docs: add items about this PR

NEWS.md

@@ -127,6 +127,12 @@
     - In `pl$date_range()`, the argument `end` must be specified and the default
       value of `interval` is changed to `"1d"`. The arguments `start` and `end`
       no longer accept numeric values (#950).
+    - In `pl$scan_parquet()`, the default value of the argument `rechunk` is
+      changed from `TRUE` to `FALSE` (#1033).
+    - In `pl$scan_parquet()` and `pl$read_parquet()`, the argument `parallel`
+      only accepts `"auto"`, `"columns"`, `"row_groups"`, and `"none"` (#1033).
+      Previously, it also accepted upper-case notation of `"auto"`, `"columns"`,
+      `"none"`, and, accepted `"RowGroups"` instead of `"row_groups"`.
 
 
 - The usage of `pl$date_range()` to create a range of `Datetime` data type is
@@ -158,6 +164,7 @@
   - `pl$int_range()` and `pl$int_ranges()` (#968)
   - `pl$mean_horizontal()` (#959)
   - `is_polars_dtype()` (#927).
+  - `pl$read_ipc()` (#1033).
 
 - New methods: