# v1.5.2

## Package Downloads <a href="#package-downloads" id="package-downloads"></a>

### RPM <a href="#rpm" id="rpm"></a>

Cypress Packages

* [kcnd-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/kcnd-v1.5.2-0.el7.x86_64.rpm)
* [kpnd-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/kpnd-v1.5.2-0.el7.x86_64.rpm)
* [kend-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/kend-v1.5.2-0.el7.x86_64.rpm)

Baobab Packages

* [kcnd-baobab-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/kcnd-baobab-v1.5.2-0.el7.x86_64.rpm)
* [kpnd-baobab-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/kpnd-baobab-v1.5.2-0.el7.x86_64.rpm)
* [kend-baobab-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/kend-baobab-v1.5.2-0.el7.x86_64.rpm)

Common Packages

* [kscnd-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/kscnd-v1.5.2-0.el7.x86_64.rpm)
* [kspnd-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/kspnd-v1.5.2-0.el7.x86_64.rpm)
* [ksend-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/ksend-v1.5.2-0.el7.x86_64.rpm)
* [kbnd-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/kbnd-v1.5.2-0.el7.x86_64.rpm)
* [kgen-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/kgen-v1.5.2-0.el7.x86_64.rpm)
* [homi-v1.5.2-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.5.2/homi-v1.5.2-0.el7.x86_64.rpm)

### Linux <a href="#linux" id="linux"></a>

Cypress Packages

* [kcn-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kcn-v1.5.2-0-linux-amd64.tar.gz)
* [kpn-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kpn-v1.5.2-0-linux-amd64.tar.gz)
* [ken-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/ken-v1.5.2-0-linux-amd64.tar.gz)

Baobab Packages

* [kcn-baobab-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kcn-baobab-v1.5.2-0-linux-amd64.tar.gz)
* [kpn-baobab-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kpn-baobab-v1.5.2-0-linux-amd64.tar.gz)
* [ken-baobab-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/ken-baobab-v1.5.2-0-linux-amd64.tar.gz)

Common Packages

* [kscn-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kscn-v1.5.2-0-linux-amd64.tar.gz)
* [kspn-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kspn-v1.5.2-0-linux-amd64.tar.gz)
* [ksen-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/ksen-v1.5.2-0-linux-amd64.tar.gz)
* [kbn-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kbn-v1.5.2-0-linux-amd64.tar.gz)
* [kgen-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kgen-v1.5.2-0-linux-amd64.tar.gz)
* [homi-v1.5.2-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/homi-v1.5.2-0-linux-amd64.tar.gz)

### MacOS <a href="#macos" id="macos"></a>

Cypress Packages

* [kcn-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kcn-v1.5.2-0-darwin-10.10-amd64.tar.gz)
* [kpn-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kpn-v1.5.2-0-darwin-10.10-amd64.tar.gz)
* [ken-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/ken-v1.5.2-0-darwin-10.10-amd64.tar.gz)

Baobab Packages

* [kcn-baobab-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kcn-baobab-v1.5.2-0-darwin-10.10-amd64.tar.gz)
* [kpn-baobab-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kpn-baobab-v1.5.2-0-darwin-10.10-amd64.tar.gz)
* [ken-baobab-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/ken-baobab-v1.5.2-0-darwin-10.10-amd64.tar.gz)

Common Packages

* [kscn-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kscn-v1.5.2-0-darwin-10.10-amd64.tar.gz)
* [kspn-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kspn-v1.5.2-0-darwin-10.10-amd64.tar.gz)
* [ksen-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/ksen-v1.5.2-0-darwin-10.10-amd64.tar.gz)
* [kbn-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kbn-v1.5.2-0-darwin-10.10-amd64.tar.gz)
* [kgen-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/kgen-v1.5.2-0-darwin-10.10-amd64.tar.gz)
* [homi-v1.5.2-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.5.2/homi-v1.5.2-0-darwin-10.10-amd64.tar.gz)

### Windows <a href="#windows" id="windows"></a>

* Not supported yet

## Release Notes for Klaytn v1.5.2 <a href="#release-notes-for-klaytn-v1-5-2" id="release-notes-for-klaytn-v1-5-2"></a>

### New Features

* Implemented chain data fetcher to push blockchain data to RDB in real time
  * Implemented chain data fetcher to load token transfer histories (#586)
  * Implemented chain data fetcher to load internal/revert transaction data (#587)
  * Implemented chain data fetcher to load contracts data (#588)
* Implemented supports for KAS Anchor API in Service chain Node (#591)
  * Blocks in a service chain can be easily anchored to Baobab/Cypress via KAS Anchor API using command options (#653)
  * `txpool.allow-local-anchortx` command option to allow anchor transaction submission via JSON-RPC (#614)
  * Support for a new anchor data type (JSON format) (#614)

### Miscellaneous

* Added a new database implementation (DynamoDB) (#633, #624, #615, #598)
* Added `overwrite-genesis` flag to initialize the genesis block with an existing state (#649)
* Implemented stateDB cache interface to support various types of cache implementations (#646)