Add release note

ericpre · ericpre · commit d69a520dd747 · 2023-07-29T10:54:16.000+01:00
diff --git a/doc/users/next_whats_new/add_Quiver_setters.rst b/doc/users/next_whats_new/add_Quiver_setters.rst
@@ -0,0 +1,22 @@
+Add ``U``, ``V`` and ``C`` setter to ``Quiver``
+-----------------------------------------------
+
+The ``U``, ``V`` and ``C`` values of the `~matplotlib.quiver.Quiver`
+can now be changed after the collection have been created.
+
+.. plot::
+    :include-source: true
+
+    fig, ax = plt.subplots()
+    X = np.arange(-10, 10, 1)
+    Y = np.arange(-10, 10, 1)
+    U, V = np.meshgrid(X, Y)
+    M = np.hypot(U, V)
+    qc = mquiver.Quiver(
+        ax, X, Y, U, V, M
+        )
+
+    qc.set_U(U/5)
+
+    ax.add_collection(qc)
+    ax.autoscale_view()
