Lixu

Critical Gaps in Key Class Implementations (e.g., Order Generation, Trading Parameters)

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## 📖 Documentation ​**​Problem Summary​**​ The current documentation（ version of official documentation（v0.8.6.99）the actual qlib version（v0.9.7）） lacks crucial details for core classes like `WeightStrategyBase`, forcing users to read the source code...

fix: resolve backtest module crash due to Gym and NumPy 2.0+ incompat…

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## Description This PR upgrades the project from `gym` to `gymnasium` to resolve compatibility issues with NumPy 2.0+ and eliminate deprecation warnings. The upgrade maintains full API compatibility by using...

Critical Bug: Backtest Module Crash Due to Gym Dependency and NumPy 2.0+ Incompatibility​

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## 🐛 Bug Description When using the backtestmodule, the application crashes abruptly due to two interconnected issues 1. ​​Internal gym dependency​​: The backtest module implicitly relies on the gymlibrary, which...