Actually, ST’s notation is underevaluated.
Indeed, ST is proposing all of its SDKs either through their STM32CubeMX tool or directly through simple zip files or even GitHub directly !
You can check:
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on st web site: www.st.com/stm32cubemcupackage
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on GitHub: https://github.com/STMicroelectronics/STM32Cube_MCU_Overall_Offer
That’s an impressive effort !