v2.0.0

TimoBolkart/FLAME-Universev2.0.0Jul 16, 2026by github-actions[bot]

AI Summary

A major version update migrating the agent runtime from Claude Agent SDK to the pi harness. This update introduces significant changes to supported providers and configuration options.

Key Highlights

Migrated agent runtime from Claude Agent SDK to pi harness
Google Vertex AI provider is no longer supported
Removed specific environment variables and config keys related to Vertex AI
Vertex AI users must switch to Anthropic, AWS Bedrock, or a custom Anthropic-compatible base URL

Breaking Changes

Google Vertex AI provider is no longer supported
Environment variables removed: CLAUDE_CODE_USE_VERTEX, ANTHROPIC_VERTEX_PROJECT, CLOUD_ML_REGION, GOOGLE_APPLICATION_CREDENTIALS, CLAUDE_CODE_MAX_OUTPUT_TOKENS
Config.toml keys removed: use_vertex, vertex_project, cloud_ml_region, max_output_tokens

New Features

Migrated agent runtime from Claude Agent SDK to pi harness

Full Release Notes

# [2.0.0](https://github.com/KeygraphHQ/shannon/compare/v1.9.0...v2.0.0) (2026-07-16)


### Features

* **worker:** migrate agent runtime from Claude Agent SDK to pi harness ([#389](https://github.com/KeygraphHQ/shannon/issues/389)) ([5ff40f8](https://github.com/KeygraphHQ/shannon/commit/5ff40f8c6f694a5b50753b5e46ba061f88d0c6d6)), closes [#356](https://github.com/KeygraphHQ/shannon/issues/356) [#377](https://github.com/KeygraphHQ/shannon/issues/377) [#383](https://github.com/KeygraphHQ/shannon/issues/383) [#388](https://github.com/KeygraphHQ/shannon/issues/388)


### BREAKING CHANGES

* **worker:** Google Vertex AI is no longer a supported provider. The
CLAUDE_CODE_USE_VERTEX, ANTHROPIC_VERTEX_PROJECT, CLOUD_ML_REGION, and
GOOGLE_APPLICATION_CREDENTIALS environment variables, along with the
use_vertex, vertex_project, and cloud_ml_region config.toml keys, are
removed. Vertex users must switch to Anthropic, AWS Bedrock, or a custom
Anthropic-compatible base URL.

The CLAUDE_CODE_MAX_OUTPUT_TOKENS environment variable and the
max_output_tokens config.toml key are also removed.