# v1.4.0

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

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

Cypress Packages

* [kcnd-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/kcnd-v1.4.0-0.el7.x86_64.rpm)
* [kpnd-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/kpnd-v1.4.0-0.el7.x86_64.rpm)
* [kend-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/kend-v1.4.0-0.el7.x86_64.rpm)

Baobab Packages

* [kcnd-baobab-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/kcnd-baobab-v1.4.0-0.el7.x86_64.rpm)
* [kpnd-baobab-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/kpnd-baobab-v1.4.0-0.el7.x86_64.rpm)
* [kend-baobab-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/kend-baobab-v1.4.0-0.el7.x86_64.rpm)

Common Packages

* [kscnd-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/kscnd-v1.4.0-0.el7.x86_64.rpm)
* [kspnd-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/kspnd-v1.4.0-0.el7.x86_64.rpm)
* [ksend-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/ksend-v1.4.0-0.el7.x86_64.rpm)
* [kbnd-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/kbnd-v1.4.0-0.el7.x86_64.rpm)
* [kgen-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/kgen-v1.4.0-0.el7.x86_64.rpm)
* [homi-v1.4.0-0.el7.x86\_64.rpm](http://packages.klaytn.net/klaytn/v1.4.0/homi-v1.4.0-0.el7.x86_64.rpm)

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

Cypress Packages

* [kcn-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kcn-v1.4.0-0-linux-amd64.tar.gz)
* [kpn-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kpn-v1.4.0-0-linux-amd64.tar.gz)
* [ken-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/ken-v1.4.0-0-linux-amd64.tar.gz)

Baobab Packages

* [kcn-baobab-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kcn-baobab-v1.4.0-0-linux-amd64.tar.gz)
* [kpn-baobab-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kpn-baobab-v1.4.0-0-linux-amd64.tar.gz)
* [ken-baobab-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/ken-baobab-v1.4.0-0-linux-amd64.tar.gz)

Common Packages

* [kscn-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kscn-v1.4.0-0-linux-amd64.tar.gz)
* [kspn-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kspn-v1.4.0-0-linux-amd64.tar.gz)
* [ksen-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/ksen-v1.4.0-0-linux-amd64.tar.gz)
* [kbn-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kbn-v1.4.0-0-linux-amd64.tar.gz)
* [kgen-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kgen-v1.4.0-0-linux-amd64.tar.gz)
* [homi-v1.4.0-0-linux-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/homi-v1.4.0-0-linux-amd64.tar.gz)

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

Cypress Packages

* [kcn-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kcn-v1.4.0-0-darwin-10.10-amd64.tar.gz)
* [kpn-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kpn-v1.4.0-0-darwin-10.10-amd64.tar.gz)
* [ken-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/ken-v1.4.0-0-darwin-10.10-amd64.tar.gz)

Baobab Packages

* [kcn-baobab-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kcn-baobab-v1.4.0-0-darwin-10.10-amd64.tar.gz)
* [kpn-baobab-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kpn-baobab-v1.4.0-0-darwin-10.10-amd64.tar.gz)
* [ken-baobab-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/ken-baobab-v1.4.0-0-darwin-10.10-amd64.tar.gz)

Common Packages

* [kscn-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kscn-v1.4.0-0-darwin-10.10-amd64.tar.gz)
* [kspn-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kspn-v1.4.0-0-darwin-10.10-amd64.tar.gz)
* [ksen-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/ksen-v1.4.0-0-darwin-10.10-amd64.tar.gz)
* [kbn-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kbn-v1.4.0-0-darwin-10.10-amd64.tar.gz)
* [kgen-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/kgen-v1.4.0-0-darwin-10.10-amd64.tar.gz)
* [homi-v1.4.0-0-darwin-10.10-amd64.tar.gz](http://packages.klaytn.net/klaytn/v1.4.0/homi-v1.4.0-0-darwin-10.10-amd64.tar.gz)

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

* Not supported yet

## Klaytn v1.4.0 릴리즈 정보 <a href="#release-notes-for-klaytn-v1-4-0" id="release-notes-for-klaytn-v1-4-0"></a>

### New Features <a href="#new-features" id="new-features"></a>

* 키스토어 V4
  * Klaytn 계정 활용을 돕는 새로운 키스토어 표준 [KIP-3](https://klaytn.github.io/kips/KIPs/kip-3)을 도입했습니다.

### Fixes <a href="#fixes" id="fixes"></a>

* `stakingInfo` 업데이트 시 타이밍 이슈로 인해 간간이 잘못된 블록이 발생하는 문제를 해결했습니다.
* API와 트리 노드 가비지 컬렉션 사이의 타이밍 이슈로 인해 `debug.traceBlock` 실행 시 발생하는 문제를 해결했습니다.
* 블록 동기화 과정 중 보고된 버그를 수정했습니다.

### Improvements <a href="#improvements" id="improvements"></a>

* 최적화된 스토리지 트리
  * Klaytn은 이제 모든 트랜잭션이 아니라 모든 블록마다 스토리지 루트 해시를 계산합니다.
  * Klaytn은 트리 해시 루트를 동시에 계산합니다.
* 증가된 상태 트리 캐시 크기
  * 기본 캐시 크기 증가로 향상된 성능
* Badger DB 버전 v1.6.0으로 업그레이드.
* 매트릭스 패키지 교체
* 업데이트된 패키지 설명
* 더 넓어진 테스트 코드 커버리지