On the other hand, if the thing you don't like about C++ is that it keeps changing you may be unsatisfied in Rust too because Rust has in some ways an even faster pace of changes. Rust as it was written in 2015 still compiles on a modern Rust compiler (with edition set to "2015" and modulo any security issues) but it is no longer idiomatic Rust.
On the other hand, if the thing you don't like about C++ is that it keeps changing you may be unsatisfied in Rust too because Rust has in some ways an even faster pace of changes. Rust as it was written in 2015 still compiles on a modern Rust compiler (with edition set to "2015" and modulo any security issues) but it is no longer idiomatic Rust.