fix(nat): 8 NAT traversal fixes proven by Mac upload to NAT testnet#55

Closed

grumbach wants to merge 14 commits intosaorsa-labs:rc-2026.4.1from

grumbach:round4-combined

Commits on Apr 8, 2026

fix: raise send_ack_timeout from 500ms to 5s for cross-region connections
grumbach
committed
fix(nat): accept loop keeps newer connection on dedup instead of closing it
grumbach
committed
fix(reachability): replace has_public_ip with scope-aware peer-verified direct reachability
grumbach
committed
fix: address review feedback — double-count bug, relay capability, rustdoc
grumbach
committed
fix(relay): rotate through all relay candidates instead of failing on first
grumbach
committed
fix(relay): return socket on session reuse instead of None
grumbach
committed
fix(relay): schedule periodic cleanup of expired relay sessions
grumbach
committed
fix(nat): quality-aware coordinator selection with RTT weighting and load balancing
grumbach
committed
fix(nat): defer old connection close on dedup to avoid disrupting in-flight DHT queries

jacderida
and
claude
committed
fix(nat): normalize IPv4-mapped IPv6 addresses in hole-punch DashMap lookups

jacderida
and
claude
committed