Poisson Timer
Add a Poisson based timer
GUI and OS interaction
Support for file Drag and Drop.
Confirm Remove Dialog box
Add a dialog box to confirm removing the element(s) when Remove action is called
The dialogue can be skipped by setting the JMeter property confirm.delete.skip=true
Remote batching support
Use external store to hold samples during distributed testing， Added DiskStore remote sample sender: like Hold， but saves samples to disk until end of test
JMS Subscriber sampler
With JMS Subscriber， ability to use Selectors
New Logger Panel
A new Log Viewer has been added to the GUI and can be enabled from menu Options > Log Viewer:
This Log Viewer shows the jmeter.log file， and useful (for example) to debug BeanShell/BSF scripts:
The menu item Options / Choose Language is now fully functional
The menu item Options / Choose Language now changes all the displayed text to the new language provided all messages are translated. You can help on this by translating into your language.
Legacy JMX and JTL Avalon format support restored
Support for reading/writing the original Avalon XML format of JMX (script) and JTL (sample result) files was dropped in JMeter version 2.4. JMeter can now read the Avalon format files again， however there is no support for saving files in the old format.
JMeter jars available from Maven repository
JMeter jars are now available from Maven repository.
完整的內容請看：http://jmeter.apache.org/changes.html
