Add 3.3.1 entry

Author: Prepaid Credit Cards Reloadable

NEWS.md

@@ -1,5 +1,50 @@
 # News
 
+## 3.3.1 - 2024-12-15
+
+### Improvements
+
+ * `CSV.open`: Changed to detect BOM by default. Note that this isn't
+ enabled on Windows because Ruby may have a bug. See also:
+ https://bugs.ruby-lang.org/issues/20526
+ * GH-301
+ * Reported by Junichi Ito
+
+ * Improved performance.
+ * GH-311
+ * GH-312
+ * Patch by Vladimir Kochnev
+
+ * `CSV.open`: Added support for `StringIO` as an input.
+ * GH-300
+ * GH-302
+ * Patch by Marcelo
+
+ * Added a built-in time converter. You can use it by `converters:
+ :time`.
+ * GH-313
+ * Patch by Bart de Water
+
+ * Added `CSV::TSV` for tab-separated values.
+ * GH-272
+ * GH-319
+ * Reported by kojix2
+ * Patch by Jas
+
+### Thanks
+
+ * Junichi Ito
+
+ * Vladimir Kochnev
+
+ * Marcelo
+
+ * Bart de Water
+
+ * kojix2
+
+ * Jas
+
 ## 3.3.0 - 2024-03-22
 
 ### Fixes