*   Allow var.assign on MirroredVariables with aggregation=NONE in replica
    context. Previously this would raise an error. We now allow this because
    many users and library writers find using `.assign` in replica context to be
    more convenient, instead of having to use `Strategy.extended.update` which
    was the previous way of updating variables in this situation.

* Add section about [helping and getting help with **FastAPI**](https://fastapi.tiangolo.com/help-fastapi/).

* Add note about [path operations order in docs](https://fastapi.tiangolo.com/tutorial/path-params/#order-matters).

all hash functions. It is a copy // of [hash.Hash] from the standard library, to avoid depending on security // definitions from outside of the module. type Hash interface { // Write (via the embedded io.Writer interface) adds more data to the // running hash. It never returns an error. io.Writer // Sum appends the current hash to b and returns the resulting slice. // It does not change the underlying hash state. Sum(b []byte) []byte // Reset resets the Hash to its initial state. Reset() // Size returns...