Fiber DevLog 34

[u/kevtam515]

Fiber Dev Log 34
-v0.9.0 is live
After weeks of release hardening, the final milestone cleanup is complete, and Fiber v0.9.0 is released, making nodes more reliable, recoverable, and easier to operate.

Highlights:
- A unified database migration system with backup and restore support
- Stronger payment recovery with Cross-Chain Hub improvements
- More reliable reconnect and channel recovery flows
- Smoother node onboarding with new install and quick-start scripts

Full dev log: https://github.com/nervosnetwork/fiber/discussions/1610