Wow. But surely the platform developer is busy working on bug fixes?! In my humble opinion this sounds almost like sloppy workmanship. Are similar issues known for other platforms/languages?
I am coming from the other camp, I use non-trading languages and write my own back-test code which I then check by hand (only sample of course). Often had I been tempted to use trading-specific languages instead but if such problems are more widely spread .... no thanks.