* [Added] Add Application keys v2 API. See [182](https://github.com/DataDog/datadog-api-client-python/pull/182).
* [Added] Mark Usage Attribution endpoint as public beta. See [170](https://github.com/DataDog/datadog-api-client-python/pull/170).
* [Added] Add AWS filtering endpoints. See [168](https://github.com/DataDog/datadog-api-client-python/pull/168).
* [Added] Add limit parameter for get usage top average metrics. See [166](https://github.com/DataDog/datadog-api-client-python/pull/166).
* [Added] Add endpoint to fetch process summaries. See [165](https://github.com/DataDog/datadog-api-client-python/pull/165).
* [Added] Add synthetics private location endpoints. See [164](https://github.com/DataDog/datadog-api-client-python/pull/164).
* [Added] Add user_update, recommendation and snapshot as event alert types. See [163](https://github.com/DataDog/datadog-api-client-python/pull/163).
* [Added] Add Usage Attribution endpoint. See [161](https://github.com/DataDog/datadog-api-client-python/pull/161).
* [Added] Add new API for incident management usage. See [159](https://github.com/DataDog/datadog-api-client-python/pull/159).
* [Changed] Mark request bodies as required or explicitly optional. See [176](https://github.com/DataDog/datadog-api-client-python/pull/176).
* [Changed] Mark query field as optional when searching logs. See [158](https://github.com/DataDog/datadog-api-client-python/pull/158).
* [Deprecated] Deprecate subscription and billing fields in create organization endpoint. See [167](https://github.com/DataDog/datadog-api-client-python/pull/167).
* [Removed] Remove org_id parameter from Usage Attribution endpoint. See [172](https://github.com/DataDog/datadog-api-client-python/pull/172).