apiVersion: release-notes/v2
kind: feature
area: telemetry
issue:
  - 28801

releaseNotes:
- |
  **Added** canonical service tags to Envoy-generated trace spans.
upgradeNotes:
  - title: Service Tags added to trace spans
    content: |
      Istio now configures Envoy to include tags identifying the canonical service for a workload in generated trace spans.

      This will lead to a small increase in storage per span for tracing backends.

                    }
                }
                // else, unchanged; check next file
            } else {
                Change added = changeFactory.added(currentAbsolutePath, propertyTitle, currentItem);
                if (!visitor.visitChange(added)) {
                    return false;
                }
            }
        }

        for (String previousAbsolutePath : unaccountedForPreviousItems) {

     * format.  Note that if multiple actions are added, they are executed in the order they were added.
     *
     * @param outgoingConfiguration the configuration corresponding to the variant to configure with a given action
     * @param action an additional action to be executed to configure the variant prior to publishing
     * @throws InvalidUserDataException if the specified variant was not already added to this component
     */

			"pod", klog.KObj(pod), "modifiedPod", klog.KObj(modifiedPod))
		return framework.QueueSkip, nil
	}

	// Pod is added. Return Queue when the added pod matching the target pod's affinity.
	if modifiedPod != nil {
		if podMatchesAllAffinityTerms(terms, modifiedPod) {
			logger.V(5).Info("a scheduled pod was added and it matches the target pod's affinity",
				"pod", klog.KObj(pod), "modifiedPod", klog.KObj(modifiedPod))

kind: feature
area: traffic-management
issue:
- https://github.com/istio/istio/issues/17635
releaseNotes:
  - |
    **Added** a new configuration to `ProxyHeaders`, `MetadataExchangeHeaders`. The `IN_MESH` mode ensures `x-envoy-peer-metadata` and `x-envoy-peer-metadata-id`

var y3 = x3

type T3 struct{}

func (T3) m() int {
	_ = y3
	return 0
}

var x4 /* ERROR "initialization cycle" */ = T4{}.m // <<<< added {}

var y4 = x4

type T4 struct{}

func (T4) m() int {
	_ = y4
	return 0
}

var x5 /* ERROR "initialization cycle" */ = T5{}.m() // <<<< added ()

var y5 = x5

type T5 struct{}

Written by hand.
Test module with a root package added in v1.1.0
and a subpackage added in v1.2.0.

-- .mod --
module example.net/pkgadded

go 1.16
-- .info --
{"Version":"v1.0.0"}
-- go.mod --
module example.net/pkgadded

go 1.16
-- README.txt --
We will add the package example.net/pkgadded in v1.1.0,

 * to the project directory.
 *
 * @param url the base URL of this repository. This URL is used to find both POMs and artifact files.
 * @return The added repository.
 *
 * @see [RepositoryHandler.maven]
 * @see [MavenArtifactRepository.setUrl]
 */
fun RepositoryHandler.maven(url: Any) =
    maven { setUrl(url) }


/**

                    } else {
                        if (!diffListener.added(currentProperty)) {
                            return false;
                        }
                        break;
                    }
                } else if (compared > 0) {
                    if (!diffListener.added(currentProperty)) {
                        return false;
                    }

	s.toDelete = append(s.toDelete, slices.toDelete...)
}

// totalsByAction includes total numbers for added and removed.
type totalsByAction struct {
	added, updated, removed int
}

// add adds totals from another totalsByAction struct.
func (t *totalsByAction) add(totals totalsByAction) {
	t.added += totals.added
	t.updated += totals.updated
	t.removed += totals.removed
}