Add entry in what's new.

Jasper Zschiegner · Jasper Zschiegner · commit 18cf8340ebb7 · 2022-07-06T14:35:11.000+02:00
diff --git a/doc/source/whatsnew/v1.5.0.rst b/doc/source/whatsnew/v1.5.0.rst
@@ -959,6 +959,7 @@ Period
 - Bug in adding ``np.timedelta64("NaT", "ns")`` to a :class:`Period` with a timedelta-like freq incorrectly raising ``IncompatibleFrequency`` instead of returning ``NaT`` (:issue:`47196`)
 - Bug in adding an array of integers to an array with :class:`PeriodDtype` giving incorrect results when ``dtype.freq.n > 1`` (:issue:`47209`)
 - Bug in subtracting a :class:`Period` from an array with :class:`PeriodDtype` returning incorrect results instead of raising ``OverflowError`` when the operation overflows (:issue:`47538`)
+- Bug in :func:`period_range` ignoring frequency multiple when deriving `freq` from `start` or `end` field (:issue:`47465`)
 -
 
 Plotting

Original file line number	Diff line number	Diff line change
`@@ -959,6 +959,7 @@ Period`
`959`	`959`	- Bug in adding ``np.timedelta64("NaT", "ns")`` to a :class:`Period` with a timedelta-like freq incorrectly raising ``IncompatibleFrequency`` instead of returning ``NaT`` (:issue:`47196`)
`960`	`960`	- Bug in adding an array of integers to an array with :class:`PeriodDtype` giving incorrect results when ``dtype.freq.n > 1`` (:issue:`47209`)
`961`	`961`	- Bug in subtracting a :class:`Period` from an array with :class:`PeriodDtype` returning incorrect results instead of raising ``OverflowError`` when the operation overflows (:issue:`47538`)
	`962`	+- Bug in :func:`period_range` ignoring frequency multiple when deriving `freq` from `start` or `end` field (:issue:`47465`)
`962`	`963`	`-`
`963`	`964`
`964`	`965`	`Plotting`