I have been using Chrome 39 on my Mac for a couple of days. At first it looked like the problems with the clipboard had been solved, but it's pretty clear that it's still pretty badly broken. I no longer think there's any chance that it's "just me" -- for a few reasons.
After writing about it publicly, I've heard from lots of other people saying they've been experiencing clipboard errors too.
I got a new computer last week, installed a fresh copy of Chrome, and the problem came with all that change. So if it were my doing, it would have to have survived a lot of changes in environment, including a new version of the operating system.
I have been working on server apps for the last few days so I haven't had a chance yet to try the debugger in the new version, so I have no info to add there.
Google's appalling behavior
I just want to add a note that I totally object to the smearing campaign Google is running against me. I'm a user, blogger and developer, not your enemy. I really only want Google to keep this browser working, so I can get my work done, as well as others, and for the health of the web. I have a lot of experience with big companies, including Google, smearing critics. I think most other people are clued-in too. Please call off your flamers. Thanks.