News - EsperTech

EsperTech has a history of regular releases that spans back over more than 15 years. For a complete list of changes to Esper open source please check at Esper Change History.

Esper Release 9.0.0

Esper Release 9.0.0 is an major release that requires Java 17 or higher.

April 26 2024

NEsper Release 8.9.0

NEsper Release 8.9.0 is an major release that brings NEsper to the same feature set and bug fixes as Esper for the same version.

February 5 2024

Release 8.9.0

Release 8.9.0 is an update release that fixes bugs and updates dependencies

May 2 2023

NEsper Update Release 8.5.5

NEsper Update Release 8.5.5 is an update release for NEsper.

March 12 2023

Release 8.8.0

Release 8.8.0 is an update release that fixes bugs and improves compatibility with Java 17

January 3 2022

NEsper Update Release 8.5.2

NEsper Update Release 8.5.2 is an update release for NEsper.

July 1 2021

Release 8.7.0

Release 8.7.0 is an update release that provides a Visual Studio Code debugger extension and enhances Esper High Availability now supporting automated version upgrading and more.

January 27 2021

NEsper .NET Release 8.5.0

NEsper .NET Release 8.5.0 with support for .NET core.

November 6 2020

Release 8.6.0

Release 8.6.0 is an update release that provides a Visual Studio Code extension, an IDE language server and better support for parameterized (generic) types and more.

August 27 2020

Release 8.5.0

Release 8.5.0 is an update release with new functionality for the EPL compiler and runtime.

May 26 2020

NEsper for .NET, C#, CLR: Release 8.0.0-beta-1

NEsper for .NET, C#, CLR: Release 8.0.0-beta-1 introduces the EPL compiler and runtime architecture to the Microsoft CLR.

March 9 2020

Release 8.4.0

Release 8.4.0 - Support for in-lining Java code into EPL and many other improvements across all products.

February 24 2020

Release 8.3.0

Release 8.3.0 - Support for JSON parsing customization among many other new features and improvements.

September 19 2019

Release 8.2.0

Release 8.2.0 - Support JSON events. Many performance improvements across the board.

June 5 2019

Release 8.1.0

- Release 8.1.0 - First release of the cluster management web application for horizontal scale-out. The Esper compiler and runtime, EsperHA and Enterprise Edition have support for new functionality.

February 20, 20

Update to Online Applications

Update to Online Applications - We have updated our online applications and they now allow entering nested events.

December 19, 20

Esper Notebook

Esper Notebook - We now have a Esper notebook application, open to all users.

December 14, 20

Release 8.0.0

Release 8.0.0 - Esper compiler and runtime, with EsperHA and Enterprise Edition.

November 21, 20

Release 8.0.0-beta-2

Release 8.0.0-beta-2 - Esper was re-architected to offer a compiler and a runtime; Now we have EsperHA available for the beta

November 2, 20

Release 8.0.0-beta-1

Release 8.0.0-beta-1 - Esper was re-architected to offer a compiler and a runtime.

October 23, 20

Release 7.1.0

Release 7.1.0 - Bug fix release for core Esper and high-availability and horizontal-scale-out.

March 9, 20

Release 7.0.0

Release 7.0.0 - Release with byte code generation and many new features.

November 29, 20

Release 7.0.0-beta3

Release 7.0.0-beta3 - Byte code generation for all order-by and more.

October 24, 20

Release 7.0.0-beta2

Release 7.0.0-beta2 - Byte code generation for result-set-processing and aggregation. Esper now generates more byte code.

September 20, 20

Release 7.0.0-beta1

Release 7.0.0-beta1 - Byte code generation for all interdependent expressions. Esper now generates code for speeding up expression evaluation.

August 3, 20

Release 6.1.0

Release 6.1.0 - New functionality such as spatial indexes, updates to horizontal scale out and more.

June 20, 20

EsperHA and Enterprise Edition 6.0.1 release

EsperHA and Enterprise Edition 6.0.1 release - New functionality such as support for Avro and support for microseconds as time resolution and more.

March 16, 20

EsperHA and Enterprise Edition 6.0.0-beta-2 release

EsperHA and Enterprise Edition 6.0.0-beta-2 release - Introduces linear horizontal scale-out architecture and requires Java 8.

February 28, 20

EsperHA and Enterprise Edition 6.0.0-beta-1 release

EsperHA and Enterprise Edition 6.0.0-beta-1 release - Introduces linear horizontal scale-out architecture and requires Java 8.

December 15, 20

Esper, EsperHA and Enterprise Edition 5.5 release

Esper, EsperHA and Enterprise Edition 5.5 release - Important release with EsperHA new features as well as Esper and Enterprise Edition technology updates.

September 13, 20

Esper, EsperHA and Enterprise Edition 5.4 release

Esper, EsperHA and Enterprise Edition 5.4 release - Bug fix release with a few new features.

April 13, 20

Esper, EsperHA and Enterprise Edition 5.3 release

Esper, EsperHA and Enterprise Edition 5.3 release - Supporting new EPL functionality and including many improvements across.

September 15, 20

Esper, EsperHA and Enterprise Edition 5.2 release

Esper, EsperHA and Enterprise Edition 5.2 release - With new EPL functionality, features and many additional optimizations and bug fixes.

March 3, 20

Esper, EsperHA and Enterprise Edition 5.1 release

Esper, EsperHA and Enterprise Edition 5.1 release - Support for tables and across-the-board product enhancements and new features.

October 16, 20

Esper, EsperHA and Enterprise Edition 5.0 release

Esper, EsperHA and Enterprise Edition 5.0 release - Major release with new EPL features such as support for SQL rollup and cube.

April 15, 20

Esper, EsperHA and Enterprise Edition 4.11 release

Esper, EsperHA and Enterprise Edition 4.11 release - Introduces the EPL debugger and detailed memory and metrics reporting, as well as EPL improvements.

January 6, 20

Esper, EsperHA and Enterprise Edition 4.10 release

Esper, EsperHA and Enterprise Edition 4.10 release - Comprehensive update of Enterprise Edition technology stack and new features in the core engine.

September 9, 20

Esper, EsperHA and Enterprise Edition 4.9 release

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.

March 4, 20

Esper, EsperHA and Enterprise Edition 4.8 release

Esper, EsperHA and Enterprise Edition 4.8 release - New features in the core engine, reduced memory use and other improvements.

January 4, 20

Esper, EsperHA and Enterprise Edition 4.7 release

Esper, EsperHA and Enterprise Edition 4.7 release - EsperHA has undergone a major rework and we are very happy with results - try it today.

October 8, 20

Esper, EsperHA and Enterprise Edition 4.6 release

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.

April 27, 20

Esper, EsperHA and Enterprise Edition 4.5 release

Esper, EsperHA and Enterprise Edition 4.5 release - Many EPL language new features and improvements.

January 19, 20

Esper, EsperHA and Enterprise Edition 4.4 release

Esper, EsperHA and Enterprise Edition 4.4 release - EPL language features, scalability features, distributed cache support.

October 24, 20

Esper, EsperHA and Enterprise Edition 4.3 release

Esper, EsperHA and Enterprise Edition 4.3 release - EPL language features, performance and documentation improvements.

July 19, 20

Esper, EsperHA and Enterprise Edition 4.2 release

Esper, EsperHA and Enterprise Edition 4.2 release - EPL language features, query planning improvements, debugging and virtual data windows.

April 19, 20

EsperHA 4.1.1 release

EsperHA 4.1.1 release - Apache Cassandra as a store provider

February 7, 20

Esper, EsperHA and Enterprise Edition 4.1 release

Esper, EsperHA and Enterprise Edition 4.1 release - EPL language features, pattern engine optimizations, EE server clustering

January 20, 20

Esper, EsperHA and Enterprise Edition 4.0 release

Esper, EsperHA and Enterprise Edition 4.0 release - EPL language features, HA features

September 27, 20

Esper, EsperHA and Enterprise Edition 3.5 release

Esper, EsperHA and Enterprise Edition 3.5 release - EPL language features, modules, hot deployment, design features, Flex 4

June 21, 20

Esper and Enterprise Edition 3.4 release

Esper and Enterprise Edition 3.4 release - design features, continuous-display styles, script integration, security

March 20, 20

Esper and Enterprise Edition 3.3 release

Esper and Enterprise Edition 3.3 release - data distribution service, continuous updating displays, major engine enhancements

December 17, 20

Esper 3.2 release

Esper 3.2 release - match_recognize support, isolated service providers, update istream, distinct, output after are among the new features added

September 6, 20

Esper 3.1 release

Esper 3.1 release - new pattern operator, split-stream syntax, annotation support and more new features and enhancements

May 17, 20

Esper 3.0 release

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 11, 20

Smart Trade Embeds EsperTech CEP

Smart Trade Embeds EsperTech CEP into the smartTrade Liquidity Management System

February 09, 20

Esper Enterprise Edition to Meet Demand for Enterprise *ilities

November 10, 20

EsperHA 2.2 release

EsperHA 2.2 release - high-availability for Esper 2.2

September 3, 20

AeroScout Selects EsperTech's Esper CEP

AeroScout Selects EsperTech's Esper CEP For Its MobileView 4.0 Visibility Software

August 13, 20

Esper 2.2 release

Esper 2.2 release - significant new features for intelligent event processing and business event processing

August 10, 20

EsperTech Inc. Provides Complex Event Processing for Business Objects Labs

July 30, 20

Esper 2.1 released

Esper 2.1 released - new support for timer resolution and advanced XML events and many improvements

May 12, 20

EsperTech Expands its CEP Products Portfolio with EsperHA

EsperTech Expands its CEP Products Portfolio with EsperHA to Meet Demand for Mission Critical Dependability

March 23, 20

Esper 2.0 released

Esper 2.0 released - a major release with focus on performance and usability

February 17, 20

Esper 1.12 released

Esper 1.12 released with 'create stream' support and much more

December 17, 20

EsperTech and Paremus partner to deliver OSGi-based Distributed, Scalable, Resilient Event-Driven Architectures

November 1st, 20

EsperTech CEO interview on InfoQ

October 12, 20

Esper 1.11

Esper 1.11 released

September 15, 20

EsperTech Inc. first to unveil CEP performance benchmark

August 14, 20

EsperTech Inc. Enters OEM Agreement with BEA Systems Inc.

July 17, 20

Esper 1.10

Esper 1.10 released

July 17, 20

Esper 1.9

Esper 1.9 released

June 7, 20

EsperTech to present CEP with Esper

EsperTech to present CEP with Esper, the Open-Source CEP engine (Java and .Net) at Java User Group, New-York

May 30, 20

EsperTech to present groundbreaking Event-Driven Application Servers

EsperTech to present groundbreaking Event-Driven Application Servers at JavaOne 2007, San Francisco

May 8, 20

Esper 1.8

Esper 1.8 released

April 22, 20

Esper 1.7

Esper 1.7 available

March 17, 20

Esper 1.6

Esper 1.6 available

February 18, 20

Esper 1.5

Esper 1.5 available

January 11, 20

Esper 1.0

Esper 1.0 release announced on InfoQ

July 28, 20