Mangum

* Remove deprecated `enable_lifespan` parameter [109](https://github.com/jordaneremieff/mangum/issues/109).

* Include API Gateway v2 event cookies in scope headers [153](https://github.com/jordaneremieff/mangum/pull/153). Thanks [araki-yzrh](https://github.com/araki-yzrh)!

* Support ELB and fix APIGW v2 cookies response [155](https://github.com/jordaneremieff/mangum/pull/155). Thanks [araki-yzrh](https://github.com/araki-yzrh)!

* Add flake8 to CI checks [157](https://github.com/jordaneremieff/mangum/pull/157). Thanks [emcpow2](https://github.com/emcpow2)!

* Add type hints for lambda handler context parameter [158](https://github.com/jordaneremieff/mangum/pull/158). Thanks [emcpow2](https://github.com/emcpow2)!

* Extract ASGI scope creation into function [162](https://github.com/jordaneremieff/mangum/pull/162). Thanks [emcpow2](https://github.com/emcpow2)!

* Remove WebSocket support to focus on HTTP [127](https://github.com/jordaneremieff/mangum/issues/127).

* Support multiValue headers in response [129](https://github.com/jordaneremieff/mangum/pull/129). Thanks [koxudaxi](https://github.com/koxudaxi)!

* Fix duplicate test names [134](https://github.com/jordaneremieff/mangum/pull/134). Thanks [a-feld](https://github.com/a-feld)!

* Run tests and release package using GitHub Actions [131](https://github.com/jordaneremieff/mangum/issues/131). Thanks [simonw](https://github.com/simonw)!

* Only prefix a slash on the api_gateway_base_path if needed [138](https://github.com/jordaneremieff/mangum/pull/138). Thanks [dspatoulas](https://github.com/dspatoulas)!

* Add support to Brotli compress [139](https://github.com/jordaneremieff/mangum/issues/139). Thanks [fullonic](https://github.com/fullonic)!

* Make boto3 dependency optional [115](https://github.com/jordaneremieff/mangum/pull/115)

* Bugfix lifespan startup behaviour and refactor lifespan cycle, deprecate `enable_lifespan` parameter, document protocols. [108](https://github.com/jordaneremieff/mangum/pull/108)

* Resolve issue with `rawQueryString` in HTTP APIs using wrong type [105](https://github.com/jordaneremieff/mangum/issues/105)

* Implement new WebSocket storage backends for managing connections (PostgreSQL, Redis, DyanmoDB, S3, SQlite) using a single `dsn` configuration parameter [103](https://github.com/jordaneremieff/mangum/pull/103)

pre-0.9.0

I did not maintain a CHANGELOG prior to 0.9.0, however, I still would like to include a thank you to following people:

[lsorber](https://github.com/lsorber)
[SKalt](https://github.com/SKalt)
[koxudaxi](https://github.com/koxudaxi)
[zachmullen](https://github.com/zachmullen)
[remorses](https://github.com/remorses)
[allan-simon](https://github.com/allan-simon)
[jaehyeon-kim](https://github.com/jaehyeon-kim)

Your contributions to previous releases have greatly improved this project and are very much appreciated.

Special thanks to [tomchristie](https://github.com/tomchristie) for all of his support, encouragement, and guidance early on, and [rajeev](https://github.com/rajeev) for inspiring this project.