Memory Sidecar v3.5.1 Hardens Fault Isolation and Retry Logic for Multi-Agent Systems

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Memory Sidecar v3.5.1 is a stability-focused update for the agent-agnostic memory layer used in multi-agent production deployments. The release addresses two key pain points: ungraceful session shutdowns that left orphaned memory handles, and uncontrolled retry storms during storage outages. Session locks are now tied to ephemeral tokens with heartbeat-based stale detection, ensuring a final checkpoint is written before any session closes. Retry logic has been updated to use capped exponential backoff with per-session jitter, smoothing load on storage backends during recovery. The update is available via pip upgrade with no database migrations required, though users on v3.4.x should note that the timeout_ms config field is deprecated in favor of a new two-parameter heartbeat model.

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ProgrammingDEV Community ·

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