v3.3.4-rc3 v1.7.16

Name: nimble
Author: bespokelabsai

medium risk

bespokelabsai/nimbleAug 15, 2026 → Aug 19, 20264 days between releases

What's New

Major version jump introduces Eino tool pairing fixes and new defense-in-depth middlewares

New Features

Added toolPairReconciler middleware for tool pairing reconciliation
Added orphanToolPruner middleware for defense-in-depth

Bug Fixes

Fixed critical bug where summarization broke tool_call/tool_result pairing

Upgrade Notes

The agentic path now includes toolPairReconciler and orphanToolPruner middlewares to prevent pairing errors. Ensure configuration aligns with the new middleware stack.

The Two Releases

v3.3.4-rc3

Aug 15, 2026· 2 months ago

This release candidate focuses on ACME related fixes and upgrades to lego v5 for better certificate infrastructure support.

Full release notes

v1.7.16

Aug 19, 2026· 2 months ago

Fixes a critical bug in Eino single-agent mode where summarizing long conversations broke tool_call/tool_result pairing, causing 400 errors.

Full release notes