I manage on the order of 5000 listings in GS. Since updating to 7.0.6, whenever I start manually editing and re-listing those, my CPU use (160% or more on a 4-core Mac Mini) and the fan is running constantly. A glance at the new Activity window shows me that every time I select even a completed listing in the viewer, that listing is verified on eBay. When I select a folder filled with 435 listings, then all 435 are verified one at a time, even if I am selecting them to move them to a new folder!
This is a problem. The event being sent to these objects is clearly defined incorrectly, and it makes 7.0.6 unusable for me.
Add to this the "won't quit until completed" bad UX decision, and now whenever I have selected anything at all, I cannot use my computer productively for a very long time.