Updated the client a few days ago and my system logs are littered with messages about WP
14/05/2015 17:15:40.338 whatpulse[50461]: IMK Stall detected, *please Report* your user scenario in <rdar://problem/16792073> - (imkxpc_uniqueClientIdentifierStringWithReply:) block performed very slowly (33.35 secs)
In addition to this, the client seems to be reporting that it is being run on windows for new pulses as seen here: http://whatpulse.org/mehcore/computer/iMac
and my other OSX system cannot be viewed online: http://whatpulse.org/mehcore/computer/Macbook+Pro