JMock 2.5.0 has been released. This release contains new features, better failure diagnostics, and bug fixes. New features include classes to help unit-test concurrent code and an optional plugin for scripting actions. The full changelist is in JIRA.

JMock 2.5.0-RC2 has been released. This release candidate fixes a classloader issue that stopped jMock working in Eclipse Plug-In tests, and adds a new expectation method, oneOf as that means the same as, but reads better than, one. The full changelist for 2.5.0 is in JIRA.

JMock 2.5.0-RC1 has been released. This release contains new features, better failure diagnostics, and bug fixes. New features include classes to help unit-test concurrent code and an optional plugin for scripting actions The full list of changes is reported by JIRA.

The cookbook has a new page that explains how a test can override expectations that are defined during test set-up.

The cookbook has a new page that links to articles explaining how to use jMock with languages other than Java. At the moment, Groovy and Scala are covered. More languages will be added in the future.

JMock 2.4.0 has been released. The most significant change is that jMock no longer allows mock objects to have the same name. This may break some poorly written tests. The full list of changes is reported by JIRA.

JMock 2.4.0-RC1 has been released. The most significant change is that jMock no longer allows mock objects to have the same name. This may break some poorly written tests. The full list of changes is reported by JIRA.

JMock 2.3.0 has been released. This release brings the JUnit 4 support in jMock 2 in line with JUnit version 4.4 and adds a few minor improvements, such as tweaks to error messages.

JMock 2.3.0-RC2 has been released. This release fixes a regression in the JUnit 4 support that stopped the test runner running tests with private Mockeries.

JMock 2.3.0-RC1 has been released. This release brings the JUnit 4 support in jMock 2 in line with JUnit version 4.4.

JMock 2.2.0 has been released. This release has improved error reporting, fixes some issues with generic type constraints and uses the new Hamcrest version 1.1. Note that this version is not compatible with the new JUnit 4.4 release. Expect support for JUnit 4.4 in jMock 2.3.0, coming soon.

JMock 2.2.0-RC1 has been released. This release has improved error reporting and uses the new Hamcrest version 1.1.

Romilly Cocking, Andy Pols and Nat Pryce will be (re)running a tutorial on Test Driven Development with JMock2 at the BCS MiniSPA 2007 conference on the 16th July. The tutorial was very well received when first run at the SPA conference earlier this year.

The jMock repository has been converted from CVS to Subversion. If you are tracking development in the source repository, please discard your CVS working copy and check the HEAD revision out of Subversion.

JMock 2.1.0 has been released. This version fixes some minor bugs and adds the ability to mock abstract and concrete classes to help test legacy code.

JMock 2.1.0-RC5 has been released. This release fixes all outstanding JIRA issues and should be the last 2.1.0 release candidate (fingers crossed!).

JMock 2.1.0-RC4 has been released. This release fixes issues with class loaders and generics.

jMock 1 and 2 are now published in the Maven repository. Maven projects can pull in jMock JARs by defining dependencies in their POM file.

JMock 2.1.0-RC3 has been released. This release improves the names of the package and classes for working with legacy code to better express their intent and be independent of the technology used under the hood.

JMock 2.1.0-RC2 has been released, which fixes a bug that stopped jMock mocking package-protected types.

JMock 2.1.0-RC1 has been released. This version extends jMock 2.0.0 with the ability to mock abstract and concrete classes to aid in working with legacy code. In all other respects it is the same as version 2.0.0.

JMock 2.0.0 has been released. Version two brings many improvements over version one, including a more convenient and readable API, better support for refactoring IDEs and support for multiple test frameworks.

JMock 1.2.0 has been released. This release fixes several bugs and adds a few incremental API improvements to jMock 1.1.0.

JMock 2.0.0 RC1 has been released. Version two brings many improvements over version 1.1.0, including a more convenient and readable API, better support for refactoring IDEs and support for multiple test frameworks.