Aside from the issues previously stated, going to a frozen version to live would be ever more difficult with every patch. Rewriting a large portion of your codebase is never fun.
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++[>++++++<-]>[<++++++>-]<.>++++[>+++++<-]>[<
+++++>-]<+.+++++++..+++.>>+++++[<++++++>-]<+
+.<<+++++++++++++++.>.+++.------.--------.>+.
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