>“We must minimize the need to change existing code. For adoption in existing code, decades of experience has consistently shown that most customers with large code bases cannot and will not change even 1% of their lines of code in order to satisfy strictness rules, not even for safety reasons unless regulatory requirements compel them to do so.”

But the major players do seem to be happy to replace their C++ code with Rust.

Perhaps it's time to ease up on the backwards compatibility. Especially in the era of AI.