From a7178d5a11913e7d111b8c21f63ab6a79df203ff Mon Sep 17 00:00:00 2001
From: Shmueli Englard <shmueli.yosef@englard.net>
Date: Wed, 28 Aug 2024 21:41:01 -0700
Subject: [PATCH] Release unknown after QI

---
 src/Shmuelie.WinRTServer/Internal/BaseClassFactoryWrapper.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Shmuelie.WinRTServer/Internal/BaseClassFactoryWrapper.cs b/src/Shmuelie.WinRTServer/Internal/BaseClassFactoryWrapper.cs
index fbc65bb..963764f 100644
--- a/src/Shmuelie.WinRTServer/Internal/BaseClassFactoryWrapper.cs
+++ b/src/Shmuelie.WinRTServer/Internal/BaseClassFactoryWrapper.cs
@@ -35,6 +35,7 @@ public unsafe HRESULT CreateInstance(void* pUnkOuter, Guid* riid, void** ppvObje
             else
             {
                 HRESULT hr = (HRESULT)Marshal.QueryInterface(unknown, ref *riid, out nint ppv);
+                Marshal.Release(unknown);
                 if (hr.Failed)
                 {
                     return hr;