diff --git a/doc/classes/EditorSpinSlider.xml b/doc/classes/EditorSpinSlider.xml
index 83c65b736e7..6cd375a46de 100644
--- a/doc/classes/EditorSpinSlider.xml
+++ b/doc/classes/EditorSpinSlider.xml
@@ -40,6 +40,11 @@
 				Emitted when the spinner/slider is ungrabbed.
 			</description>
 		</signal>
+		<signal name="updown_pressed">
+			<description>
+				Emitted when the updown button is pressed.
+			</description>
+		</signal>
 		<signal name="value_focus_entered">
 			<description>
 				Emitted when the value form gains focus.
diff --git a/editor/animation_track_editor.cpp b/editor/animation_track_editor.cpp
index 6294baf2947..a26731962de 100644
--- a/editor/animation_track_editor.cpp
+++ b/editor/animation_track_editor.cpp
@@ -7983,6 +7983,11 @@ AnimationTrackEditor::~AnimationTrackEditor() {
 
 // AnimationTrackKeyEditEditorPlugin.
 
+void AnimationTrackKeyEditEditor::_time_edit_spun() {
+	_time_edit_entered();
+	_time_edit_exited();
+}
+
 void AnimationTrackKeyEditEditor::_time_edit_entered() {
 	int key = animation->track_find_key(track, key_ofs, Animation::FIND_MODE_APPROX);
 	if (key == -1) {
@@ -8010,7 +8015,7 @@ void AnimationTrackKeyEditEditor::_time_edit_exited() {
 
 	int existing = animation->track_find_key(track, new_time, Animation::FIND_MODE_APPROX);
 	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
-	undo_redo->create_action(TTR("Animation Change Keyframe Time"), UndoRedo::MERGE_ENDS);
+	undo_redo->create_action(TTR("Animation Change Keyframe Time"));
 
 	if (existing != -1) {
 		undo_redo->add_do_method(animation.ptr(), "track_remove_key_at_time", track, animation->track_get_key_time(track, existing));
@@ -8057,6 +8062,7 @@ AnimationTrackKeyEditEditor::AnimationTrackKeyEditEditor(Ref<Animation> p_animat
 	spinner->set_min(0);
 	spinner->set_allow_greater(true);
 	spinner->set_allow_lesser(true);
+	add_child(spinner);
 
 	if (use_fps) {
 		spinner->set_step(FPS_DECIMAL);
@@ -8065,14 +8071,13 @@ AnimationTrackKeyEditEditor::AnimationTrackKeyEditEditor(Ref<Animation> p_animat
 			fps = 1.0 / fps;
 		}
 		spinner->set_value(key_ofs * fps);
+		spinner->connect("updown_pressed", callable_mp(this, &AnimationTrackKeyEditEditor::_time_edit_spun), CONNECT_DEFERRED);
 	} else {
 		spinner->set_step(SECOND_DECIMAL);
 		spinner->set_value(key_ofs);
 		spinner->set_max(animation->get_length());
 	}
 
-	add_child(spinner);
-
 	spinner->connect("grabbed", callable_mp(this, &AnimationTrackKeyEditEditor::_time_edit_entered), CONNECT_DEFERRED);
 	spinner->connect("ungrabbed", callable_mp(this, &AnimationTrackKeyEditEditor::_time_edit_exited), CONNECT_DEFERRED);
 	spinner->connect("value_focus_entered", callable_mp(this, &AnimationTrackKeyEditEditor::_time_edit_entered), CONNECT_DEFERRED);
@@ -9180,9 +9185,6 @@ void AnimationMultiMarkerKeyEdit::_get_property_list(List<PropertyInfo> *p_list)
 
 // AnimationMarkerKeyEditEditorPlugin
 
-void AnimationMarkerKeyEditEditor::_time_edit_entered() {
-}
-
 void AnimationMarkerKeyEditEditor::_time_edit_exited() {
 	real_t new_time = spinner->get_value();
 
@@ -9201,7 +9203,7 @@ void AnimationMarkerKeyEditEditor::_time_edit_exited() {
 	}
 
 	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
-	undo_redo->create_action(TTR("Animation Change Marker Time"), UndoRedo::MERGE_ENDS);
+	undo_redo->create_action(TTR("Animation Change Marker Time"));
 
 	Color color = animation->get_marker_color(marker_name);
 	undo_redo->add_do_method(animation.ptr(), "add_marker", marker_name, new_time);
@@ -9242,6 +9244,7 @@ AnimationMarkerKeyEditEditor::AnimationMarkerKeyEditEditor(Ref<Animation> p_anim
 	spinner->set_min(0);
 	spinner->set_allow_greater(true);
 	spinner->set_allow_lesser(true);
+	add_child(spinner);
 
 	float time = animation->get_marker_time(marker_name);
 
@@ -9252,17 +9255,14 @@ AnimationMarkerKeyEditEditor::AnimationMarkerKeyEditEditor(Ref<Animation> p_anim
 			fps = 1.0 / fps;
 		}
 		spinner->set_value(time * fps);
+		spinner->connect("updown_pressed", callable_mp(this, &AnimationMarkerKeyEditEditor::_time_edit_exited), CONNECT_DEFERRED);
 	} else {
 		spinner->set_step(SECOND_DECIMAL);
 		spinner->set_value(time);
 		spinner->set_max(animation->get_length());
 	}
 
-	add_child(spinner);
-
-	spinner->connect("grabbed", callable_mp(this, &AnimationMarkerKeyEditEditor::_time_edit_entered), CONNECT_DEFERRED);
 	spinner->connect("ungrabbed", callable_mp(this, &AnimationMarkerKeyEditEditor::_time_edit_exited), CONNECT_DEFERRED);
-	spinner->connect("value_focus_entered", callable_mp(this, &AnimationMarkerKeyEditEditor::_time_edit_entered), CONNECT_DEFERRED);
 	spinner->connect("value_focus_exited", callable_mp(this, &AnimationMarkerKeyEditEditor::_time_edit_exited), CONNECT_DEFERRED);
 }
 
diff --git a/editor/animation_track_editor.h b/editor/animation_track_editor.h
index e7271f1941a..f17386b0c90 100644
--- a/editor/animation_track_editor.h
+++ b/editor/animation_track_editor.h
@@ -977,6 +977,7 @@ class AnimationTrackKeyEditEditor : public EditorProperty {
 		Variant value;
 	} key_data_cache;
 
+	void _time_edit_spun();
 	void _time_edit_entered();
 	void _time_edit_exited();
 
@@ -996,7 +997,6 @@ class AnimationMarkerKeyEditEditor : public EditorProperty {
 
 	EditorSpinSlider *spinner = nullptr;
 
-	void _time_edit_entered();
 	void _time_edit_exited();
 
 public:
diff --git a/editor/gui/editor_spin_slider.cpp b/editor/gui/editor_spin_slider.cpp
index 712e91facaf..aa9e9f841d3 100644
--- a/editor/gui/editor_spin_slider.cpp
+++ b/editor/gui/editor_spin_slider.cpp
@@ -67,6 +67,7 @@ void EditorSpinSlider::gui_input(const Ref<InputEvent> &p_event) {
 					} else {
 						set_value(get_value() - get_step());
 					}
+					emit_signal("updown_pressed");
 					return;
 				}
 				_grab_start();
@@ -696,6 +697,7 @@ void EditorSpinSlider::_bind_methods() {
 
 	ADD_SIGNAL(MethodInfo("grabbed"));
 	ADD_SIGNAL(MethodInfo("ungrabbed"));
+	ADD_SIGNAL(MethodInfo("updown_pressed"));
 	ADD_SIGNAL(MethodInfo("value_focus_entered"));
 	ADD_SIGNAL(MethodInfo("value_focus_exited"));