From cbc9d5e6b99f2431fa4d33487e26469619a25462 Mon Sep 17 00:00:00 2001
From: Luciano Bello <bel@zurich.ibm.com>
Date: Tue, 24 Dec 2024 15:36:50 +0100
Subject: [PATCH] raise DeprecationWarning for a targetless timeline drawer

---
 qiskit/visualization/timeline/interface.py              | 2 +-
 releasenotes/notes/followup_13247-9511e4e8d3d88a42.yaml | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 releasenotes/notes/followup_13247-9511e4e8d3d88a42.yaml

diff --git a/qiskit/visualization/timeline/interface.py b/qiskit/visualization/timeline/interface.py
index 686e0fe1d810..cf9892e26fe6 100644
--- a/qiskit/visualization/timeline/interface.py
+++ b/qiskit/visualization/timeline/interface.py
@@ -369,7 +369,7 @@ def draw(
         warnings.warn(
             "Target is not specified. In Qiskit 2.0.0 this will be required to get the duration of "
             "instructions.",
-            PendingDeprecationWarning,
+            DeprecationWarning,
             stacklevel=2,
         )
 
diff --git a/releasenotes/notes/followup_13247-9511e4e8d3d88a42.yaml b/releasenotes/notes/followup_13247-9511e4e8d3d88a42.yaml
new file mode 100644
index 000000000000..402ca004f44c
--- /dev/null
+++ b/releasenotes/notes/followup_13247-9511e4e8d3d88a42.yaml
@@ -0,0 +1,5 @@
+---
+deprecations_visualization:
+  - |
+    The timeline drawer :func:`~qiskit.visualization.timeline.interface.draw` now needs a ``target``
+    to get the duration of instructions. From Qiskit 2.0 on, ``target`` will be required and fail if not specified.