JasperReports Library 5.1.2 Change Log

• support for custom functions in report expressions;
  this includes support for expression functions in the JDT, Groovy and Javascript
  report compilers and excludes the JDK-based report compilers, for which static imports
  would be needed in the report template;

• custom serialization for virtualizers, to improve performance of large reports;... read more

JasperReports Library 5.1.0 Change Log

• enhanced support for markers in Google map component, including hyperlinks and info window;

• completing features in new layered HTML exporter;

• minor bug fixes and improvements;

JasperReports Library 5.0.4 Change Log

• new HTML exporter implementation added, which uses HTML tables to render the report content,
  but still supports overlapping elements by arranging them in separate layers.
  This new exporter implemented in the net.sf.jasperreports.engine.export.HtmlExporter class also
  supports report interactivity and is now the preferred way to export to HTML, being used by
  the JasperExportManager class and all other convenience and utility classes in the JasperReports
  library and its provided samples;... read more

JasperReports Library 5.0.1 Change Log

• eliminate empty collapsed columns in XLS/XLSX exporters;

• XLS/XLSX data adapter improvements;

• minor bug fixes and improvements;

JasperReports Library 5.0.0 Change Log

• improved report filling performance by extending the use of the simplified text measurer
  that was previously used only for single line text elements;

• improved subreport filling performance by using a thread pooling mechanism;

• minor bug fixes and improvements;

JasperReports Library 4.8.0 Change Log

• enhanced interactivity in the table component, with support for conditional formatting
  of values in a column;

• support for style providers as pluggable extensions, to control report element styling
  depending on report data at runtime; a default style provider implementation is available,
  allowing the use of expression based custom properties at report element level, to control
  each style attribute, including backcolor, forecolor, font, borders style, etc;... read more

JasperReports Library 4.7.1 Change Log

• improved performance for the newly introduced Javascript report compiler;

• configuration properties to control table component interactive features;

• minor bug fixes and improvements;

JasperReports Library 4.7.0 Change Log

• improved rendering performance for the table component;

• enhanced interactive report viewer APIs;

• new "net.sf.jasperreports.export.pdf.size.page.to.content" export configuration property added
  to allow for variable page size in PDF documents, by adapting page size to page content size;

• better control over memory footprint in large XLSX exports, by allowing the temporary files buffer size
  to be configured locally through report custom properties;... read more

JasperReports Library 4.6.0 Change Log

• improved JasperReports configuration infrastructure by the introduction of a JasperReportsContext,
  an new interface from where JR configuration properties are read and JR extensions are loaded.
  This allows different configurations of the JR engine to exist simultaneously in the same JVM;

• improved JasperReports Web Framework which now features a centralized controller to dispatch
  actions triggered by end user interactions in the report viewer. Actions are backed by atomized
  commands that modify the report metadata on-the-fly, with support for undo/redo operations,
  to reflect changes in the report output;... read more

JasperReports 4.5.1 Change Log

• the JSON data source and the respective JSON query executer were moved
  from the samples folder to the core library;

• support for macros added in XLS and XSLX exporters;

• the repository APIs were enhanced with support for pluggable persistence
  services to load and store resources in the repository;

• the "net.sf.jasperreports.export.pdf.force.linebreak.policy" configuration
  property is un-deprecated, as a partial revert of the changes made in 4.1.1 with
  regards to PDF text rendering; These changes were partially reverted as they affected
  the performance of the PDF exporter when dealing with simple texts. The AWT-based text
  rendering is now performed only on complex text fields that contain tab characters
  for tab stop alignment or contain multiple paragraphs, with variable paragraph styling.... read more