CKB Dev Log 2025-09-17

[Officeyutong]

Updates

Features & Releases

• Released ckb-sdk-rust v4.3.0 & 4.4.0:
  • https://github.com/nervosnetwork/ckb-sdk-rust/releases/tag/v4.4.0
  • https://github.com/nervosnetwork/ckb-sdk-rust/releases/tag/v4.3.0
• Released ckb-light-client v0.5.3 : https://github.com/nervosnetwork/ckb-light-client/releases/tag/v0.5.3
• JavaScript HTLC Script demo with new offckb toolchain: https://github.com/RetricSu/simple-htlc
• New CKB reproducible build workflow:
  • (BINARY set 1: make, gcc, cmake, etc. from OS) → crosstool-ng → gcc with older glibc 2.27 → llvm / clang → (BINARY set 2: prebuilt Rust compiler) → bootstrap rustc → rustc → CKB

Improvements

• Improved release process of ckb-vm-contrib with trusted publishing: Use crates.io's trusted publish ckb-vm-contrib#28
• Parameters setting available for root VM: feat(script): allows modification of the root VM's parameters #4949
• CKB terminal UI veiws now available: http://github.com/officeyutong/ckb-tui
• Reduced log output of ckb-rich-indexer by setting log level to warn: chore: change secondary db options #4952

Fixes

• Fixed rich-indexer stuck in testnet: rich-indexer: keep rocksdb SecondaryDB sync before read #4946
• Multiple bug fixes of light client:
  • Fix stack overflow on windows CI ckb-light-client#244
  • fix group by transaction ckb-light-client#240

In Pipeline…

• HeaderMap Optimization
  Simplify implementation by removing the KeyValueBackend trait with only one implementation.
• Rich-Indexer Logic Cleanup
  So that rich-indexer won’t insert uncle-block into block and block_association_uncle table
• CKB crates 1.0 in progress: feat: Stabilize core crates at 1.0 and decouple from CKB binary versioning #4940
• Reproducible Build Enhancements
  Experimenting with NixOS as an alternative for crosstool-ng in reproducible builds.
• Creating more documents and example for ckb-vm-contrib
• Experimenting with running light client unit tests on WASM: Support unit tests on wasm ckb-light-client#242