Fiber Dev Log 2025-09-05

[eval-exec]

Updates

Release & Features

• Released v0.6.0-rc4: https://github.com/nervosnetwork/fiber/releases/tag/v0.6.0-rc4
• Implemented Atomic Multi-Path Payment (Atomic MPP): Atomic mpp #827

Improvements & Fixes

Payments & channels

• Ensured MPP retries and succeeds when intermediate hops are disabled:
  • MPP will retry and succeed for middle hop disabled #853
• Fixed pathfinding errors when making self-payments with multiple direct channels:
  • Fix path finding bug for pay self with multiple direct channels #855
• Fixed missing payment failure history logging when expiry time was too short or too long:
  • Expiry too soon/far not record payment fail history #869
• Fixed issue where transaction processor unexpectedly exited due to message errors while relaying CKB transactions:
  • fix: in-flight ckb tx actor should not quit #850
• Fixed channels getting stuck in the AWAITING_CHANNEL_READY state:
  • fix: resume channel stuck in awaiting channel ready #866

Other fixes

• Fixed TLC expiry check logic by considering pending TLCs, ensuring accurate expiration handling:
  • fix: check tlc expiry should considering pending_tlc_count #862
• Fixed instability issues in historical fuzz testing:
  • Fix unstable history fuzz test #845

Performance enhancements

• Optimized deserialization of PaymentHopData, improving performance:
  • perf: try to resolve PaymentHopData deser performance issue #838

In Pipeline

• Fiber v0.6
• Multi-hops cross-chain payment
• Support for disabled intermediate hops: Add a random offset for tlc_expiry_delta #775