Updated Breaking changes notes

Author: ezimuel

BREAKING_CHANGES.md

@@ -37,6 +37,14 @@ The following functions has been removed:
 - `ClientBuilder::setSniffOnStart()`
 - `ClientBuilder::includePortInHostHeader()`
 
+We removed the special `client` parameter passed in `$params` endpoints. In details: 
+
+- `$params['client']['never_retry']`
+- `$params['client']['verbose']`
+- `$params['client']['port_in_header']`
+- `$params['client']['future']`, you can set HTTP async using `Client::setAsync(true)`
+- `$params['client']['ignore']`, you can disable the Exception using `Client::setResponseException(false)`
+
 # 7.17
 
 - We changed the signature of `Elasticsearch\Common\EmptyLogger::log` adding the `void` return type.

README.md

@@ -93,13 +93,14 @@ for HTTP client communications.
 
 We tried to reduce the BC breaks as much as possible with `7.x` but there are some (big) differences:
 
-- we changed the namespace, now everything is under `Elastic\Elasticsearch`;
+- we changed the namespace, now everything is under `Elastic\Elasticsearch`
 - we used the [elastic-transport-php](https://github.com/elastic/elastic-transport-php) library for HTTP communications;
 - we changed the `Exception` model, using the namespace `Elastic\Elasticsearch\Exception`. All the exceptions extends the
-  `ElasticsearchException` interface, as in 7.x;
+  `ElasticsearchException` interface, as in 7.x
 - we changed the response type of each endpoints using an [Elasticsearch](src/Response/Elasticsearch.php) response class.
   This class wraps a a [PSR-7](https://www.php-fig.org/psr/psr-7/) response allowing the access of the body response
   as array or object. This means you can access the API response as in 7.x, no BC break here! :angel:
+- we changed the `ConnectionPool` in `NodePool`. The `connection` naming was ambigous since the objects are nodes (hosts)
 
 You can have a look at the [BREAKING_CHANGES](BREAKING_CHANGES.md) file for more information.