Update changelog

---

applies_to: ["server"]

authors: ["rcoh"]

references: ["smithy-rs#3890"]

breaking: false

new_feature: false

bug_fix: true

---

Fix bug in `serde` decorator that generated non-compiling code on some models

<!-- Do not manually edit this file. Use the `changelogger` tool. -->

December 26th, 2024

===================

**New this release:**

- :bug: (server, [smithy-rs#3890](https://github.com/smithy-lang/smithy-rs/issues/3890)) Fix bug in `serde` decorator that generated non-compiling code on some models

December 16th, 2024

===================

{

  "smithy-rs": [],

  "aws-sdk-rust": [

    {

      "message": "Client SDKs built with the `awsQueryCompatible` trait now include the `x-amzn-query-mode` header. This header signals the service that the clients are operating in compatible mode.\n",

      "meta": {

        "bug": false,

        "breaking": false,

        "tada": false

      },

      "author": "ysaito1001",

      "references": [

        "smithy-rs#3883"

      ],

      "since-commit": "c606065c0e2e97d3cecb6a675ffc226dc488d674",

      "age": 5

    },

    {

      "message": "Fix default credential provider chain not respecting endpoint URL overrides from environment\n",

      "meta": {

        "bug": true,

        "breaking": false,

        "tada": false

      },

      "author": "aajtodd",

      "references": [

        "aws-sdk-rust#1193"

      ],

      "since-commit": "c606065c0e2e97d3cecb6a675ffc226dc488d674",

      "age": 5

    },

    {

      "message": "Add auth token generator for Amazon Aurora DSQL.\n\n```rust\nuse aws_sdk_dsql::auth_token::{AuthTokenGenerator, Config};\n\n#[tokio::main]\nasync fn main() {\n   let cfg = aws_config::load_defaults(BehaviorVersion::latest()).await;\n   let generator = AuthTokenGenerator::new(\n       Config::builder()\n           .hostname(\"peccy.dsql.us-east-1.on.aws\")\n           .build()\n           .expect(\"cfg is valid\"),\n   );\n   let token = generator.auth_token(&cfg).await.unwrap();\n   println!(\"{token}\");\n}\n```\n\nThe resulting token can then be used as a password when connecting to the\ndatabase server.\n",

      "meta": {

      "author": "Velfi",

      "references": [],

      "since-commit": "039177d0ee6dd288ad57de2230a1110bbe7ff7d5",

      "age": 2

      "age": 3

    },

    {

      "message": "It is now possible to disable payload signing through an operation customization.\n\n```rust\nasync fn put_example_object(client: &aws_sdk_s3::Client) {\n    let res = client\n        .put_object()\n        .bucket(\"test-bucket\")\n        .key(\"test-key\")\n        .body(ByteStream::from_static(b\"Hello, world!\"))\n        .customize()\n        // Setting this will disable payload signing.\n        .disable_payload_signing()\n        .send()\n        .await;\n}\n```\n\nDisabling payload signing will result in a small speedup at the cost of removing a data integrity check.\nHowever, this is an advanced feature and **may not be supported by all services/operations**.\n",

        "smithy-rs#3583"

      ],

      "since-commit": "89881abd3df80e9b6fd59790d7c02e2b9a6dd45c",

      "age": 1

      "age": 2

    }

  ],

  "aws-sdk-model": []