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* add context window to models * test coverage * pre-commit * pr comments * tests * pre-commit --------- Co-authored-by: jmharold <jmharold@amazon.com>
![github-code-quality[bot]](https://avatars.githubusercontent.com/u/9919?s=60&v=4){kind=small}
| from typing import Any | ||
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| import boto3 | ||
| import create_env_variables # noqa: F401 |
estohlmann
approved these changes
Mar 13, 2026
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v6.4.0
Key Features
Project Organization for Chat Sessions
Customers can organize chat sessions into Projects, providing a structured way to manage and navigate conversation history. Projects allow users to group related sessions together, making it easier to find and revisit past conversations across different topics.
Chat Assistant Stacks
Chat Assistant Stacks allow administrators to define preconfigured assistants that bundle models, RAG repositories and collections, MCP servers and tools, and prompt templates into a single package. Users can browse available assistants and start chat sessions with everything preconfigured, eliminating the need for manual setup. Access to each stack is controlled through enterprise user groups, allowing administrators to tailor assistant availability to specific teams or roles.
Other Features
UI Updates
Other Key Changes
Bug Fixes
Documentation
Dependency Updates
actions/setup-nodeandactions/upload-artifactGitHub Actions to latest versionsAcknowledgements
Full Changelog: https://github.com/awslabs/LISA/compare/v6.3.0..v6.4.0