tw2/docs/changelog.md

CHANGELOG of v1.0.0

➡️ change; ✅ new feature; ❌ deprecate

The overall changes from v0.x.x to v1.0.0 are summarized below.

Overview

• ✅ Support asynchronous execution throughout the library
• ✅ Support tools API thoroughly

✨Session

• ✅ Support automatic state management
• ✅ Support session/application-level state management

✨Tracing

• ✅ Support OpenTelemetry-based tracing
• ✅ Support third-party tracing platforms, e.g. Arize-Phoenix, Langfuse, etc.

✨MCP

• ✅ Support both client- and function-level control over MCP by a new MCP module
• ✅ Support both "pay-as-you-go" and persistent session management
• ✅ Support streamable HTTP, SSE and StdIO transport protocols

✨Memory

• ✅ Support long-term memory by providing a LongTermMemoryBase class
• ✅ Provide a Mem0-based long-term memory implementation
• ✅ Support both static- and agent-controlled long-term memory modes

Formatter

• ✅ Support prompt construction/formatting with token count estimation
• ✅ Support tools API in multi-agent prompt formatting

Model

• ❌ Deprecate model configuration, use explicit object instantiation instead
• ✅ Provide a new ModelResponse class for structured model responses
• ✅ Support asynchronous model invocation
• ✅ Support reasoning models
• ✅ Support any combination of streaming/non-streaming, reasoning/non-reasoning and tools API

Agent

• ❌ Deprecate DialogAgent, DictDialogAgent and prompt-based ReAct agent class
• ➡️ Expose memory, formatter interfaces to the agent's constructor in ReActAgent
• ➡️ Unify the signature of pre- and post- agent hooks
• ✅ Support pre-/post-reasoning and pre-/post-acting hooks in ReActAgent class
• ✅ Support asynchronous agent execution
• ✅ Support interrupting agent's replying and customized interruption handling
• ✅ Support automatic state management
• ✅ Support parallel tool calls
• ✅ Support two-modes long-term memory in ReActAgent class

Tool

• ✅ Provide a more powerful Toolkit class for tools management
• ✅ Provide a new ToolResponse class for structured and multimodal tool responses
• ✅ Support group-wise tool management
• ✅ Support agent to manage tools by itself
• ✅ Support post-processing of tool responses
• Tool function
  • ✅ Support both async and sync functions
  • ✅ Support both streaming and non-streaming return

Evaluation

• ✅ Support ReAct agent-oriented evaluation
• ✅ Support Ray-based distributed and concurrent evaluation
• ✅ Support statistical analysis over evaluation results

AgentScope Studio

• ✅ Support runtime tracing
• ✅ Provide a built-in copilot agent named Friday

Logging

• ❌ Deprecate loguru and use Python native logging module instead

Distribution

• ❌ Deprecate distribution functionality momentarily, a new distribution module is coming soon

RAG

• ❌ Deprecate RAG functionality momentarily, a new RAG module is coming soon

Parsers

• ❌ Deprecate parsers module

WebBrowser

• ❌ Deprecate the WebBrowser class and shift to MCP-based web browsing