Most of the software I write nowadays is for business web applications (with a few things going on in the background), and yes for this market I don't think there is really any better choice than Rails.
Although it may not have every new shiny bell and whistle, the ecosystem is mature enough to be stable and to have developed accepted best practices, which means you don't need to worry about whether the tool you use is still going to be supported in 6 months time.
Although it may not have every new shiny bell and whistle, the ecosystem is mature enough to be stable and to have developed accepted best practices, which means you don't need to worry about whether the tool you use is still going to be supported in 6 months time.