EsperTech has a history of regular releases that spans back over more than 10 years.
March 9, 2018 - Release 7.1.0 - Bug fix release for core Esper and high-availability and horizontal-scale-out.
November 29, 2017 - Release 7.0.0 - Release with byte code generation and many new features.
October 24, 2017 - Release 7.0.0-beta3 - Byte code generation for all order-by and more.
September 20, 2017 - Release 7.0.0-beta2 - Byte code generation for result-set-processing and aggregation. Esper now generates more byte code.
August 3, 2017 - Release 7.0.0-beta1 - Byte code generation for all interdependent expressions. Esper now generates code for speeding up expression evaluation.
June 20, 2017 - Release 6.1.0 - New functionality such as spatial indexes, updates to horizontal scale out and more.
March 16, 2017 - EsperHA and Enterprise Edition 6.0.1 release - New functionality such as support for Avro and support for microseconds as time resolution and more.
February 28, 2017 - EsperHA and Enterprise Edition 6.0.0-beta-2 release - Introduces linear horizontal scale-out architecture and requires Java 8.
December 15, 2016 - EsperHA and Enterprise Edition 6.0.0-beta-1 release - Introduces linear horizontal scale-out architecture and requires Java 8.
September 13, 2016 - Esper, EsperHA and Enterprise Edition 5.5 release - Important release with EsperHA new features as well as Esper and Enterprise Edition technology updates.
April 13, 2016 - Esper, EsperHA and Enterprise Edition 5.4 release - Bug fix release with a few new features.
September 15, 2015 - Esper, EsperHA and Enterprise Edition 5.3 release - Supporting new EPL functionality and including many improvements across.
March 3, 2015 - Esper, EsperHA and Enterprise Edition 5.2 release - With new EPL functionality, features and many additional optimizations and bug fixes.
October 16, 2014 - Esper, EsperHA and Enterprise Edition 5.1 release - Support for tables and across-the-board product enhancements and new features.
April 15, 2014 - Esper, EsperHA and Enterprise Edition 5.0 release - Major release with new EPL features such as support for SQL rollup and cube.
January 6, 2014 - Esper, EsperHA and Enterprise Edition 4.11 release - Introduces the EPL debugger and detailed memory and metrics reporting, as well as EPL improvements.
September 9, 2013 - Esper, EsperHA and Enterprise Edition 4.10 release - Comprehensive update of Enterprise Edition technology stack and new features in the core engine.
March 4, 2013 - Esper, EsperHA and Enterprise Edition 4.9 release - EsperHA new feature to allow selective state extract and load; New features in the core engine, further reduced memory use, higher throughput and other improvements.
January 4, 2013 - Esper, EsperHA and Enterprise Edition 4.8 release - New features in the core engine, reduced memory use and other improvements.
October 8, 2012 - Esper, EsperHA and Enterprise Edition 4.7 release - EsperHA has undergone a major rework and we are very happy with results - try it today.
April 27, 2012 - Esper, EsperHA and Enterprise Edition 4.6 release - We worked on internal designs to further improve performance and reduce memory usage. New features include the object-array event type, new "ranked" data window, data flow programming and others.
January 19, 2012 - Esper, EsperHA and Enterprise Edition 4.5 release - Many EPL language new features and improvements.
October 24, 2011 - Esper, EsperHA and Enterprise Edition 4.4 release - EPL language features, scalability features, distributed cache support.
July 19, 2011 - Esper, EsperHA and Enterprise Edition 4.3 release - EPL language features, performance and documentation improvements.
April 19, 2011 - Esper, EsperHA and Enterprise Edition 4.2 release - EPL language features, query planning improvements, debugging and virtual data windows.
February 7, 2011 - EsperHA 4.1.1 release - Apache Cassandra as a store provider
January 20, 2011 - Esper, EsperHA and Enterprise Edition 4.1 release - EPL language features, pattern engine optimizations, EE server clustering
September 27, 2010 - Esper, EsperHA and Enterprise Edition 4.0 release - EPL language features, HA features
June 21, 2010 - Esper, EsperHA and Enterprise Edition 3.5 release - EPL language features, modules, hot deployment, design features, Flex 4
March 20, 2010 - Esper and Enterprise Edition 3.4 release - design features, continuous-display styles, script integration, security
December 17, 2009 - Esper and Enterprise Edition 3.3 release - data distribution service, continuous updating displays, major engine enhancements
September 6, 2009 - Esper 3.2 release - match_recognize support, isolated service providers, update istream, distinct, output after are among the new features added
May 17, 2009 - Esper 3.1 release - new pattern operator, split-stream syntax, annotation support and more new features and enhancements
February 11, 2009 - Esper 3.0 release - providing new features such as coarse-grained events and JSON and XML event rendering and further improving ease-of-use
February 09, 2009 - Smart Trade Embeds EsperTech CEP into the smartTrade Liquidity Management System
November 10, 2008 - Esper Enterprise Edition to Meet Demand for Enterprise *ilities
September 3, 2008 - EsperHA 2.2 release - high-availability for Esper 2.2
August 13, 2008 - AeroScout Selects EsperTech's Esper CEP For Its MobileView 4.0 Visibility Software
August 10, 2008 - Esper 2.2 release - significant new features for intelligent event processing and business event processing
July 30, 2008 - EsperTech, Inc. Provides Complex Event Processing for Business Objects Labs
May 12, 2008 - Esper 2.1 released - new support for timer resolution and advanced XML events and many improvements
March 23, 2008 - EsperTech Expands its CEP Products Portfolio with EsperHA to Meet Demand for Mission Critical Dependability
February 17, 2008 - Esper 2.0 released - a major release with focus on performance and usability
December 17, 2007 - Esper 1.12 released with 'create stream' support and much more
November 1st, 2007 - EsperTech and Paremus partner to deliver OSGi-based Distributed, Scalable, Resilient Event-Driven Architectures
October 12, 2007 - EsperTech CEO interview on InfoQ
September 15, 2007 - Esper 1.11 released
August 14, 2007 - EsperTech, Inc. first to unveil CEP performance benchmark
July 17, 2007 - EsperTech, Inc. Enters OEM Agreement with BEA Systems Inc.
July 17, 2007 - Esper 1.10 released
June 7, 2007 - Esper 1.9 released
May 30, 2007 - EsperTech to present CEP with Esper, the Open-Source CEP engine (Java and .Net) at Java User Group, New-York
May 8 - May 11, 2007 - EsperTech to present groundbreaking Event-Driven Application Servers at JavaOne 2007, San Francisco
April 22, 2007 - Esper 1.8 released
March 17, 2007 - Esper 1.7 available
February 18, 2007 - Esper 1.6 available
January 11, 2007 - Esper 1.5 available
July 28, 2006 - Esper 1.0 release announced on InfoQ