Add missing CHANGES update
@@ -16,6 +16,14 @@ Platform 1.52
reported metrics that are generated. It provides a ReportingTester that
can be used to collect and return reported metrics.
+* HttpClient
+
+ The HttpClient.IoPool.*.FreeThreadCount metric now uses the HttpClient's
+ config prefix, with lower-hyphen converted to upper-camel, instead of the
+ qualifer as the third component in its name. This was because previously
+ multiple BalancingHttpClients would generate multiple metrics with the same
+ name, leading to exceptions.
+
* [Bug] Fixed the Platform-provided ExceptionMapper classes to not pick up
media types from the resource method annotations.
