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Update RELEASES.md

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@ -37,8 +37,10 @@ Libraries
Android platforms when available.][81469]
- [`slice::IterMut<'_, T>` now implements `AsRef<[T]>`][82771]
- [Arrays of any length now implement `IntoIterator`.][84147]
Currently `.into_iter()` will return `slice::Iter` (`Item=&T`), but
this may change in a future edition to return `Item=T`.
Currently call `.into_iter()` as a method on an array will
return `impl Iterator<Item=&T>`, but this may change in a
future edition to change `Item` to `T`. Calling `IntoIterator::into_iter`
directly on arrays will provide `impl Iterator<Item=T>` as expected.
- [`NonZero<T>::{leading_zeros, trailing_zeros}` is now `const`.][84082]
- [`{f32, f64}::from_str` now parse and print special values
(`NaN`, `-0`) according to IEEE RFC 754.][78618]