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Guaranteeing backwards compatibility at the level of a wide purpose language like python is how you end up with stagnation (see CPP).

For domain-specific languages like TF I guess they were motivated to commit to it to ensure adoption of the new versions.



Assuming you are talking about C++, I honestly don't see any stagnation. In terms of backwards compatibility, I'm very happy that my 20 year-old C/C++/Perl codes are all working correctly.


> how you end up with stagnation (see CPP).

C++ isn't stagnant, if anything it should slow down a bit as it moves faster than an overcaffeinated hamster on a rocket.




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