The mysqlnd statistics is still incomplete, because there is currently no testbed available to see the statistics. This will have to be available.
Build unit tests for plugin code and go over inline documentation and improve as needed. Send over if needed and by September 1st 2008.
The cachegrind library needs to be unit tested and needs to conform to the file grammar better. The initial version works, but there are still some parts left over. The grammar would be better placed in an PHP extension, but there also needs to be a PHP userland counterpart for those who do not wish to install another PHP extension other than XDebug. Regardless, the PHP userland cachegrind library in use has to be improved to provide better statistics. This does not say that the statistics is not fairly accurate, it is, but it needs to be perfect for version 1.0 release.
The cachegrind processing takes far too long, it needs to be Ajax-ified, so that it is faster and the timeout is minimized. However, it might just be my machine is doing too much and is slowing down PHP itself.
1.0-beta1 - Initial beta release for bug fixes.
1.0-beta2 - Second beta release for bug fixes.
1.0-rc1 - Release candidate 1 for real world testing.
1.0-rc2 - Release candidate 2 for real world testing for bugs.
1.0 - Production release and adding to WordPress Extend