diff --git a/source/brres/Cargo.lock b/source/brres/Cargo.lock
index 157d0ece3..ac6a62207 100644
--- a/source/brres/Cargo.lock
+++ b/source/brres/Cargo.lock
@@ -68,7 +68,7 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "brres"
-version = "0.1.0"
+version = "0.0.0"
 dependencies = [
  "anyhow",
  "brres-sys",
diff --git a/source/brres/Cargo.toml b/source/brres/Cargo.toml
index 2b356ed7d..8365c2e32 100644
--- a/source/brres/Cargo.toml
+++ b/source/brres/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "brres"
 license = "MIT"
-version = "0.1.0"
+version = "0.0.0"
 edition = "2021"
 description = "gctex is a Rust crate designed for encoding and decoding texture formats used in the Nintendo GameCube and Wii games. The library provides C bindings, making it useful in both Rust and C/C++ based projects."
 homepage = "https://github.com/riidefi/RiiStudio/tree/master/source/brres"
diff --git a/source/brres/lib/brres-sys/src/bindings.cpp b/source/brres/lib/brres-sys/src/bindings.cpp
index 327a8abe4..5d48b0d90 100644
--- a/source/brres/lib/brres-sys/src/bindings.cpp
+++ b/source/brres/lib/brres-sys/src/bindings.cpp
@@ -5,6 +5,10 @@
 
 #include "./librii/g3d/data/Archive.hpp"
 
+#include <vendor/json_struct.h>
+
+#include <LibBadUIFramework/Plugins.hpp>
+
 bool gTestMode __attribute__((weak)) = false;
 
 namespace librii::g3d {
@@ -55,19 +59,55 @@ static void SetCResult(CResult& result, DumpResult&& dumped) {
   };
 }
 
+struct Warning {
+  JS_OBJ(mclass, domain, body);
+  int mclass;
+  std::string domain;
+  std::string body;
+};
+
+struct ArchiveExtensions {
+  JS_OBJ(warnings);
+  std::vector<Warning> warnings;
+};
+
 extern "C" {
 
 WASM_EXPORT u32 imp_brres_read_from_bytes(CResult* result, const void* buf,
                                           u32 len) {
   std::span<const u8> buf_span(reinterpret_cast<const u8*>(buf),
                                reinterpret_cast<const u8*>(buf) + len);
-  auto arc =
-      librii::g3d::Archive::fromMemory(buf_span, "brres_read_from_bytes");
+
+  ArchiveExtensions ext;
+
+  kpi::LightIOTransaction trans;
+  trans.callback = [&](kpi::IOMessageClass message_class,
+                       const std::string_view domain,
+                       const std::string_view message_body) {
+    ext.warnings.push_back(Warning{
+        static_cast<int>(message_class),
+        std::string(domain),
+        std::string(message_body),
+    });
+  };
+  auto arc = librii::g3d::Archive::fromMemory(buf_span, "brres_read_from_bytes",
+                                              trans);
 
   DumpResult dumped;
   bool ok = true;
   if (arc.has_value()) {
     dumped = librii::g3d::DumpJson(*arc);
+
+    auto extJson = JS::serializeStruct(ext);
+
+    // Assumes final character is a "}"
+    assert(dumped.jsonData.size() >= 1);
+    assert(dumped.jsonData[dumped.jsonData.size() - 1] == '}');
+    dumped.jsonData.resize(dumped.jsonData.size() - 1);
+    // Assumes inital character is a "{"
+    assert(extJson.size() >= 1);
+    assert(extJson[0] == '{');
+    dumped.jsonData = dumped.jsonData + "," +  extJson.substr(1);
   } else {
     dumped.jsonData = arc.error();
     ok = false;
diff --git a/source/librii/g3d/io/ArchiveIO.cpp b/source/librii/g3d/io/ArchiveIO.cpp
index ecae07f75..57d4df539 100644
--- a/source/librii/g3d/io/ArchiveIO.cpp
+++ b/source/librii/g3d/io/ArchiveIO.cpp
@@ -9,6 +9,8 @@
 #include <brres/lib/brres-sys/include/brres_sys.h>
 #include <rsl/WriteFile.hpp>
 
+#include <vendor/nlohmann/json.hpp>
+
 namespace librii::g3d {
 void TestJson(const librii::g3d::Archive& archive);
 
@@ -50,7 +52,7 @@ Result<std::vector<u8>> Archive::write() const {
 Result<Archive> Archive::fromFile(std::string path,
                                   kpi::LightIOTransaction& transaction) {
   auto reader = TRY(oishii::BinaryReader::FromFilePath(path, std::endian::big));
-  return fromMemory(reader.mBuf, path);
+  return fromMemory(reader.mBuf, path, transaction);
 }
 Result<Archive> Archive::fromFile(std::string path) {
   kpi::LightIOTransaction trans;
@@ -71,6 +73,24 @@ Result<Archive> Archive::fromMemory(std::span<const u8> buf, std::string path,
                                     kpi::LightIOTransaction& trans) {
   auto res = TRY(brres::read_from_bytes(buf));
   auto arc = TRY(ReadJsonArc(res.jsonData, res.collatedBuffer));
+  auto j = nlohmann::json::parse(res.jsonData);
+  if (j.contains("warnings") && j["warnings"].is_array()) {
+    for (auto& w : j["warnings"]) {
+      if (!j.contains("mclass") || !j["mclass"].is_number_unsigned()) {
+        continue;
+	  }
+      if (!j.contains("domain") || !j["domain"].is_string()) {
+        continue;
+      }
+      if (!j.contains("body") || !j["body"].is_string()) {
+        continue;
+      }
+      int mclass = j["mclass"];
+      std::string domain = j["domain"];
+      std::string body = j["body"];
+      trans.callback(static_cast<kpi::IOMessageClass>(mclass), domain, body);
+    }
+  }
   return arc;
 }
 Result<Archive> Archive::fromMemory(std::span<const u8> buf, std::string path) {
diff --git a/source/vendor/nlohmann/json.hpp b/source/vendor/nlohmann/json.hpp
index a70aaf8cb..086896615 100644
--- a/source/vendor/nlohmann/json.hpp
+++ b/source/vendor/nlohmann/json.hpp
@@ -16454,7 +16454,7 @@ template <class Key, class T, class IgnoredLess = std::less<Key>,
             }
         }
 
-        throw std::out_of_range("key not found");
+        JSON_THROW(std::out_of_range("key not found"));
     }
 
     const T& at(const Key& key) const
@@ -16467,7 +16467,7 @@ template <class Key, class T, class IgnoredLess = std::less<Key>,
             }
         }
 
-        throw std::out_of_range("key not found");
+        JSON_THROW(std::out_of_range("key not found"));
     }
 
     size_type erase(const Key& key)