Merge branch 'master' into wake_vision

Author: Ekhao

docs/_book.yaml

@@ -47,7 +47,7 @@ upper_tabs:
       - title: Store your dataset on GCS
         path: /datasets/gcs
       - title: TFDS for Jax and PyTorch
-        path: /datasets/tfless_tfds
+        path: /datasets/data_source
 
       - heading: "Add a dataset"
       - title: Create your dataset

docs/catalog/qm9.md

@@ -34,18 +34,19 @@ expected to make their own validation/test splits.
 
     *   **`1.0.0`** (default): Initial release.
 
-*   **Download size**: `Unknown size`
+*   **Download size**: `82.62 MiB`
 
-*   **Dataset size**: `Unknown size`
+*   **Dataset size**: `177.16 MiB`
 
 *   **Auto-cached**
     ([documentation](https://www.tensorflow.org/datasets/performances#auto-caching)):
-    Unknown
+    Only when `shuffle_files=False` (train)
 
 *   **Splits**:
 
-Split | Examples
-:---- | -------:
+Split     | Examples
+:-------- | -------:
+`'train'` | 130,831
 
 *   **Feature structure**: