# Notice / 공지사항 **URL:** https://devforum.kaia.io/c/notice/31.md [최신](https://devforum.kaia.io/latest.md) · [카테고리](https://devforum.kaia.io/categories.md) · [태그](https://devforum.kaia.io/tags.md) --- ## [About the Notice / 공지사항 category](https://devforum.kaia.io/t/about-the-notice-category/3202)
**Author:** [@Aidan](https://devforum.kaia.io/u/Aidan)\ **댓글:** 0\ **마지막 업데이트:** [1월 12, 2022, 5:45오전 UTC](https://devforum.kaia.io/t/about-the-notice-category/3202 "2022-01-12T05:45:26Z")
Topics in this category are about important announcements related to Kaia or Kaia development. All topics in this category would be written in both English and Korean. It requires moderator approval of all new topics. --- ## [\[Breaking Change\] v2.2.2 Hardfork Upgrade: Removal of Bytecode at address(0)](https://devforum.kaia.io/t/breaking-change-v2-2-2-hardfork-upgrade-removal-of-bytecode-at-address-0/9094)
**Author:** [@Aiden\_Park](https://devforum.kaia.io/u/Aiden_Park)\ **댓글:** 2\ **마지막 업데이트:** [4월 3, 2026, 6:31오후 UTC](https://devforum.kaia.io/t/breaking-change-v2-2-2-hardfork-upgrade-removal-of-bytecode-at-address-0/9094 "2026-04-03T18:31:56Z")
Hi builders, Starting from the v2.2.2 Hardfork (estimated date: Apr 7, 2026 block number: 213333000), the bytecode deployed at address(0) on Kaia Mainnet will be completely removed. After this change, address(0) will … --- ## [Welcome to the Kaia Developers Forum! / Kaia 개발자 포럼에 오신 것을 환영합니다!](https://devforum.kaia.io/t/welcome-to-the-kaia-developers-forum-kaia/7307)
**Author:** [@heather\_shin](https://devforum.kaia.io/u/heather_shin)\ **댓글:** 1\ **마지막 업데이트:** [9월 11, 2024, 3:30오후 UTC](https://devforum.kaia.io/t/welcome-to-the-kaia-developers-forum-kaia/7307 "2024-09-11T15:30:45Z")
Welcome! This is your go-to place for all discussions about Kaia, blockchain technology, and its applications. Feel free to ask questions and share knowledge with the community. Our developers are here to help you as muc… --- ## [Gas Price Reduction Schedule / 가스비 인하 일정 안내](https://devforum.kaia.io/t/gas-price-reduction-schedule/5190)
**Author:** [@Aidan](https://devforum.kaia.io/u/Aidan)\ **댓글:** 0\ **마지막 업데이트:** [5월 16, 2022, 7:52오전 UTC](https://devforum.kaia.io/t/gas-price-reduction-schedule/5190 "2022-05-16T07:52:41Z")
As mentioned in gas fee burn and gas price reduction announcement, the gas price will be reduced on Klaytn Baobab and Cypress networks in May. The adjusted price will be effective for each network after the First-Come, F… --- ## [Notice for KAS, Klip, Kaikas Forum Migration](https://devforum.kaia.io/t/notice-for-kas-klip-kaikas-forum-migration/4257)
**Author:** [@Aidan](https://devforum.kaia.io/u/Aidan)\ **댓글:** 0\ **마지막 업데이트:** [3월 8, 2022, 4:51오전 UTC](https://devforum.kaia.io/t/notice-for-kas-klip-kaikas-forum-migration/4257 "2022-03-08T04:51:39Z")
KAS, Klip and Kaikas developer forums are moved from Klaytn Forum to separate forum pages. Make sure to visit the new forum pages. Forum KAS New Forum: https://support.klaytnapi.com/hc/en-us/community/topics Klip Ne… --- ## [V1.8.0-rc Temporary Test Network Open](https://devforum.kaia.io/t/v1-8-0-rc-temporary-test-network-open/4036)
**Author:** [@Aidan](https://devforum.kaia.io/u/Aidan)\ **댓글:** 0\ **마지막 업데이트:** [2월 23, 2022, 8:55오전 UTC](https://devforum.kaia.io/t/v1-8-0-rc-temporary-test-network-open/4036 "2022-02-23T08:55:26Z")
Temporary Test Network for v1.8.0 We are excited to present our test network for Klaytn v1.8.0-rc version currently under QA process. Ecosystem developers can test out the changes of the new version, as well as partaking… --- ## [The posting guideline of Klaytn](https://devforum.kaia.io/t/the-posting-guideline-of-klaytn/3294)
**Author:** [@Denver](https://devforum.kaia.io/u/Denver)\ **댓글:** 0\ **마지막 업데이트:** [1월 17, 2022, 8:35오전 UTC](https://devforum.kaia.io/t/the-posting-guideline-of-klaytn/3294 "2022-01-17T08:35:42Z")
안녕하세요. 클레이튼에 관심 가져주셔서 감사드립니다. 더욱 정확한 답변과 원활한 의사소통을 위해서 포럼 질문 가이드라인을 제공합니다. 글을 작성하기 전에, 중복된 질문은 아닌지 먼저 검색해 보시기 바랍니다. 글을 작성하실 때는 아래의 내용으로 작성해 주시기 바랍니다. 버전 : ken-v1.7.4 OS 환경 : MacOS 12.3 || Ubuntu 16.10 || … Hardware … --- ## [The posting guideline of Caver](https://devforum.kaia.io/t/the-posting-guideline-of-caver/3207)
**Author:** [@Kale](https://devforum.kaia.io/u/Kale)\ **댓글:** 0\ **마지막 업데이트:** [1월 12, 2022, 6:57오전 UTC](https://devforum.kaia.io/t/the-posting-guideline-of-caver/3207 "2022-01-12T06:57:27Z")
안녕하세요. 먼저 클레이튼에 관심 가져주셔서 감사드립니다. 최근 들어 포럼에 많은 문의 글들이 올라오고 있습니다. 더욱 정확한 답변과 원활한 의사소통을 위해서 포럼 질문 가이드라인을 제공합니다. 글을 작성하기 전에, 중복된 질문은 아닌지 먼저 검색해 보시기 바랍니다. 글을 작성하실 때는 아래의 내용으로 작성해 주시기 바랍니다. 제품 명 : caver-js || caver-java |…