[release] Release Highlights: v0.3.3

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🌟 Release Highlights

This release focuses on reliability improvements for long-running agentic workflows, enhanced observability through better tracing and logging, and graceful error handling in the log analysis tooling.

✨ What's New

• Session stability for long-running workflows — Fixed "session not found" errors in routed mode that affected agentic workflows with extended lifetimes. Sessions are now reliably maintained across the full duration of complex multi-step operations. (#4849)

• Richer OpenTelemetry tracing — Spans now capture HTTP response status codes, error recording has been sanitized for clarity, and the OpenTelemetry semantic conventions have been updated to v1.27.0. This gives operators better signal in distributed tracing backends. (#4879)

• Cleaner logger lifecycle management — Manual logger close calls in postRun have been consolidated into a single CloseAllLoggers() call, reducing the risk of missed log flushes on shutdown. (#4881)

🐛 Bug Fixes & Improvements

• Log Analyzer auth error handling — The MCP Gateway Log Analyzer now handles authentication errors gracefully rather than crashing, improving reliability during token expiry or misconfigured credentials. (#4878)

• WASM guard policy validation debug logging — Debug logging added to guard/wasm_payload.go policy validation, making it easier to diagnose guard policy mismatches. (#4841)

• Rust guard scope constants — Bare string literals in the Rust guard replaced with named scope_names constants, reducing risk of typos and improving maintainability. (#4857)

📚 Documentation

• The Log-Level Quad-Function Pattern used in the logger package is now documented as a stable, intentional design, clarifying its purpose for contributors. (#4880)

🐳 Docker Image

The Docker image for this release is available at:

docker pull ghcr.io/github/gh-aw-mcpg:v0.3.3
# or
docker pull ghcr.io/github/gh-aw-mcpg:latest

Supported platforms: linux/amd64, linux/arm64

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For complete details, see the full release notes.

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