TeamCKB Dev Log (Updated: Nov 12, 2025)

CKBdev · October 29, 2025, 5:55am

Updates

Oct 29, 2025

ckb v0.203.0 released Release ckb 0.203.0 (88d1126 2025-10-22) · nervosnetwork/ckb · GitHub
- BREAKING: feat: impl from/into for gen-type #4910 introduces breaking changes to the Rust SDK. A migration tool is available: ckb-gen-type-migrate
- Added metrics for indexer’s tip metrics: add indexer_tip metrics #4982
- Fixed an indexer syncing bug Indexer: catch up with primary after rollback #4980
- Set Molecule size limit to 1.8MB fix: Consider headers of molecule objects when limiting size of BlockFilters message #4978
ckb-cli v1.16.0 released Release v1.16.0 · nervosnetwork/ckb-cli · GitHub
ckb-vm-contrib v0.203.0 released Release protobuf-ckb-syscalls-v0.203.0 · nervosnetwork/ckb-vm-contrib · GitHub

Preparing a preview version for ckb-tui
Migrating CKB from SledBackend to ckb-rocksdb Replace SledBackend by ckb-rocksdb #4956
Ongoing work on ckb-bootstrapper
Adding support for CFI extension in ckb-vm
Optimizing message compression for ckb perf: improve compress impl #4986, feat: change compress #4979
Continuing progress towards ckb v1.0

CKBdev · November 12, 2025, 9:16am

Nov 12, 2025

Published CKB 1.0.0 crates (ckb 0.204.0-rc1): crates.io: Rust Package Registry
Published CKB-VM CFI extension (initial Rust-based interpreter support): GitHub - mohanson-fork/ckb-vm at cfi

Toolchain
- Upgrade to Rust 1.91.0
  - Core: https://github.com/nervosnetwork/ckb/pull/4992, https://github.com/nervosnetwork/ckb/pull/4993,
  - Docker builder: toolchain: Upgrade rust toolchain from 1.85.0 to 1.91.0 ckb-docker-builder#34
Network & performance
- Compression optimization:
  - Disable Filter protocol compression: feat: disable compress on filter #4996
  - Optimized message compression: perf: improve compress impl #4986
Observability & tooling
- CKB-TUI: added new directly consumable metrics (System Info, Hash Rate, Committing Txs, Latest Incoming Txs)

Windows MSVC compatibility checkAdded MSVC version check on Windows to prevent startup exit on Win10 due to older MSVC:
- Discussion: ckb 0.203.0 (88d1126 2025-10-22) #4987
- Fix PR: windows: Hint windows user to install latest vc-redist if host vc-redist is lower than 14.44 #4997

Core & Tooling

Complete ckb-bootstrapper Rust 1.91.0 upgrade and HeaderMap replacement.
Enhance ckb-tui data interfaces, add caching, and continue collecting new metrics and requirements.
Finish CKB-VM CFI interpreter support and testing (port LLVM CFI tests; add unit tests).
Introduce terminal module for ckb-tui to expose runtime metrics: feat: add Terminal module for CKB-TUI data provision #4989

Networking

Investigate and fix issue: non-blocking transaction relay stops processing when buffer is full (newly discovered).
Continue investigating abnormal testnet uncle rate.
Prep for the next hardfork post-Meepo milestone (coordination ongoing).