Update CHANGELOG.

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.0.19] 2021-12-28
+
+- Add `InputType` / `OutputType` support for `hashbrown` crate.
+
 ## [3.0.18] 2021-12-26
 
 - Federation's `_Entity` should not be sent if empty as it's in conflict with [GraphQL Union type validation](https://spec.graphql.org/draft/#sec-Unions.Type-Validation) [#765](https://github.com/async-graphql/async-graphql/pull/765).

Cargo.toml

@@ -33,7 +33,6 @@ async-stream = "0.3.0"
 async-trait = "0.1.48"
 fnv = "1.0.7"
 futures-util = { version = "0.3.0", default-features = false, features = ["io", "sink"] }
-hashbrown = { version="0.11.2", optional = true }
 indexmap = "1.6.2"
 once_cell = "1.7.2"
 pin-project-lite = "0.2.6"
@@ -53,6 +52,7 @@ num-traits = "0.2.14"
 bson = { version = "2.0.0", optional = true, features = ["chrono-0_4"] }
 chrono = { version = "0.4.19", optional = true }
 chrono-tz = { version = "0.5.3", optional = true }
+hashbrown = { version = "0.11.2", optional = true }
 iso8601-duration = { version = "0.1.0", optional = true }
 log = { version = "0.4.14", optional = true }
 secrecy = { version = "0.7.0", optional = true }

src/lib.rs

@@ -74,6 +74,7 @@
 //! - `decimal`: Integrate with the [`rust_decimal` crate](https://crates.io/crates/rust_decimal).
 //! - `cbor`: Support for [serde_cbor](https://crates.io/crates/serde_cbor).
 //! - `smol_str`: Integrate with the [`smol_str` crate](https://crates.io/crates/smol_str).
+//! - `hashbrown`: Integrate with the [`hashbrown` crate](https://github.com/rust-lang/hashbrown).
 //!
 //! ## Integrations
 //!