Update cudf.pandas FAQ. (#14940)

This PR updates the cudf.pandas docs to reflect cudf using pandas 2. Authors: - Bradley Dice (https://github.com/bdice) Approvers: - Ashwin Srinath (https://github.com/shwina) URL: #14940
rapidsai · Feb 1, 2024 · bbfe1c3 · bbfe1c3
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diff --git a/docs/cudf/source/cudf_pandas/benchmarks.md b/docs/cudf/source/cudf_pandas/benchmarks.md
@@ -46,7 +46,7 @@ source pandas/py-pandas/bin/activate
 pip install --extra-index-url=https://pypi.nvidia.com cudf-cu12  # or cudf-cu11
 ```
 
-5. Modify pandas join/group code to use `cudf.pandas` and be compatible with pandas 1.5 APIs:
+5. Modify pandas join/group code to use `cudf.pandas` and remove the `dtype_backend` keyword argument (not supported):
 
 ```bash
 diff --git a/pandas/groupby-pandas.py b/pandas/groupby-pandas.py

diff --git a/docs/cudf/source/cudf_pandas/faq.md b/docs/cudf/source/cudf_pandas/faq.md
@@ -136,7 +136,8 @@ There are a few known limitations that you should be aware of:
    print(lst) # lst is unchanged, as this specific UDF could not run on the GPU
    [10]
    ```
-- `cudf.pandas` (and cuDF in general) is currently only compatible with pandas 1.5.x.
+- `cudf.pandas` (and cuDF in general) is only compatible with pandas 2. Version
+  24.02 of cudf was the last to support pandas 1.5.x.
 
 ## Can I force running on the CPU?