Summary
TradingAgents v0.2.3 adds multi-language output, GPT-5.4 family models, and improved backtesting fidelity.
Multi-Language Support
- Output language selection in CLI (Step 3) with 11 languages and custom input
- Analyst reports and final decision rendered in the selected language
- Internal agent debate remains in English for reasoning quality
Model Coverage
- GPT-5.4 Mini and GPT-5.4 Nano support
- Unified model catalog as single source of truth for CLI and validation
- Model validation warnings for unrecognized model names
Backtesting Fidelity
- Date-aware data fetching across all OHLCV, fundamentals, and news endpoints
- Shared caching per symbol for efficient batch backtesting
Provider Integration
- Unified
api_keyparameter across all providers (Google, Anthropic, OpenAI) - Proxy and custom base URL support for Google and Anthropic clients
- Graceful handling of invalid indicator names in tool calls
Stability
- Rate limit retry coverage for yfinance news endpoints
- CLI step reordering for improved user flow