Add release note

ericpre · ericpre · commit 704ae8723472 · 2023-07-29T12:20:28.000+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 +1,24 @@
+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
+
+    import matplotlib.pyplot as plt
+    from matplotlib.quiver import Quiver
+    import numpy as np
+
+    fig, ax = plt.subplots()
+    X = np.arange(-10, 10, 1)
+    Y = np.arange(-10, 10, 1)
+    U, V = np.meshgrid(X, Y)
+    C = np.hypot(U, V)
+    qc = Quiver(ax, X, Y, U, V, C)
+
+    qc.set_U(U/5)
+
+    ax.add_collection(qc)
+    ax.autoscale_view()
