Is pairing still considered experimental?

Hello! It's been 2 years since this note was added, is pairing still considered experimental?

```rust
/// _Note_: pairing function support is experimental and subject to change
```

https://github.com/ZenGo-X/curv/blame/30e9380158fce871c1ef54d71bdabe66fc99e5bb/src/elliptic/curves/bls12_381/pairing.rs#L11