diff --git a/src/common/serialization/vst3/plugin-factory.cpp b/src/common/serialization/vst3/plugin-factory.cpp
index 4291ff9b..9ea34214 100644
--- a/src/common/serialization/vst3/plugin-factory.cpp
+++ b/src/common/serialization/vst3/plugin-factory.cpp
@@ -60,8 +60,14 @@ YaPluginFactory::YaPluginFactory(
         return;
     }
 
-    // TODO: Copy data from `IPluginFactory3`
     known_iids.insert(factory3->iid);
+    // `IpluginFactory3::getClassInfoUnicode`
+    for (int i = 0; i < num_classes; i++) {
+        Steinberg::PClassInfoW info;
+        if (factory3->getClassInfoUnicode(i, &info) == Steinberg::kResultOk) {
+            class_infos_unicode[i] = info;
+        }
+    }
 }
 
 YaPluginFactory::~YaPluginFactory() {
@@ -110,7 +116,7 @@ int32 PLUGIN_API YaPluginFactory::countClasses() {
 
 tresult PLUGIN_API YaPluginFactory::getClassInfo(Steinberg::int32 index,
                                                  Steinberg::PClassInfo* info) {
-    if (index >= static_cast<int32>(class_infos_1.size())) {
+    if (index >= static_cast<int32>(class_infos_unicode.size())) {
         return Steinberg::kInvalidArgument;
     }
 
@@ -137,8 +143,16 @@ YaPluginFactory::getClassInfo2(int32 index, Steinberg::PClassInfo2* info) {
 }
 
 tresult PLUGIN_API
-YaPluginFactory::getClassInfoUnicode(int32 /*index*/,
-                                     Steinberg::PClassInfoW* /*info*/) {
-    // TODO: Implement
-    return 0;
+YaPluginFactory::getClassInfoUnicode(int32 index,
+                                     Steinberg::PClassInfoW* info) {
+    if (index >= static_cast<int32>(class_infos_unicode.size())) {
+        return Steinberg::kInvalidArgument;
+    }
+
+    if (class_infos_unicode[index]) {
+        *info = *class_infos_unicode[index];
+        return Steinberg::kResultOk;
+    } else {
+        return Steinberg::kResultFalse;
+    }
 }
diff --git a/src/common/serialization/vst3/plugin-factory.h b/src/common/serialization/vst3/plugin-factory.h
index 926c97f4..011258db 100644
--- a/src/common/serialization/vst3/plugin-factory.h
+++ b/src/common/serialization/vst3/plugin-factory.h
@@ -110,6 +110,11 @@ class YaPluginFactory : public Steinberg::IPluginFactory3 {
      * For `IPluginFactory2::getClassInfo2`, works the same way as the above.
      */
     std::vector<std::optional<Steinberg::PClassInfo2>> class_infos_2;
+    /**
+     * For `IPluginFactory3::getClassInfoUnicode`, works the same way as the
+     * above.
+     */
+    std::vector<std::optional<Steinberg::PClassInfoW>> class_infos_unicode;
 
     template <typename S>
     void serialize(S& s) {
@@ -127,6 +132,10 @@ class YaPluginFactory : public Steinberg::IPluginFactory3 {
                     [](S& s, std::optional<Steinberg::PClassInfo2>& info) {
                         s.ext(info, bitsery::ext::StdOptional{});
                     });
+        s.container(class_infos_unicode, 2048,
+                    [](S& s, std::optional<Steinberg::PClassInfoW>& info) {
+                        s.ext(info, bitsery::ext::StdOptional{});
+                    });
     }
 };
 
@@ -156,6 +165,19 @@ void serialize(S& s, PClassInfo2& class_info) {
     s.text1b(class_info.sdkVersion);
 }
 
+template <typename S>
+void serialize(S& s, PClassInfoW& class_info) {
+    s.container1b(class_info.cid);
+    s.value4b(class_info.cardinality);
+    s.text1b(class_info.category);
+    s.text2b(class_info.name);
+    s.value4b(class_info.classFlags);
+    s.text1b(class_info.subCategories);
+    s.text2b(class_info.vendor);
+    s.text2b(class_info.version);
+    s.text2b(class_info.sdkVersion);
+}
+
 template <typename S>
 void serialize(S& s, PFactoryInfo& factory_info) {
     s.text1b(factory_info.vendor);