Prepare 1.31.0 (#5888)

CHANGELOG.md

@@ -2,13 +2,69 @@
 
 ## Unreleased
 
-* Update `queueSize` metric description and attribute name for `processorType`
+### API
+
+#### Incubator
+
+* Refactor advice API to simplify usage
+  ([#5848](https://github.com/open-telemetry/opentelemetry-java/pull/5848))
+
+### SDK
+
+* BatchLogRecordProcessor and BatchSpanProcessor unify `queueSize` metric
+  description and attribute name for `processorType`
   ([#5836](https://github.com/open-telemetry/opentelemetry-java/pull/5836))
 
+#### Metrics
+
+* Allow instrument names to contain a forward slash
+  ([#5824](https://github.com/open-telemetry/opentelemetry-java/pull/5824))
+* Memory Mode support: Adding memory mode, and implementing it for Asynchronous Instruments
+  ([#5709](https://github.com/open-telemetry/opentelemetry-java/pull/5709),
+  [#5855](https://github.com/open-telemetry/opentelemetry-java/pull/5855))
+* Stabilize MetricProducer, allow custom MetricReaders
+  ([#5835](https://github.com/open-telemetry/opentelemetry-java/pull/5835))
+* Drop NaN measurements to metric instruments
+  ([#5859](https://github.com/open-telemetry/opentelemetry-java/pull/5859))
+* Fix flaky MetricExporterConfigurationTest
+  ([#5877](https://github.com/open-telemetry/opentelemetry-java/pull/5877))
+
+#### Logs
+
+* Add addAllAttributes() to ReadWriteLogRecord.
+  ([#5825](https://github.com/open-telemetry/opentelemetry-java/pull/5825))
+
+#### Exporters
+
+* Prometheus exporter: handle colliding metric attribute keys
+  ([#5717](https://github.com/open-telemetry/opentelemetry-java/pull/5717))
+
+#### SDK Extensions
+
+* File configuration ConfigurationReader handles null values as empty
+  ([#5829](https://github.com/open-telemetry/opentelemetry-java/pull/5829))
+
+#### Semantic conventions
+
+* BREAKING: Stop publishing `io.opentelemetry:opentelemetry-semconv`. Please use
+  `io.opentelemetry.semconv:opentelemetry-semconv:1.21.0-alpha` instead, which is published
+  from [open-telemetry/semantic-conventions-java](https://github.com/open-telemetry/semantic-conventions-java).
+  The new repository is published in lockstep
+  with [open-telemetry/semantic-conventions](https://github.com/open-telemetry/semantic-conventions).
+  ([#5807](https://github.com/open-telemetry/opentelemetry-java/pull/5807))
+
+### Project Tooling
+
+* Add Benchmark workflows
+  ([#5842](https://github.com/open-telemetry/opentelemetry-java/pull/5842),
+  [#5874](https://github.com/open-telemetry/opentelemetry-java/pull/5874))
+* Add clearer docs around coroutine support with an example
+  ([#5799](https://github.com/open-telemetry/opentelemetry-java/pull/5799))
+
 ## Version 1.30.1 (2023-09-11)
 
 * Fix autoconfigure bug creating multiple `PrometheusHttpServer` instances with same port
-  ([#5911](https://github.com/open-telemetry/opentelemetry-java/pull/5811))
+  ([#5811](https://github.com/open-telemetry/opentelemetry-java/pull/5811))
 
 ## Version 1.30.0 (2023-09-08)
 

sdk/common/src/main/java/io/opentelemetry/sdk/common/export/MemoryMode.java

@@ -5,7 +5,11 @@
 
 package io.opentelemetry.sdk.common.export;
 
-/** The memory semantics of the SDK. */
+/**
+ * The memory semantics of the SDK.
+ *
+ * @since 1.31.0
+ */
 public enum MemoryMode {
 
   /**

sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/export/CollectionRegistration.java

@@ -22,14 +22,11 @@ public interface CollectionRegistration {
   /**
    * Returns a noop {@link CollectionRegistration}, useful for {@link MetricReader}s to hold before
    * {@link MetricReader#register(CollectionRegistration)} is called.
+   *
+   * @since 1.31.0
    */
   static CollectionRegistration noop() {
-    return new CollectionRegistration() {
-      @Override
-      public Collection<MetricData> collectAllMetrics() {
-        return Collections.emptyList();
-      }
-    };
+    return new CollectionRegistration() {};
   }
 
   /**
@@ -38,6 +35,8 @@ public Collection<MetricData> collectAllMetrics() {
    * <p>If {@link MetricReader#getMemoryMode()} is configured to {@link MemoryMode#REUSABLE_DATA} do
    * not keep the result or any of its contained objects as they are to be reused to return the
    * result for the next call to this method.
+   *
+   * @since 1.31.0
    */
   default Collection<MetricData> collectAllMetrics() {
     return Collections.emptyList();