CKB Dev Log 2025-06-25

[chenyukang]

Releases & Features

• CKB v0.202.0 released 🚀

  This release introduces a hole punching protocol to improve NAT traversal issues. With this, more nodes become publicly accessible, significantly improving network availability.
  For more details, see #4873

  More from release note

• CKB light client 0.5.0 released

  Integrated MinFeeVerifier and DaoScriptSizeVerifier: feat: Integrate MinFeeVerifier and DaoScriptSizeVerifier into light-client ckb-light-client#216

  More from release note

• Tentacle 0.7.1 released

• proxy and onion support for ckb-network — in testing
  Ongoing work adding proxy and onion support to ckb-network, enhancing privacy and accessibility: Add proxy and onion support for ckb-network #4733

Improvements

• ckb-vm-test-suite

  Added testing support for suspend2/ resume2 to run full contracts : Project structure adjustment ckb-vm-contrib#13

• ckb-standalone-debugger
  Now supports coverage testing: Support coverage test ckb-standalone-debugger#179

Fixes

• Tentacle bugs:
  • Fixed the issue where Yamux keep-alive lost waker and did not work when there was no message
    • fix: fix keep alive should work on no communication scenario tentacle#412
  • fix: listen drop with upgrade mode tentacle#413
• CKB core: Fix the build of ckb-rocksdb using GCC 15. #4906
• CKB light client: Publish npm packages when releasing new versions ckb-light-client#225

In Pipeline…

• Enhanced ckb-gen-type migration tool particularly for Meepo upgrade: feat: impl from/into for gen-type #4910
• Add error handling for add_node and remove_node: NetRpcImpl fix error handling for add_node and remove_node #4895
• Updating the default init_tip_hash: Change Default init_tip_hash to Genesis Block for mainnet/network and Add Log Warning #4896
• Working on a CKB-Script Simple Runner to simplify ckb-script usage
• Two additional outbound block-relay-only connections ready for acceptance:
  feat: Add 2 outbound block-relay-only connections #4888