diff --git a/build.zig b/build.zig
index d26f1ca..5457506 100644
--- a/build.zig
+++ b/build.zig
@@ -13,6 +13,7 @@ const cppflags = [_][]const u8{
     "-Wno-deprecated-declarations",
     "-Wno-unqualified-std-cast-call",
     "-Wno-bitwise-instead-of-logical", //for notcurses
+    "-Wno-unused-command-line-argument", //zig passes -fno-rtlib-defaultlib when cross-compiling to windows
     "-fno-sanitize=undefined",
     "-gen-cdb-fragment-path",
     ".cache/cdb",
diff --git a/build.zig.zon b/build.zig.zon
index 4dfe18e..1958d5c 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -1,13 +1,13 @@
 .{
     .name = .thespian,
     .version = "0.0.1",
-    .minimum_zig_version = "0.16.0-dev.3133+5ec8e45f3",
+    .minimum_zig_version = "0.16.0",
     .fingerprint = 0xe9ff00fd8e4e01a3,
 
     .dependencies = .{
         .cbor = .{
-            .url = "git+https://github.com/neurocyte/cbor?ref=master#1b7cd3192552f5fd0b1679d535e5cd978794d13a",
-            .hash = "cbor-1.1.0-RcQE_DBMAQBrUYInw5H2ZYfBQT1Po-Y4LEwzUQYbtSJ5",
+            .url = "git+https://github.com/neurocyte/cbor?ref=master#8f37f71439f62b513b9d52a76d6af012395ee47c",
+            .hash = "cbor-1.2.0-RcQE_NtLAQCkBF-LFNB_XsGIycs6pjhCYicxEq0QzYfe",
         },
         .asio = .{
             .url = "git+https://github.com/neurocyte/asio#824070c9385bf98d9de087af6c7992d7039e2836",
diff --git a/include/thespian/backtrace.h b/include/thespian/backtrace.h
index c93a082..f3f8013 100644
--- a/include/thespian/backtrace.h
+++ b/include/thespian/backtrace.h
@@ -12,9 +12,11 @@ void install_remote_debugger();
 void install_backtrace();
 void install_jitdebugger();
 
+#if !defined(_WIN32)
 void sighdl_debugger(int no, siginfo_t * /*sigi*/, void * /*uco*/);
 void sighdl_remote_debugger(int no, siginfo_t * /*sigi*/, void * /*uco*/);
 void sighdl_backtrace(int no, siginfo_t * /*sigi*/, void * /*uco*/);
+#endif
 
 #ifdef __cplusplus
 }
diff --git a/include/thespian/c/tcp.h b/include/thespian/c/tcp.h
index 8f73f38..ffe18af 100644
--- a/include/thespian/c/tcp.h
+++ b/include/thespian/c/tcp.h
@@ -6,7 +6,11 @@ extern "C" {
 #endif
 
 #include <inttypes.h>
+#if defined(_WIN32)
+#include <ws2tcpip.h>
+#else
 #include <netinet/in.h>
+#endif
 #include <stdint.h>
 
 struct thespian_tcp_acceptor_handle;
diff --git a/src/thespian.zig b/src/thespian.zig
index 740cba7..b64a41e 100644
--- a/src/thespian.zig
+++ b/src/thespian.zig
@@ -254,7 +254,7 @@ fn store_stack_trace(stack_trace: std.builtin.StackTrace, writer: *std.Io.Writer
             writer.print("Unable to store stack trace: debug info stripped\n", .{}) catch return;
             return;
         }
-        std.debug.writeStackTrace(&stack_trace, .{ .writer = writer, .mode = .no_color }) catch |err| {
+        std.debug.writeErrorReturnTrace(&stack_trace, .{ .writer = writer, .mode = .no_color }) catch |err| {
             writer.print("Unable to dump stack trace: {s}\n", .{@errorName(err)}) catch return;
             return;
         };
@@ -651,7 +651,7 @@ fn to_result(ret: result) c.thespian_result {
         if (!(cbor.match(msg, .{ "exit", "normal" }) catch false)) {
             if (env.get().is("dump-stack-trace")) {
                 const trace_ = @errorReturnTrace();
-                if (trace_) |t| std.debug.dumpStackTrace(t);
+                if (trace_) |t| std.debug.dumpErrorReturnTrace(t);
             }
         }
         return &error_buffer_tl;
diff --git a/test/endpoint_unx.cpp b/test/endpoint_unx.cpp
index 0a01cdd..fbf3cf2 100644
--- a/test/endpoint_unx.cpp
+++ b/test/endpoint_unx.cpp
@@ -40,6 +40,14 @@ using namespace std::chrono_literals;
 #if !defined(_WIN32)
 namespace {
 
+// Linux supports abstract Unix sockets (null-byte prefix, no filesystem entry).
+// FreeBSD and macOS only support file-based Unix sockets.
+#if defined(__linux__)
+constexpr auto unx_socket_mode = mode::abstract;
+#else
+constexpr auto unx_socket_mode = mode::file;
+#endif
+
 struct controller {
   handle ep_listen;
   handle ep_connect;
@@ -59,7 +67,7 @@ struct controller {
       return ok();
     }
     if (m("path", extract(path))) {
-      ep_connect = connect(path).value();
+      ep_connect = connect(path, unx_socket_mode).value();
       return ok();
     }
     if (m("connected")) {
@@ -85,12 +93,12 @@ struct controller {
 
 auto endpoint_unx(context &ctx, bool &result, env_t env_) -> ::result {
   stringstream ss;
-  ss << "/net/vdbonline/thespian/endpoint_t_" << getpid();
+  ss << "/tmp/thespian_endpoint_t_" << getpid();
   const string path = ss.str();
   return to_result(ctx.spawn_link(
       [path]() {
         link(env().proc("log"));
-        handle ep_listen = listen(path).value();
+        handle ep_listen = listen(path, unx_socket_mode).value();
         receive([p{make_shared<controller>(ep_listen)}](const auto &from,
                                                         const auto &m) {
           return p->receive(from, m);
diff --git a/test/ip_tcp_client_server_c.cpp b/test/ip_tcp_client_server_c.cpp
index 5507216..1885039 100644
--- a/test/ip_tcp_client_server_c.cpp
+++ b/test/ip_tcp_client_server_c.cpp
@@ -7,7 +7,9 @@
 #include <thespian/c/socket.h>
 #include <thespian/c/tcp.h>
 
+#ifndef _WIN32
 #include <netinet/in.h>
+#endif
 #include <string.h>
 
 // ---------------------------------------------------------------------------
diff --git a/test/tests_cpp.zig b/test/tests_cpp.zig
index b8ee481..b695d09 100644
--- a/test/tests_cpp.zig
+++ b/test/tests_cpp.zig
@@ -18,7 +18,7 @@ test "debug" {
 }
 
 test "endpoint_unx" {
-    if (builtin.os.tag == .linux) {
+    if (builtin.os.tag != .windows) {
         try testcase("endpoint_unx");
     }
 }