I am getting IntelliSense errors. They are from (it looks like to me) not finding where the standard library header files are located.

The std lib h files are located at "C:\Users\Joe\AppData\Local\arduino15\packages\STM32\tools\arm-none-eabi-gcc\8.2.1-1.7\arm-none-eabi\include"  I just don't know where to add the path to the project in VS.

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It might never be perfect until microsoft release the next phase of support for a new intellisense system. However there are quite a few of those errors we could resolve.

You can't add paths youself but you can request paths be added for new tool chains or tool chain versions (when they change). We can also add #defines only for intellisense to force a better exterpience.

If you know what path(s) you wanted to add then please say otherwise please follow the instructions in the yellow box above.

Thanks