• Performance and stability improvements

• Problem fixed: classes defined with a call to ClassLoader.defineClass() with name=null were not instrumented (changes in agent)

• Fix: memory profiling: possibly incorrect references in arrays
• Improved profiling of IIS on Vista
• Fix: profiled application might not be detected on Windows Vista and Windows 2003
• Fix: assertion might fail capturing memory snapshot
• Minor UI improvements

• Monitor view: bug fixed: possible exception switching "Show blocked threads only" option
• Minor fixes

• Solved problems profiling on some Linux kernels (changes in agent)

• Fastest code profiling for locating bottlenecks and solving application performance problems
• Real-time, live performance metrics with graphs, stacks and threads
• Memory profiling for optimizing memory usage and discovering memory leaks
• Profiles all types of .NET applications, including standalone .NET applications, .NET web services, .NET Windows services, .NET DCOM objects, ASP.NET and more
• Supports:
  • All .NET frameworks, including 1.x, 2.0 and 3.x
  • Microsoft Vista, XP, 2003 Server and 2000
  • 32-bit and 64-bit systems
• Tight integration with Microsoft Visual Studio 2003, 2005, and 2008
• User-friendly interface provides results that are easy to interpret
• Smart tools for locating problems automatically
• On-demand profiling lets you profile only when needed to ensure lowest overhead

• IDE integration: Eclipse 3.4 M4 supported
• Profiling on Java 7 is supported (changes in agent)
• UI: fixes in snapshot comparison view
• Bug fixed in "Lost SWT Controls" inspection
• Fixes in JRockit support (changes in agent)
• Fix in IBM Java support (changes in agent)

• Optimization: profiler agent reserves less VM pages on startup
• Wall time methods are now configurable in Java 1.3/1.4 too (changes in UI and agent)
• SQL view: grouping now works for statements with leading spaces too
• Problem fixed: JBoss might not start with profiling if it ran on BEA JRockit JVM
• Minor UI bug fixes

• IDE integration: ability to explicitly specify additional agent options from within the profiler plugin UI (field "Additional options" on the "Advanced" tab)
• Bug fixed: possibly incorrect values in back traces and merged callees for some recursive functions
• Bug fixed: incorrect sorting by average time column in SQL profiling results
• Bug fixed: profiler API: Controller.captureSnapshot() incorrectly rejected valid SNAPSHOT_HPROF flag
• Minor bug fixes

• Optimization: CPU snapshots load much faster
• Improved profiling of applications which use some byte code instrumentation technics, such as some JBoss and Geronimo configurations. Thanks to this improvement, the workaround that required using 'disablej2ee' option to profile such applications, is no longer needed.
• Bug fixed: connecting to an application with already started CPU profiling might show incomplete results
• Bug fixed: snapshots with CPU tracing results might lack invocation counts under some circumstances
• Bug fixes in J2ME profiling

MOST NOTABLE CHANGES AND NEW FEATURES IN 7.0:

• Overall stability and performance improvements
• CPU profiling: results available in realtime
• CPU profiling: results quality dramatically improved on Linux and Mac OS X
• CPU snapshot comparison
• Analysis of synchronization issues with the help of monitor profiling
• Memory profiling: automatic inspections recognize typical memory-related problems
• Memory profiling: memory leak detection with the help of object generations
• Memory profiling: values of primitive types in memory snapshots
• Memory profiling: comparison of snapshots from different runs
• Memory profiling: realtime instance per class statistics
• New platforms supported: Windows Vista, Mac OS X 10.5 "Leopard"
• Improved support of BEA JRockit and IBM VMs
• Improved support of older Linux kernels
• IDE integration: Eclipse 3.3: plugin can now co-exist with TPTP plugin
• IDE integration: Eclipse 3.3: supported profiling of JUnit plugin tests
• IDE integration: Eclipse 3.3: J2EE servers can be started with profiler from within Eclipse (needs WTP)
• IDE integration: Eclipse 3.3: integration with localized (non-English) Eclipse supported
• IDE integration: latest NetBeans 6 milestone 10 supported
• IDE integration: IntelliJ IDEA 7.0 M1 supported
• Integration with WebLogic 10
• Integration with Tomcat 6
• Integration with JBoss improved
• UI: multiple improvements
• UI: new advanced open snapshot dialog improves handling of snapshot files
• UI: left panels can be collapsed to give more horizontal space for the results

See complete list of changes at http://www.yourkit.com/changes/