diff --git a/site2/website/release-notes.md b/site2/website/release-notes.md
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--- a/site2/website/release-notes.md
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@@ -1,6 +1,127 @@
 
 ## Apache Pulsar Release Notes
 
+### 2.6.0 &mdash; 2020-06-15 <a id=“2.6.0”></a>
+
+#### Features
+
+##### PIPs
+
+* [PIP-37] Large message size support [#4400](https://github.com/apache/pulsar/pull/4400)
+* [PIP-39] Namespace change events (System Topic) [#4955](https://github.com/apache/pulsar/pull/4955)
+* [PIP-45] Switch ManagedLedger to use MetadataStore interface [#5358](https://github.com/apache/pulsar/pull/5358)
+* [PIP 53] Contribute [DotPulsar](https://github.com/apache/pulsar-dotpulsar) to Apache Pulsar
+* [PIP-54] Support acknowledgment at batch index level [#6052](https://github.com/apache/pulsar/pull/6052)
+* [PIP-58] Support consumers set custom message retry delay [#6449](https://github.com/apache/pulsar/pull/6449)
+* [PIP-60] Support SNI routing to support various proxy-server [#6566](https://github.com/apache/pulsar/pull/6566)
+* [PIP-61] Advertise multiple addresses [#6903](https://github.com/apache/pulsar/pull/6903)
+* [PIP-65] Adapting Pulsar IO Sources to support Batch Sources [#7090](https://github.com/apache/pulsar/pull/7090)
+
+##### Broker 
+
+* [Broker] Add threshold shedder strategy and metrics exporter for loadbalancer [#6772](https://github.com/apache/pulsar/pull/6772)
+* [Broker] Add consistent hashing in the Key_Shared distribution [#6791](https://github.com/apache/pulsar/pull/6791)
+* [Broker] Fixed ordering issue in KeyShared subscription dispatcher when adding consumer [#7106](https://github.com/apache/pulsar/pull/7106) [#7108](https://github.com/apache/pulsar/pull/7108) [#7188](https://github.com/apache/pulsar/pull/7188)
+* [Broker] Add support for key hash range reading in Key_Shared subscription [#5928](https://github.com/apache/pulsar/pull/5928)
+* [Broker] Allow for schema reader and writer registration on SchemaDefinition [#6905](https://github.com/apache/pulsar/pull/6905)
+* [Broker] Support use null key and null value in KeyValue Schema [#7139](https://github.com/apache/pulsar/pull/7139)
+* [Broker] Support multiple pulsar clusters to use the same bk cluster [#5985](https://github.com/apache/pulsar/pull/5985)
+* [Broker] Add a flag to skip broker shutdown on transient OOM [#6634](https://github.com/apache/pulsar/pull/6634)
+* [Broker] Make zookeeper cache expiry time configurable [#6668](https://github.com/apache/pulsar/pull/6668)
+* [Broker] Check replicator periodically to avoid issue due to zookeeper missing watch [#6674](https://github.com/apache/pulsar/pull/6674)
+* [Broker] Expose managedLedgerCache, managedLedger, loadBalance metrics to Prometheus [#6705](https://github.com/apache/pulsar/pull/6705)
+* [Broker] Optimize consumer fetch messages in case of batch message [#6719](https://github.com/apache/pulsar/pull/6719)
+* [Broker] Add configuration to limit max partitions for a partitioned topic [#6794](https://github.com/apache/pulsar/pull/6794)
+* [Broker] Change default FlushEntryLogBytes to 256MB to improve bookie io throughput [#6915](https://github.com/apache/pulsar/pull/6915)
+* [Broker] Introduce precise topic publish rate limiting [#7078](https://github.com/apache/pulsar/pull/7078)
+* [Broker] Expose new entries check delay in the broker.conf [7154](https://github.com/apache/pulsar/pull/7154)
+* [Broker] Add broker interceptor for intercepting all Pulsar command and REST API requests [#7143](https://github.com/apache/pulsar/pull/7143)
+* [Broker] Only close active consumer for Failover subscription when seek() [#7141](https://github.com/apache/pulsar/pull/7141)
+* [Broker] Allow to delete topics that are failing to recover [#7131](https://github.com/apache/pulsar/pull/7131)
+* [Broker] Support set netty max frame size in bookkeeper.conf [#7116](https://github.com/apache/pulsar/pull/7116)
+* [Broker] Trigger rollover when meeting maxLedgerRolloverTimeMinutes [#7111](https://github.com/apache/pulsar/pull/7111)
+* [Broker] Cap the dispatcher batch size in bytes to fixed max [#7097](https://github.com/apache/pulsar/pull/7097)
+* [Broker] Support specify managedLedgerMaxSizePerLedgerMbytes in broker.conf [#7085](https://github.com/apache/pulsar/pull/7085)
+* [Broker] Allow to grant permissions when the authorization is disabled [#7074](https://github.com/apache/pulsar/pull/7074)
+* [Broker] Add messages and bytes counter stats to broker-stats/topics [#7045](https://github.com/apache/pulsar/pull/7045)
+* [Broker] Expose new entries check delay in the broker.conf [#7154](https://github.com/apache/pulsar/pull/7154)
+
+##### Function
+
+* [Function] Built-in functions support [#6895](https://github.com/apache/pulsar/pull/6895)
+* [Function] Add Go Function heartbeat (and gRPC service) for production usage [#6031](https://github.com/apache/pulsar/pull/6031)
+* [Function] Add custom property option to functions [#6348](https://github.com/apache/pulsar/pull/6348)
+* [Function] Separate TLS configuration of function worker and broker [#6602](https://github.com/apache/pulsar/pull/6602)
+* [Function] Added ability to build consumers in functions and sources [#6954](https://github.com/apache/pulsar/pull/6954)
+* [Function] Support DLQ on sources and sinks [#7032](https://github.com/apache/pulsar/pull/7032)
+
+##### Pulsar SQL
+
+* [SQL] KeyValue schema support [#6325](https://github.com/apache/pulsar/pull/6325)
+* [SQL] Multiple version schema support [#4847](https://github.com/apache/pulsar/pull/4847)
+* [SQL] Fix presto SQL does not start metrics service before queue execute [#7030](https://github.com/apache/pulsar/pull/7030)
+
+##### Pulsar IO
+
+* Added ability for sources to publish messages on their own [#6941](https://github.com/apache/pulsar/pull/6941)
+* [RabbitMQ] Allow routing key per message to RabbitMQ sink connector [#5890](https://github.com/apache/pulsar/pull/5890)
+* [RabbitMQ] Add passive config options [#6679](https://github.com/apache/pulsar/pull/6679)
+* [debezium] Upgrade from v0.10.0-Final to v1.0.0-Final [#5972](https://github.com/apache/pulsar/pull/5972)
+* [debezium] Support avro schema for debezium connector [#6034](https://github.com/apache/pulsar/pull/6034)
+* [influxdb2]  Add support for influxdb2 in pulsar-influxdb-sink [#6601](https://github.com/apache/pulsar/pull/6601)
+* [jdbc] Add jdbc sinks: postgres, mariadb, clickhouse [#6835](https://github.com/apache/pulsar/pull/6835)
+
+##### Pulsar Proxy
+
+* [Proxy] Add REST API to get connection and topic stats [#6473](https://github.com/apache/pulsar/pull/6473)
+* [Proxy] Add advertised address option [#6942](https://github.com/apache/pulsar/pull/6942)
+* [Proxy] Add proxyLogLevel into config [#6948](https://github.com/apache/pulsar/pull/6948)
+
+##### Clients
+
+* [Java Client] Use pure-java Air-Compressor instead of JNI based libraries [#5390](https://github.com/apache/pulsar/pull/5390)
+* [Java Client] Change the time unit of patternAutoDiscoveryPeriod to seconds [#5950](https://github.com/apache/pulsar/pull/5950)
+* [Java Client] Support waiting for inflight messages while closing producer [#6648](https://github.com/apache/pulsar/pull/6648)
+* [Java Client] Add support to load TLS certs/key dynamically from input stream [#6760](https://github.com/apache/pulsar/pull/6760)
+* [Java Client] Support return sequence ID when throwing Exception for async send message [#6825](https://github.com/apache/pulsar/pull/6825)
+* [Java Client] Change the default value of maxLookupRedirects of Java client to 20 [#7126](https://github.com/apache/pulsar/pull/7126)
+* [Java Client] Limit the number of times lookup requests are redirected [#7096](https://github.com/apache/pulsar/pull/7096)
+* [CPP Client] Support seek by time on partitioned topic [#7198](https://github.com/apache/pulsar/pull/7198)
+* [CPP Client] Refresh authentication credentials [#7070](https://github.com/apache/pulsar/pull/7070)
+* [CPP Client] Fix Result can't be serialized to string inside the library [#7034](https://github.com/apache/pulsar/pull/7034)
+* [CPP Client] Support zstd and Snappy compression to C API [#7014](https://github.com/apache/pulsar/pull/7014)
+* [Python Client] Add deliver_at and deliver_after for the producer [#6737](https://github.com/apache/pulsar/pull/6737) 
+
+##### Admin
+
+* [Admin] Support delete inactive topic when subscriptions caught up [#6077](https://github.com/apache/pulsar/pull/6077)
+* [Admin] Add configuration to disable auto-creation of subscriptions [#6456](https://github.com/apache/pulsar/pull/6456)
+* [Admin] Add maxUnackedMessagesPerSubscription and maxUnackedMessagesPerConsumer on namespaces policies [#5936](https://github.com/apache/pulsar/pull/5936)
+* [Admin] Support get a message by message ID in pulsar-admin [#6331](https://github.com/apache/pulsar/pull/6331)
+* [Admin] Support delete subscription forcefully [#6383](https://github.com/apache/pulsar/pull/6383)
+* [Admin] Add subscribe initial position for consumer CLI [#6442](https://github.com/apache/pulsar/pull/6442)
+* [Admin] Support to get managed ledger info of a partitioned topic [#6532](https://github.com/apache/pulsar/pull/6532)
+* [Admin] Support compact all partitions of a partitioned topic [#6537](https://github.com/apache/pulsar/pull/6537)
+* [Admin] Support multi-hosts in PulsarAdmin [#6547](https://github.com/apache/pulsar/pull/6547)
+* [Admin] Support to get internal stats for a partitioned topic [#6624](https://github.com/apache/pulsar/pull/6624)
+* [Admin] Support enable or disable subscription auto-creation at namespace level [#6637](https://github.com/apache/pulsar/pull/6637)
+* [Admin] Enable to set the subscription expiration time for each namespace [#6851](https://github.com/apache/pulsar/pull/6851)
+
+#### Fixes
+
+* [Broker] Fixed increasing number of partitions with attached readers [#7077](https://github.com/apache/pulsar/pull/7077)
+* [Broker] Make ZkBookieRackAffinityMapping work as expected [#6917](https://github.com/apache/pulsar/pull/6917)
+* [Broker] Fix backlog and backlog size stats keeps growing [#7082](https://github.com/apache/pulsar/pull/7082)
+* [Java Client] Fix connection leak [#6524](https://github.com/apache/pulsar/pull/6524)
+* [Java Client] Fix message id compare between MessageId and BatchMessageId [#6621](https://github.com/apache/pulsar/pull/6621)
+* [Java Client] Fix memory leak when create producer with not exsits topic [#7120](https://github.com/apache/pulsar/pull/7120) [#7124](https://github.com/apache/pulsar/pull/7124)
+* [Java Client] Fix duplicated messages sent to dead letter topic [#7021](https://github.com/apache/pulsar/pull/7021)
+* [CPP Client] Fix deadlock of consumer for topics auto discovery [#7206](https://github.com/apache/pulsar/pull/7206)
+* [Managed Ledger] Fix NPE on opening non-durable cursors on an empty managed ledger [#7133](https://github.com/apache/pulsar/pull/7133)
+* [Websocket] Fix incorrect topic URL parse [#6630](https://github.com/apache/pulsar/pull/6630)
+* [Pulsar SQL] Fix problem with multiple zookeeper address [#6947](https://github.com/apache/pulsar/pull/6947)
+* [Docker] Do not apply env values to pulsar_env.sh and bkenv.sh implicitly [6579](https://github.com/apache/pulsar/pull/6579)
+
 ### 2.5.2 &mdash; 2020-05-19 <a id=“2.5.2”></a>
 
 #### Fixes and Enhancements
@@ -104,7 +225,7 @@
 * [Broker] Fixed restore clusterDispatchRate policy for compatibility [#6176](https://github.com/apache/pulsar/pull/6176) 
 * [Broker] Fix some async method problems at PersistentTopicsBase. [#6483](https://github.com/apache/pulsar/pull/6483) 
 * [Broker] This "earlier" message should be avoided to emit when reset cursor.[#6393](https://github.com/apache/pulsar/pull/6393)
-
+* [Broker] Change the permission level of managing subscription from super-user to tenant admin [#6122](https://github.com/apache/pulsar/pull/6122)
 
 ##### Managed Ledger
 * [Managed Ledger] Fixed consumer received duplicated delayed messages upon restart [#6404](https://github.com/apache/pulsar/pull/6404)