file loading is now the default behavior for files under 200 MB. The system property org.icepdf.core.filecache.enabled=false to override this behavior.
* API access is now possible for a Page's Shapes.

*Viewer RI*
* The Viewer RI has been updated with new annotation components to represent each form field type. Manipulating this components will change the underling data model for the respective field type.
* A new interactive form toolbar has been added the main tool bar. The interactive form toolbar currently only contains one button to control form field highlight visibility. The toolbar can be hidden using the PropertiesManager and the property application.toolbar.show.forms=false.

h4. 4.x to 5.x Migration Notes

*API Packaging Changes*
* The memory manager has been updated and it is no longer required to lock a Page object when accessing it through the PageTree API.
* PagePainter object is no long passed into a call to Page.paint() method. If long running Page paint method needs to be interrupted then a call to page.requestInterrupt() should be made.
* The use of Hashtable in the Dictionary class has been replaced with HashMap object.

*System Properties*
* Image scaling is now off by default and there two new scaling options, more information can be referenced found here, [imaging options|http://www.icesoft.org/wiki/display/PDF/Imaging+Options]
* Many system properties have been removed as they are no longer needed or irrelevant. Please review [System Properties|http://www.icesoft.org/wiki/display/PDF/System+Properties] for a complete list of supported system properties.

*Viewer RI*
* The Viewer RI has been updated to support annotation editing tools, for more information on these see [Working with Annotations | http://www.icesoft.org/wiki/display/PDF/Working+with+Annotations].
* Layer support has been added to the Viewer RI utility pane, for more information see [User Layers |http://www.icesoft.org/wiki/display/PDF/Changing+Visibility+of+Layered+Content].


h4. 3.x to 4.x Migration Notes

The following changes may affect applications that were originally developed with a previous version of ICEpdf.
ICEpdf Core API
* When extracting text using the org.icepdf.core.pobjects.Page Object the method not longer turns a Vector of Strings. Instead it now returns the data structure org.icepdf.core.pobjects.graphics.text.PageText. See class document and the example _install_dir_/icepdf/examples/extraction/PageTextExtraction.java for correct usage.

h4. 2.x to 4.x Migration Notes

The following changes may affect applications that were originally developed with a previous version of ICEpdf.

*ICEpdf Jar File Changes*
* The ICEpdf jar file names have been updated to better indicate their respective usage.
* Please update your applications to reflect the new jar names.
** icepdf-core.jar - was icepdf.jar, contains core ICEpdf rendering classes.
** icepdf-viewer.jar - was ri_pdf.jar, contains viewer reference implementation.
** icepdf-pro.jar ^\*^ \- Professional font library available under commercial licensing.
** icepdf-pro-int.jar ^\*^ \- Professional font library CMap files, available under commercial licensing.
^\*^ Denotes JAR files that are only available in ICEpdf Pro commercial release.

*API Packaging Changes*
* ICEpdf 4.0 packaging has been updated to match the domain of the new community site [http://www.icepdf.org/].
* Please update your applications to reflect the new base package name.
** Former package-name: com.icesoft.\*
** New package-name: org.icepdf.\*
* The ICEpdf API rendering core is now rooted at org.icepdf.core.*.
* The ICEpdf API viewer reference implementation is now rooted at org.icepdf.ri.*.

*System Properties*
* ICEpdf system properties have been changed to match the domain name of the community site [http://www.icepdf.org/].
* Please update your applications use of ICEpdf system properties to reflect the new base package name.
** Former package-name: com.icesoft.\*
** New package-name: org.icepdf.\*

*JDK 1.5\+ Now Required*
* ICEpdf source code has been updated to the JDK 1.5 Java language specification to take advantage of numerous features and improvements to the Java programming language. As a result, ICEpdf v4.0 is not deployable to Java JRE versions older than 1.5.
* Older versions of the Java JDK and JRE have been added to Sun's end of life and are no longer publicly supported.
** JDK 1.3.1 reached the end of its service life (EOSL), December 11th, 2006.
** JDK 1.4.2 reached the end of its service life (EOSL), October 11th, 2008.
* For more information on Java Platform Migration please see [http://java.sun.com/j2se/JM_White_Paper_R6A.pdf].

*Logging System*
* ICEpdf 4.0 now uses Java logging API for all logging tasks.
* A sample logging.properties file is included in the directory .../install_dir/icepdf/lib/.
* The custom logging properties file can be specified with the following system property:
** \-Djava.util.logging.config.file=logging.properties
* Further information on java.util.logging can be found at [http://java.sun.com/j2se/1.5.0/docs/guide/logging/].

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h3. Support

Please visit the [www.icepdf.org|http://www.icepdf.org/] community site for additional information, demos, and resources.

All questions, comments, or general discussion specific to ICEpdf 5.0 should be made in the [ICEpdf Forum|http://www.icefaces.org/JForum/forums/show/28.page] forum.

For information on commercial support, professional services, and training, please visit [http://support.icepdf.org].