This sprint's dev updates:

- Released ckb v0.203.0 — Rust SDK had some breaking changes; migration tool is ready 🔧 https://github.com/nervosnetwork/ckb/releases/tag/v0.203.0

Alongside it:

- ckb-cli v1.16.0

- ckb-vm-contrib v0.203.0

Full log: https://github.com/nervosnetwork/ckb/discussions/4988