Also heard that the darksend feature transactions have been successfully traced, I can find the link somewhere easily. Late July is too long of a time frame in the crypto world. Thousands of new features will be implemented by then and this will be old hat.
Please share the link if you are claiming this
Lots of info around about this, but that should get you started. DarkSend-style mixing isn't anonymous unless you use it very careful (which is exactly like bitcoin).