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  SYNAPSE v2.4.0 Stable

  FTMahringer released this 2026-05-11 14:39:44 +02:00 | 126 commits to main since this release

  SYNAPSE v2.4.0 - Advanced Agent Capabilities

  Release date: 2026-05-11

  Overview

  v2.4.0 delivers the Advanced Agent Capabilities milestone by completing the full v2.3.x development chain: collaboration, planning/reasoning persistence, native Java tools, and centralized hardening guardrails.

  Included Development Cycle

  • v2.3.1-dev - roadmap/docs workflow alignment
  • v2.3.2-dev - runtime stability hotfix
  • v2.3.3-dev - agent memory foundation
  • v2.3.4-dev - collaboration framework
  • v2.3.5-dev - reasoning and planning
  • v2.3.6-dev - native Java tools integration
  • v2.3.7-dev - capability hardening
  • v2.3.8-hotfix - version metadata/runtime release alignment

  Highlights

  1. Agent Collaboration Framework

  • Team-scoped collaboration sessions
  • Typed inter-agent messages (DIRECTIVE, CONTEXT, STATUS, RESULT)
  • Task delegation tracking
  • Shared context entries with versioning

  2. Reasoning & Planning Persistence

  • Planning goals and lifecycle state
  • Versioned planning artifacts
  • Compact summaries + reasoning chain snapshots
  • Next-step retrieval for token-efficient execution

  3. Native Java Tools Runtime

  • Extensible NativeJavaTool contract
  • Registry/discovery endpoints
  • Timeout-bounded JVM execution
  • Tool-result caching with deterministic keys
  • Built-ins:
    • tool_registry_inspect
    • plugin_contract_validate

  4. Central Hardening and Governance Foundation

  • Shared policy engine for delegation/planning/tooling checks
  • Delegation loop and max-hop guardrails
  • Planning max-step and max-refinement guardrails
  • Token budget guardrails with concise-mode signaling near thresholds

  5. Release Quality Hotfix

  v2.3.8-hotfix corrected runtime metadata consistency by removing stale hardcoded compose defaults and aligning runtime version fallback behavior with the active build version.

  Operational Notes

  • Compose startup smoke test was executed with docker compose up -d --build before milestone release.
  • Health endpoint returned status=UP.
  • Flyway migrations validated and reached schema v15.

  Documentation

  Documentation updates for this milestone were published incrementally in synapse-docs dev releases through v2.1.6-dev, including:

  • REST API additions for collaboration/planning/tools/hardening
  • Agent concept updates for native tools and hardening behavior
  • Environment variable updates for tooling and hardening settings

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