- RC Date: 2026-04-29 - Release Date: 2026-05-06 - Assume Valid Target: (Can be found in the file util/constant/src/latest_assume_valid_target.rs) - Mainnet: [0x89670f609956f08e46bba05b1cd13675578cf2397e5d7eb22f6689f5000996c8](https://explorer.nervos.org/block/0x89670f609956f08e46bba05b1cd13675578cf2397e5d7eb22f6689f5000996c8) - Testnet: [0xff760ab51618978772f005240db3a1db275cb0365421fc2bc77e342b5f310b3a](https://testnet.explorer.nervos.org/block/0xff760ab51618978772f005240db3a1db275cb0365421fc2bc77e342b5f310b3a) ## Changes since v0.205.0 [Compare changes](https://github.com/nervosnetwork/ckb/compare/v0.205.0...rc/v0.206.x) ### Added - add guide for running dev chain from existing data (#5125) (by @eval-exec) ### Changed - bump rustls-webpki to 0.103.13 (#5186) (by @eval-exec) - update testnet bootnodes (#5176) (by @jiangxianliang007) - *(release)* reset version before changelog generation in bump.sh (#5131) (by @doitian) - update platform-support.md to reflect latest CI and build settings (#5142) (by @Copilot) - upgrade deps (#5132) (by @driftluo) ### Fixed - preserve leading zero bytes and handle all-0xFF overflow in rich-indexer prefix search upper bound (#5166) (by @Copilot) - *(deps)* fix`make security-audit`: update keccak to 0.1.6 (#5158) (by @eval-exec) ### Security - bump rustls-webpki to 0.103.12 (#5182) (by @eval-exec) - *(deps)* bump thin-vec from 0.2.14 to 0.2.16 (#5170) (by @dependabot[bot]) - *(deps)* bump rustls-webpki from 0.103.7 to 0.103.10 (#5154) (by @dependabot[bot]) ### Contributors - @eval-exec - @jiangxianliang007 - @doitian - @driftluo
Changes since v0.205.0
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make security-audit: update keccak to 0.1.6 (chore(deps): fixmake security-audit: update keccak to 0.1.6 #5158) (by @eval-exec)Security
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