diff --git a/base/runtime/core.odin b/base/runtime/core.odin
index 550daed3b..a758a2fdd 100644
--- a/base/runtime/core.odin
+++ b/base/runtime/core.odin
@@ -299,6 +299,8 @@ when ODIN_OS == .Windows {
 		Thread_Detach  = 3,
 	}
 	dll_forward_reason: DLL_Forward_Reason
+
+	dll_instance: rawptr
 }
 
 // IMPORTANT NOTE(bill): Must be in this order (as the compiler relies upon it)
diff --git a/base/runtime/entry_windows.odin b/base/runtime/entry_windows.odin
index 7020e9ea8..1e2dcc21a 100644
--- a/base/runtime/entry_windows.odin
+++ b/base/runtime/entry_windows.odin
@@ -10,8 +10,9 @@ when ODIN_BUILD_MODE == .Dynamic {
 	DllMain :: proc "system" (hinstDLL: rawptr, fdwReason: u32, lpReserved: rawptr) -> b32 {
 		context = default_context()
 
-		// Populate Windows DLL-specific global
+		// Populate Windows DLL-specific globals
 		dll_forward_reason = DLL_Forward_Reason(fdwReason)
+		dll_instance       = hinstDLL
 
 		switch dll_forward_reason {
 		case .Process_Attach:
diff --git a/build.bat b/build.bat
index e07fdf4fb..bddde49c8 100644
--- a/build.bat
+++ b/build.bat
@@ -114,7 +114,7 @@ call build_vendor.bat
 if %errorlevel% neq 0 goto end_of_build
 
 rem If the demo doesn't run for you and your CPU is more than a decade old, try -microarch:native
-if %release_mode% EQU 0 odin run examples/demo -- Hellope World
+if %release_mode% EQU 0 odin run examples/demo -vet -strict-style -- Hellope World
 
 del *.obj > NUL 2> NUL
 
diff --git a/build_odin.sh b/build_odin.sh
index d2f865e24..125b9335a 100755
--- a/build_odin.sh
+++ b/build_odin.sh
@@ -144,7 +144,7 @@ build_odin() {
 }
 
 run_demo() {
-	./odin run examples/demo/demo.odin -file -- Hellope World
+	./odin run examples/demo -vet -strict-style -- Hellope World
 }
 
 if [ $# -eq 0 ]; then
diff --git a/core/mem/virtual/virtual_bsd.odin b/core/mem/virtual/virtual_other.odin
similarity index 92%
rename from core/mem/virtual/virtual_bsd.odin
rename to core/mem/virtual/virtual_other.odin
index 12e7818ef..96d9683c4 100644
--- a/core/mem/virtual/virtual_bsd.odin
+++ b/core/mem/virtual/virtual_other.odin
@@ -1,5 +1,7 @@
-//+build freebsd, openbsd, netbsd
 //+private
+//+build !darwin
+//+build !linux
+//+build !windows
 package mem_virtual
 
 _reserve :: proc "contextless" (size: uint) -> (data: []byte, err: Allocator_Error) {
diff --git a/src/build_settings.cpp b/src/build_settings.cpp
index 28ca0f088..4d3e20a7a 100644
--- a/src/build_settings.cpp
+++ b/src/build_settings.cpp
@@ -1805,10 +1805,11 @@ gb_internal bool init_build_paths(String init_filename) {
 	#if defined(GB_SYSTEM_WINDOWS)
 	if (bc->metrics.os == TargetOs_windows) {
 		if (bc->resource_filepath.len > 0) {
-			bc->build_paths[BuildPath_RC]      = path_from_string(ha, bc->resource_filepath);
-			bc->build_paths[BuildPath_RES]     = path_from_string(ha, bc->resource_filepath);
-			bc->build_paths[BuildPath_RC].ext  = copy_string(ha, STR_LIT("rc"));
-			bc->build_paths[BuildPath_RES].ext = copy_string(ha, STR_LIT("res"));
+			bc->build_paths[BuildPath_RES] = path_from_string(ha, bc->resource_filepath);
+			if (!string_ends_with(bc->resource_filepath, str_lit(".res"))) {
+				bc->build_paths[BuildPath_RC]      = path_from_string(ha, bc->resource_filepath);
+				bc->build_paths[BuildPath_RC].ext  = copy_string(ha, STR_LIT("rc"));
+			}
 		}
 
 		if (bc->pdb_filepath.len > 0) {
diff --git a/src/cached.cpp b/src/cached.cpp
index 02cb1ae96..7f213ba21 100644
--- a/src/cached.cpp
+++ b/src/cached.cpp
@@ -200,6 +200,18 @@ gb_internal bool try_cached_build(Checker *c, Array<String> const &args) {
 		}
 	}
 
+	#if defined(GB_SYSTEM_WINDOWS)
+		if (build_context.has_resource) {
+			String res_path = {};
+			if (build_context.build_paths[BuildPath_RC].basename == "")  {
+				res_path = path_to_string(permanent_allocator(), build_context.build_paths[BuildPath_RES]);
+			} else {
+				res_path = path_to_string(permanent_allocator(), build_context.build_paths[BuildPath_RC]);
+			}
+			array_add(&files, res_path);
+		}
+	#endif
+
 	for (auto const &entry : c->info.load_file_cache) {
 		auto *cache = entry.value;
 		if (!cache || !cache->exists) {
diff --git a/src/linker.cpp b/src/linker.cpp
index 890a74e5a..046e72d0e 100644
--- a/src/linker.cpp
+++ b/src/linker.cpp
@@ -305,30 +305,30 @@ gb_internal i32 linker_stage(LinkerData *gen) {
 			defer (gb_free(heap_allocator(), windows_sdk_bin_path.text));
 
 			if (!build_context.use_lld) { // msvc
-				String res_path = {};
+				String res_path = quote_path(heap_allocator(), build_context.build_paths[BuildPath_RES]);
+				String rc_path  = quote_path(heap_allocator(), build_context.build_paths[BuildPath_RC]);
 				defer (gb_free(heap_allocator(), res_path.text));
+				defer (gb_free(heap_allocator(), rc_path.text));
 
-				// TODO(Jeroen): Add ability to reuse .res file instead of recompiling, if `-resource:file.res` is given.
 				if (build_context.has_resource) {
-					String temp_res_path = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_RES]);
-					res_path = concatenate3_strings(heap_allocator(), str_lit("\""), temp_res_path, str_lit("\""));
-					gb_free(heap_allocator(), temp_res_path.text);
+					if (build_context.build_paths[BuildPath_RC].basename == "")  {
+						debugf("Using precompiled resource %.*s\n", LIT(res_path));
+					} else {
+						debugf("Compiling resource %.*s\n", LIT(res_path));
 
-					String temp_rc_path  = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_RC]);
-					String rc_path = concatenate3_strings(heap_allocator(), str_lit("\""), temp_rc_path, str_lit("\""));
-					gb_free(heap_allocator(), temp_rc_path.text);
-					defer (gb_free(heap_allocator(), rc_path.text));
+						result = system_exec_command_line_app("msvc-link",
+							"\"%.*src.exe\" /nologo /fo %.*s %.*s",
+							LIT(windows_sdk_bin_path),
+							LIT(res_path),
+							LIT(rc_path)
+						);
 
-					result = system_exec_command_line_app("msvc-link",
-						"\"%.*src.exe\" /nologo /fo %.*s %.*s",
-						LIT(windows_sdk_bin_path),
-						LIT(res_path),
-						LIT(rc_path)
-					);
-
-					if (result) {
-						return result;
+						if (result) {
+							return result;
+						}
 					}
+				} else {
+					res_path = {};
 				}
 
 				String linker_name = str_lit("link.exe");
diff --git a/src/llvm_backend_opt.cpp b/src/llvm_backend_opt.cpp
index 6a6d2f802..e6ccc9a57 100644
--- a/src/llvm_backend_opt.cpp
+++ b/src/llvm_backend_opt.cpp
@@ -398,16 +398,20 @@ gb_internal LLVMValueRef lb_run_instrumentation_pass_insert_call(lbProcedure *p,
 	LLVMValueRef args[3] = {};
 	args[0] = p->value;
 
-	LLVMValueRef returnaddress_args[1] = {};
+	if (is_arch_wasm()) {
+		args[1] = LLVMConstPointerNull(lb_type(m, t_rawptr));
+	} else {
+		LLVMValueRef returnaddress_args[1] = {};
 
-	returnaddress_args[0] = LLVMConstInt(LLVMInt32TypeInContext(m->ctx), 0, false);
+		returnaddress_args[0] = LLVMConstInt(LLVMInt32TypeInContext(m->ctx), 0, false);
 
-	char const *instrinsic_name = "llvm.returnaddress";
-	unsigned id = LLVMLookupIntrinsicID(instrinsic_name, gb_strlen(instrinsic_name));
-	GB_ASSERT_MSG(id != 0, "Unable to find %s", instrinsic_name);
-	LLVMValueRef ip = LLVMGetIntrinsicDeclaration(m->mod, id, nullptr, 0);
-	LLVMTypeRef call_type = LLVMIntrinsicGetType(m->ctx, id, nullptr, 0);
-	args[1] = LLVMBuildCall2(dummy_builder, call_type, ip, returnaddress_args, gb_count_of(returnaddress_args), "");
+		char const *instrinsic_name = "llvm.returnaddress";
+		unsigned id = LLVMLookupIntrinsicID(instrinsic_name, gb_strlen(instrinsic_name));
+		GB_ASSERT_MSG(id != 0, "Unable to find %s", instrinsic_name);
+		LLVMValueRef ip = LLVMGetIntrinsicDeclaration(m->mod, id, nullptr, 0);
+		LLVMTypeRef call_type = LLVMIntrinsicGetType(m->ctx, id, nullptr, 0);
+		args[1] = LLVMBuildCall2(dummy_builder, call_type, ip, returnaddress_args, gb_count_of(returnaddress_args), "");
+	}
 
 	Token name = {};
 	if (p->entity) {
diff --git a/src/main.cpp b/src/main.cpp
index 7763ccd23..e6a0aecf0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1452,8 +1452,9 @@ gb_internal bool parse_build_flags(Array<String> args) {
 							String path = value.value_string;
 							path = string_trim_whitespace(path);
 							if (is_build_flag_path_valid(path)) {
-								if(!string_ends_with(path, str_lit(".rc"))) {
-									gb_printf_err("Invalid -resource path %.*s, missing .rc\n", LIT(path));
+								bool is_resource = string_ends_with(path, str_lit(".rc")) || string_ends_with(path, str_lit(".res"));
+								if(!is_resource) {
+									gb_printf_err("Invalid -resource path %.*s, missing .rc or .res file\n", LIT(path));
 									bad_flags = true;
 									break;
 								} else if (!gb_file_exists((const char *)path.text)) {
@@ -2552,6 +2553,7 @@ gb_internal void print_show_help(String const arg0, String const &command) {
 		print_usage_line(2, "[Windows only]");
 		print_usage_line(2, "Defines the resource file for the executable.");
 		print_usage_line(2, "Example: -resource:path/to/file.rc");
+		print_usage_line(2, "or:      -resource:path/to/file.res for a precompiled one.");
 		print_usage_line(0, "");
 
 		print_usage_line(1, "-pdb-name:<filepath>");
diff --git a/src/path.cpp b/src/path.cpp
index 26ccb7cbf..2c08ddd98 100644
--- a/src/path.cpp
+++ b/src/path.cpp
@@ -152,6 +152,13 @@ gb_internal String path_to_string(gbAllocator a, Path path) {
 	return res;
 }
 
+gb_internal String quote_path(gbAllocator a, Path path) {
+	String temp   = path_to_string(a, path);
+	String quoted = concatenate3_strings(a, str_lit("\""), temp, str_lit("\""));
+	gb_free(a, temp.text);
+	return quoted;
+}
+
 // NOTE(Jeroen): Naively turns a Path into a string, then normalizes it using `path_to_full_path`.
 gb_internal String path_to_full_path(gbAllocator a, Path path) {
 	String temp = path_to_string(heap_allocator(), path);