* Supports Thunderbird 52.
* Text input related APIs under "action" are now asynchronous, and they return Promise.

* Improve backward compatibility around proxied gMsgCompose.

* Supports lately Firefox and Thunderbird.
* Helpers around asynchronous taskas are totally rewriteen based on Promise.
Actually, codes like `yield { value: finished }` and `yield Do(function() { return !!finished; });` no longer work.
* Last results are now stored as a file isntead of a large preference item.

Support Firefox 40.0a1 and Thunderbird 38.0(beta4).

* Works on Firefox 24, Thunderbird 24, and Nightly 31.0a1.
* Give response objects to callback functions defined in imported GM scripts correctly.
* Fix "out of memory" error on `utils.inspect()`
* Assertion failure of `isInstanceOf()` reports meaningful message (it was unexpectedly dropped).
* Support `TypeOf('array')` style definition (for cross-compartment scripts).
* Works with stack trace with column numbers.
* Stabilize self tests around the logger module.
* Normalize serialized result of empty elements.
* Add "UnitTest.XUL Test Runner" item to the list of "Developer" on Australis.
* Add "UnitTest.XUL" menu to the "Tools" menu in the application menu of Thunderbird.

General

• Support requiredAddons (aka dependingAddons) option for test cases. Now you can specify required addons for the test case as an array of ID strings.
• Inherit installed addons to the temporary profile, when the test case has both specified profile and requiredAddons.

General

• Support Firefox 10 ~ 16
  • Drop support for Firefox under 9
• Add assertions: assert.same() and assert.notSame()
  • Check strict equality (===)
• Extend Greasemonkey helper methods
  • Support GM_listValues()
  • Support GM_deleteValue()
• Add an option "ignoreLastResult" to the TestCase class
  • If the option is true, the last result of a test in the test caseis not regarded while checking if the test should be run or not
• Allow users to limit the number of test cases running concurrently from the configuration dialog
• Initialize file fields in the configuration dialog correctly

Test Runner

• Now tests results can be filtered by the type of the each test
• Now stack traces are resizable
• Now lines correspond to internal functions in stack traces are displayed in a pale color

Command Line

• Now tests can be aborted by sending a SIGINT signal
• Add a --run-all option
  • Forces all tests to run regardless of the priority of the each test
• Add a --uxu-max-parallel-count option
  • Limits the number of test cases running concurrently