diff --git a/lib/external/imgui/source/imgui_impl_glfw.cpp b/lib/external/imgui/source/imgui_impl_glfw.cpp
index 0ba6dfc05..83c98bee0 100644
--- a/lib/external/imgui/source/imgui_impl_glfw.cpp
+++ b/lib/external/imgui/source/imgui_impl_glfw.cpp
@@ -414,6 +414,10 @@ void ImGui_ImplGlfw_KeyCallback(GLFWwindow* window, int keycode, int scancode, i
     if (bd->PrevUserCallbackKey != NULL && window == bd->Window)
         bd->PrevUserCallbackKey(window, keycode, scancode, action, mods);
 
+    // IMHEX PATCH BEGIN
+    if (keycode == GLFW_KEY_UNKNOWN)
+        return;
+    // IMHEX PATCH END
     if (action != GLFW_PRESS && action != GLFW_RELEASE)
         return;
 
diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 49f3fb30d..2b0c7a4a4 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 49f3fb30dcb3044a2bb535958b7b954c81ec23ef
+Subproject commit 2b0c7a4a4c2325a5cd6dc6104b5a85bbde85ff37
diff --git a/lib/libimhex/include/hex/ui/imgui_imhex_extensions.h b/lib/libimhex/include/hex/ui/imgui_imhex_extensions.h
index c4b2d22c1..62cc18449 100644
--- a/lib/libimhex/include/hex/ui/imgui_imhex_extensions.h
+++ b/lib/libimhex/include/hex/ui/imgui_imhex_extensions.h
@@ -30,6 +30,8 @@ enum ImGuiCustomCol {
     ImGuiCustomCol_IEEEToolExp,
     ImGuiCustomCol_IEEEToolMantissa,
 
+    ImGuiCustomCol_BlurBackground,
+
     ImGuiCustomCol_COUNT
 };
 
diff --git a/main/source/window/window.cpp b/main/source/window/window.cpp
index 3ee11e067..5cfd4226b 100644
--- a/main/source/window/window.cpp
+++ b/main/source/window/window.cpp
@@ -864,6 +864,8 @@ namespace hex {
         glfwSetKeyCallback(this->m_window, [](GLFWwindow *window, int key, int scancode, int action, int mods) {
             hex::unused(mods);
 
+            if (key == GLFW_KEY_UNKNOWN) return;
+
             auto keyName = glfwGetKeyName(key, scancode);
             if (keyName != nullptr)
                 key = std::toupper(keyName[0]);