= Release notes for Gerrit 2.13


Gerrit 2.13 is now available:

link:https://www.gerritcodereview.com/download/gerrit-2.13.war[
https://www.gerritcodereview.com/download/gerrit-2.13.war]


== Important Notes

TODO


== Release Highlights

* Metrics interface.


== New Features

=== Metrics

Metrics about Gerrit's internal state can be sent to external
monitoring systems.

The following metrics are supported:

* HTTP responses
+
TODO details here and in the others

* REST API calls

* SSH sessions

* Caches

* SQL connections

* TODO add more


Plugins can provide implementations of the metrics interface to
report metrics to different monitoring systems. The following
plugins are available:

* JMX

* Graphite

* Elasticsearch


Plugins can also provide metrics.  The following metrics are provided
by core plugins:

* Replication

** Replication time

* TODO add more

=== Changes

In order to avoid potentially confusing behavior, when submitting changes in a
batch, submit type rules may not be used to mix submit types on a single branch,
and trying to submit such a batch will fail.

== Bug Fixes

TODO


== Upgrades

* Upgrade CodeMirror to 5.14.2

* Upgrade Guava to 19.0

* Upgrade Gson to 2.6.2

* Upgrade gwtjsonrpc to version 1.8

* Upgrade gwtorm to 1.15

* Upgrade javassist.jar to 3.18.1

* Upgrade Jetty to 9.2.14.v20151106

* Upgrade JGit to 4.3.0.201604071810-r

* Upgrade Lucene to 5.4.1

* Upgrade mina to 2.10

* Upgrade sshd-core to 1.2.0

* Upgrade Truth to 0.28