Unfortunately, yes!
I also run TaxAct and use it to check my results on Turbotax. Fortunately, TaxAct comes with free phone support. I contacted them and was able to get a knowledgeable tax expert. He examined the problem, checked the tax regs and concluded it was a bug in TaxAct. So he opened a developer's ticket to fix it. So TaxAct will fix the bug.
That will leave Turbotax with an unfixed bug.
