# Changelog
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).
## [Unreleased]
## [1.1.2](https://github.com/aws/aws-lambda-rust-runtime/compare/lambda_http-v1.1.1...lambda_http-v1.1.2) - 2026-03-19
### Other
- updated the following local packages: lambda_runtime_api_client, lambda_runtime
## [1.1.1](https://github.com/aws/aws-lambda-rust-runtime/compare/v1.0.2...lambda_http-v1.1.1) - 2026-03-11
### Added
- *(lambda-managed-instances)* Lambda Managed Instances support via `concurrency-tokio` feature flag with `run_concurrent()` and `BoxCloneService` for concurrent streaming responses ([#1067](https://github.com/aws/aws-lambda-rust-runtime/pull/1067))
- Add builder pattern support for event response types ([#1090](https://github.com/aws/aws-lambda-rust-runtime/pull/1090))
### Changed
- MSRV updated from 1.82.0 to 1.84.0, enabled MSRV-aware resolver ([#1078](https://github.com/aws/aws-lambda-rust-runtime/pull/1078))
### Other
- *(lambda-managed-instances)* add `tokio_unstable` to known cfgs to avoid linter warns ([#1095](https://github.com/aws/aws-lambda-rust-runtime/pull/1095))
- *(lambda-managed-instances)* warn on `run()` with `AWS_LAMBDA_MAX_CONCURRENCY`, rename feature `experimental-concurrency` to `concurrency-tokio` ([#1095](https://github.com/aws/aws-lambda-rust-runtime/pull/1095))
- *(lambda-managed-instances)* verify request-ID isolation in concurrent exec ([#1086](https://github.com/aws/aws-lambda-rust-runtime/pull/1086))
- Introducing Harness Testing ([#1103](https://github.com/aws/aws-lambda-rust-runtime/pull/1103))
- disable default features of lambda-runtime ([#1093](https://github.com/aws/aws-lambda-rust-runtime/pull/1093))
- *(deps)* update axum-extra requirement from 0.10.2 to 0.12.5 ([#1079](https://github.com/aws/aws-lambda-rust-runtime/pull/1079))
## [1.1.0-rc1](https://github.com/aws/aws-lambda-rust-runtime/compare/v1.0.2...lambda_http-v1.1.0-rc1) - 2026-02-04
### Added
- *(lambda-managed-instances)* Lambda Managed Instances support via `concurrency-tokio` feature flag with `run_concurrent()` and `BoxCloneService` for concurrent streaming responses ([#1067](https://github.com/aws/aws-lambda-rust-runtime/pull/1067))
### Changed
- MSRV updated from 1.82.0 to 1.84.0, enabled MSRV-aware resolver ([#1078](https://github.com/aws/aws-lambda-rust-runtime/pull/1078))