Besides photography, I'm an architect. One of the most common CAD programs on PC's is AutoCad, which has been out for over 20 years. One of it's main problems during that time has been the desire to maintain some compatibility with earlier versions. This has crippled the program in various ways, and in the last 10 years it had lagged behind a number of other, much less expensive CAD programs in usability and productivity. Each version abandons some compatibility in favour of more functionality, but it still lags behind. Remnants of its ancestry as a DOS program running on an 8086 processor are still in evidence.
Compatibility issues hobble innovation.
Yes, indeed. I'm a software engineer and backwards compatibility is a major pain as the software gets older and there are more versions to support. It hobbles innovation for sure, and will eventually cripple it.
-- - Marius
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