While not part of the bug list, I posted the below on another IB software related thread a few days ago. I'm using 911.3 on one computer for trading and have 917.8 on another for back up.
BookTrader works perfectly on both.
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FWIW
I use BookTrader for trading and eSignal for charting. The data never lags and I can't really remember the last outage. Must have been over a year now. Pretty good, I'd say.
While the TWS charting still needs work, I can say for sure that the recent improvements in the charting and other TWS features, including the design, have been much better than in the past. And most of all, most of the changes seem to work the first time around. I could be wrong, but for the last few months I've gotten the distinct feeling that there is new blood working on improving TWS. And they do seem to be doing a much better job of it!!
A little off the subject, but I've noticed on IB's SMF Forum in the TWS Platform thread that there is a new man from IB named John who really breaks his back to be of help, and in a very polite manner.