Make Vector<T>::duplicate() const

core/templates/vector.h

@@ -130,7 +130,7 @@ class Vector {
 		return search.bisect(ptrw(), size(), p_value, p_before);
 	}
 
-	Vector<T> duplicate() {
+	Vector<T> duplicate() const {
 		return *this;
 	}
 

doc/classes/PackedByteArray.xml

@@ -189,7 +189,7 @@
 				[b]Note:[/b] Decompression is not guaranteed to work with data not compressed by Godot, for example if data compressed with the deflate compression mode lacks a checksum or header.
 			</description>
 		</method>
-		<method name="duplicate">
+		<method name="duplicate" qualifiers="const">
 			<return type="PackedByteArray" />
 			<description>
 				Creates a copy of the array, and returns it.

doc/classes/PackedColorArray.xml

@@ -73,7 +73,7 @@
 				Returns the number of times an element is in the array.
 			</description>
 		</method>
-		<method name="duplicate">
+		<method name="duplicate" qualifiers="const">
 			<return type="PackedColorArray" />
 			<description>
 				Creates a copy of the array, and returns it.

doc/classes/PackedFloat32Array.xml

@@ -71,7 +71,7 @@
 				[b]Note:[/b] [constant @GDScript.NAN] doesn't behave the same as other numbers. Therefore, the results from this method may not be accurate if NaNs are included.
 			</description>
 		</method>
-		<method name="duplicate">
+		<method name="duplicate" qualifiers="const">
 			<return type="PackedFloat32Array" />
 			<description>
 				Creates a copy of the array, and returns it.

doc/classes/PackedFloat64Array.xml

@@ -72,7 +72,7 @@
 				[b]Note:[/b] [constant @GDScript.NAN] doesn't behave the same as other numbers. Therefore, the results from this method may not be accurate if NaNs are included.
 			</description>
 		</method>
-		<method name="duplicate">
+		<method name="duplicate" qualifiers="const">
 			<return type="PackedFloat64Array" />
 			<description>
 				Creates a copy of the array, and returns it.

doc/classes/PackedInt32Array.xml

@@ -69,7 +69,7 @@
 				Returns the number of times an element is in the array.
 			</description>
 		</method>
-		<method name="duplicate">
+		<method name="duplicate" qualifiers="const">
 			<return type="PackedInt32Array" />
 			<description>
 				Creates a copy of the array, and returns it.

doc/classes/PackedInt64Array.xml

@@ -70,7 +70,7 @@
 				Returns the number of times an element is in the array.
 			</description>
 		</method>
-		<method name="duplicate">
+		<method name="duplicate" qualifiers="const">
 			<return type="PackedInt64Array" />
 			<description>
 				Creates a copy of the array, and returns it.

doc/classes/PackedStringArray.xml

@@ -76,7 +76,7 @@
 				Returns the number of times an element is in the array.
 			</description>
 		</method>
-		<method name="duplicate">
+		<method name="duplicate" qualifiers="const">
 			<return type="PackedStringArray" />
 			<description>
 				Creates a copy of the array, and returns it.

doc/classes/PackedVector2Array.xml

@@ -76,7 +76,7 @@
 				[b]Note:[/b] Vectors with [constant @GDScript.NAN] elements don't behave the same as other vectors. Therefore, the results from this method may not be accurate if NaNs are included.
 			</description>
 		</method>
-		<method name="duplicate">
+		<method name="duplicate" qualifiers="const">
 			<return type="PackedVector2Array" />
 			<description>
 				Creates a copy of the array, and returns it.

doc/classes/PackedVector3Array.xml

@@ -75,7 +75,7 @@
 				[b]Note:[/b] Vectors with [constant @GDScript.NAN] elements don't behave the same as other vectors. Therefore, the results from this method may not be accurate if NaNs are included.
 			</description>
 		</method>
-		<method name="duplicate">
+		<method name="duplicate" qualifiers="const">
 			<return type="PackedVector3Array" />
 			<description>
 				Creates a copy of the array, and returns it.

doc/classes/PackedVector4Array.xml

@@ -74,7 +74,7 @@
 				[b]Note:[/b] Vectors with [constant @GDScript.NAN] elements don't behave the same as other vectors. Therefore, the results from this method may not be accurate if NaNs are included.
 			</description>
 		</method>
-		<method name="duplicate">
+		<method name="duplicate" qualifiers="const">
 			<return type="PackedVector4Array" />
 			<description>
 				Creates a copy of the array, and returns it.

misc/extension_api_validation/4.2-stable.expected

@@ -372,3 +372,27 @@ GH-91382
 Validate extension JSON: Error: Field 'classes/AudioStreamPlaybackPolyphonic/methods/play_stream/arguments': size changed value in new API, from 4 to 6.
 
 Optional arguments added. Compatibility methods registered.
+
+
+GH-79140
+--------
+Validate extension JSON: Error: Field 'builtin_classes/PackedByteArray/methods/duplicate': is_const changed value in new API, from false to true.
+Validate extension JSON: Error: Field 'builtin_classes/PackedColorArray/methods/duplicate': is_const changed value in new API, from false to true.
+Validate extension JSON: Error: Field 'builtin_classes/PackedFloat32Array/methods/duplicate': is_const changed value in new API, from false to true.
+Validate extension JSON: Error: Field 'builtin_classes/PackedFloat64Array/methods/duplicate': is_const changed value in new API, from false to true.
+Validate extension JSON: Error: Field 'builtin_classes/PackedInt32Array/methods/duplicate': is_const changed value in new API, from false to true.
+Validate extension JSON: Error: Field 'builtin_classes/PackedInt64Array/methods/duplicate': is_const changed value in new API, from false to true.
+Validate extension JSON: Error: Field 'builtin_classes/PackedStringArray/methods/duplicate': is_const changed value in new API, from false to true.
+Validate extension JSON: Error: Field 'builtin_classes/PackedVector2Array/methods/duplicate': is_const changed value in new API, from false to true.
+Validate extension JSON: Error: Field 'builtin_classes/PackedVector3Array/methods/duplicate': is_const changed value in new API, from false to true.
+Validate extension JSON: Error: Hash changed for 'builtin_classes/PackedByteArray/methods/duplicate', from 32C526A8 to 0EC26674. This means that the function has changed and no compatibility function was provided.
+Validate extension JSON: Error: Hash changed for 'builtin_classes/PackedColorArray/methods/duplicate', from 3C506BBD to B71B693D. This means that the function has changed and no compatibility function was provided.
+Validate extension JSON: Error: Hash changed for 'builtin_classes/PackedFloat32Array/methods/duplicate', from 3189CE20 to D517D0F3. This means that the function has changed and no compatibility function was provided.
+Validate extension JSON: Error: Hash changed for 'builtin_classes/PackedFloat64Array/methods/duplicate', from 3894A88D to 60FEC131. This means that the function has changed and no compatibility function was provided.
+Validate extension JSON: Error: Hash changed for 'builtin_classes/PackedInt32Array/methods/duplicate', from 7714AAB9 to BC482404. This means that the function has changed and no compatibility function was provided.
+Validate extension JSON: Error: Hash changed for 'builtin_classes/PackedInt64Array/methods/duplicate', from 8DA48760 to 74E6F928. This means that the function has changed and no compatibility function was provided.
+Validate extension JSON: Error: Hash changed for 'builtin_classes/PackedStringArray/methods/duplicate', from B24A91B2 to 2C891259. This means that the function has changed and no compatibility function was provided.
+Validate extension JSON: Error: Hash changed for 'builtin_classes/PackedVector2Array/methods/duplicate', from E054B15C to 62F74D55. This means that the function has changed and no compatibility function was provided.
+Validate extension JSON: Error: Hash changed for 'builtin_classes/PackedVector3Array/methods/duplicate', from A42961E9 to F89F931C. This means that the function has changed and no compatibility function was provided.
+
+Make Vector<T>::duplicate() const.