https://github.com/OGRECave/ogre/issues/3639
https://github.com/OGRECave/ogre/pull/3642
https://github.com/OGRECave/ogre/commit/6ededa21899d1f76c4bb1e471b7830311c5662d8

From cb25260f1171617e6e78c427fd69fbf7a0d41027 Mon Sep 17 00:00:00 2001
From: Pavel Rojtberg <rojtberg@gmail.com>
Date: Sun, 31 May 2026 13:36:04 +0200
Subject: [PATCH] Main: Mesh - add missing vector include

--- a/OgreMain/include/OgreMesh.h
+++ b/OgreMain/include/OgreMesh.h
@@ -30,6 +30,8 @@ THE SOFTWARE.
 
 #include "OgrePrerequisites.h"
 
+#include <vector>
+
 #include "OgreResource.h"
 #include "OgreAxisAlignedBox.h"
 #include "OgreVertexBoneAssignment.h"