Update package compatibility
# Package compatibility
+Note that IronPython does not currently support packages which are C extension modules.
+
+## numpy
+
+:warning: Not supported - C extension module.
+
+## pandas
+
+:warning: Not supported - requires `numpy`.
+
## pytest (4.6.11)
To install:
```
-ipy -m pip install pytest==4.6.11
+ipy -m pip install pytest==4.6.11 typing==3.10.0.0
```
The package fails with (probably the same issue as https://github.com/IronLanguages/ironpython3/issues/1212):
