There is a new one. Go to oneworld.com to download. Don't forget to remove the old version from your PC.

It is more robust and is map based, quite similar to their RTW booking and RTW Interactive mapping tools if you've used them. You have the option to use it online or download the data files which I do as I often use it and the previous version to plan RTW and CirPac trips whilst traveling.

It is not as quick and convenient as the old one, but that may be due to learning curve issues on my part. I just downloaded it last week and have only used it briefly once.

Oops, I guess I should have read your full post before posting basically repeating what you had already said. I'll leave my comments for anyone who may benefit.