diff --git a/.vscode/launch.json b/.vscode/launch.json
index 1940f06653..d443761407 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -430,9 +430,13 @@
           "name": "BUN_DEBUG_QUIET_LOGS",
           "value": "1"
         },
+        {
+          "name": "BUN_DEBUG_jest",
+          "value": "1"
+        },
         {
           "name": "BUN_GARBAGE_COLLECTOR_LEVEL",
-          "value": "2"
+          "value": "1"
         }
       ]
     },
@@ -452,6 +456,18 @@
           "name": "BUN_DEBUG_QUIET_LOGS",
           "value": "1"
         },
+        {
+          "name": "BUN_DEBUG_EventLoop",
+          "value": "1"
+        },
+        {
+          "name": "BUN_DEBUG_SYS",
+          "value": "1"
+        },
+        {
+          "name": "BUN_DEBUG_PipeWriter",
+          "value": "1"
+        },
         {
           "name": "BUN_GARBAGE_COLLECTOR_LEVEL",
           "value": "2"
diff --git a/packages/bun-inspector-frontend/bun.lockb b/packages/bun-inspector-frontend/bun.lockb
index 9133cce88c..053ac06792 100755
Binary files a/packages/bun-inspector-frontend/bun.lockb and b/packages/bun-inspector-frontend/bun.lockb differ
diff --git a/packages/bun-internal-test/bun.lockb b/packages/bun-internal-test/bun.lockb
index cef9d5e7e6..78a096d6a2 100755
Binary files a/packages/bun-internal-test/bun.lockb and b/packages/bun-internal-test/bun.lockb differ
diff --git a/packages/bun-usockets/src/eventing/libuv.c b/packages/bun-usockets/src/eventing/libuv.c
index e57f0164d3..b5c3d8c8d2 100644
--- a/packages/bun-usockets/src/eventing/libuv.c
+++ b/packages/bun-usockets/src/eventing/libuv.c
@@ -197,6 +197,7 @@ void us_loop_free(struct us_loop_t *loop) {
 
 void us_loop_run(struct us_loop_t *loop) {
   us_loop_integrate(loop);
+  uv_update_time(loop->uv_loop);
 
   uv_run(loop->uv_loop, UV_RUN_ONCE);
 }
diff --git a/src/bun.js/webcore/blob/ReadFile.zig b/src/bun.js/webcore/blob/ReadFile.zig
index 6febb718cd..5e045134d3 100644
--- a/src/bun.js/webcore/blob/ReadFile.zig
+++ b/src/bun.js/webcore/blob/ReadFile.zig
@@ -564,7 +564,7 @@ pub const ReadFileUV = struct {
     on_complete_fn: ReadFile.OnReadFileCallback,
     is_regular_file: bool = false,
 
-    req: libuv.fs_t = libuv.fs_t.uninitialized,
+    req: libuv.fs_t = std.mem.zeroes(libuv.fs_t),
 
     pub fn start(loop: *libuv.Loop, store: *Store, off: SizeType, max_len: SizeType, comptime Handler: type, handler: *anyopaque) void {
         log("ReadFileUV.start", .{});
@@ -630,7 +630,8 @@ pub const ReadFileUV = struct {
             return;
         }
 
-        this.req.assertCleanedUp();
+        this.req.deinit();
+        this.req.data = this;
 
         if (libuv.uv_fs_fstat(this.loop, &this.req, bun.uvfdcast(opened_fd), &onFileInitialStat).errEnum()) |errno| {
             this.errno = bun.errnoToZigErr(errno);
diff --git a/src/io/PipeWriter.zig b/src/io/PipeWriter.zig
index 053e8de714..3d53546e00 100644
--- a/src/io/PipeWriter.zig
+++ b/src/io/PipeWriter.zig
@@ -1092,6 +1092,7 @@ pub fn WindowsStreamingWriter(
                 this.closeWithoutReporting();
                 return;
             }
+
             // success means that we send all the data inside current_payload
             const written = this.current_payload.size();
             this.current_payload.reset();
diff --git a/src/js/builtins/ProcessObjectInternals.ts b/src/js/builtins/ProcessObjectInternals.ts
index 38c68893c2..5425ac5026 100644
--- a/src/js/builtins/ProcessObjectInternals.ts
+++ b/src/js/builtins/ProcessObjectInternals.ts
@@ -364,6 +364,10 @@ export function windowsEnv(internalEnv: InternalEnvMap, envMapList: Array<string
     return o;
   };
 
+  (internalEnv as any).toJSON = () => {
+    return { ...internalEnv };
+  };
+
   return new Proxy(internalEnv, {
     get(_, p) {
       return typeof p === "string" ? internalEnv[p.toUpperCase()] : undefined;
diff --git a/src/js/node/child_process.js b/src/js/node/child_process.js
index cf88291026..f97ca55839 100644
--- a/src/js/node/child_process.js
+++ b/src/js/node/child_process.js
@@ -1217,7 +1217,6 @@ class ChildProcess extends EventEmitter {
 
     // TODO: better ipc support
     const ipc = $isArray(stdio) && stdio[3] === "ipc";
-
     var env = options.envPairs || undefined;
     const detachedOption = options.detached;
     this.#encoding = options.encoding || undefined;
@@ -1595,7 +1594,7 @@ const validateObject = (value, name, options = null) => {
   const nullable = options?.nullable ?? false;
   if (
     (!nullable && value === null) ||
-    (!allowArray && ArrayIsArray.$call(value)) ||
+    (!allowArray && $isJSArray(value)) ||
     (typeof value !== "object" && (!allowFunction || typeof value !== "function"))
   ) {
     throw new ERR_INVALID_ARG_TYPE(name, "object", value);
diff --git a/test/bundler/__snapshots__/bun-build-api.test.ts.snap b/test/bundler/__snapshots__/bun-build-api.test.ts.snap
index 08a1b40f3d..30746b67d6 100644
--- a/test/bundler/__snapshots__/bun-build-api.test.ts.snap
+++ b/test/bundler/__snapshots__/bun-build-api.test.ts.snap
@@ -1,117 +1,117 @@
-// Bun Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Bun.build BuildArtifact properties: hash 1`] = `"e4885a8bc2de343a"`;
-
-exports[`Bun.build BuildArtifact properties + entry.naming: hash 1`] = `"cb8abf3391c2971f"`;
-
-exports[`Bun.build BuildArtifact properties sourcemap: hash index.js 1`] = `"e4885a8bc2de343a"`;
-
-exports[`Bun.build BuildArtifact properties sourcemap: hash index.js.map 1`] = `"0000000000000000"`;
-
-exports[`Bun.build Bun.write(BuildArtifact) 1`] = `
-"var __defProp = Object.defineProperty;
-var __export = (target, all) => {
-  for (var name in all)
-    __defProp(target, name, {
-      get: all[name],
-      enumerable: true,
-      configurable: true,
-      set: (newValue) => all[name] = () => newValue
-    });
-};
-var __esm = (fn, res) => () => (fn && (res = fn(fn = 0)), res);
-
-// test/bundler/fixtures/trivial/fn.js
-var exports_fn = {};
-__export(exports_fn, {
-  fn: () => {
-    {
-      return fn;
-    }
-  }
-});
-function fn(a) {
-  return a + 42;
-}
-var init_fn = __esm(() => {
-});
-
-// test/bundler/fixtures/trivial/index.js
-var NS = Promise.resolve().then(() => (init_fn(), exports_fn));
-NS.then(({ fn: fn2 }) => {
-  console.log(fn2(42));
-});
-"
-`;
-
-exports[`Bun.build outdir + reading out blobs works 1`] = `
-"var __defProp = Object.defineProperty;
-var __export = (target, all) => {
-  for (var name in all)
-    __defProp(target, name, {
-      get: all[name],
-      enumerable: true,
-      configurable: true,
-      set: (newValue) => all[name] = () => newValue
-    });
-};
-var __esm = (fn, res) => () => (fn && (res = fn(fn = 0)), res);
-
-// test/bundler/fixtures/trivial/fn.js
-var exports_fn = {};
-__export(exports_fn, {
-  fn: () => {
-    {
-      return fn;
-    }
-  }
-});
-function fn(a) {
-  return a + 42;
-}
-var init_fn = __esm(() => {
-});
-
-// test/bundler/fixtures/trivial/index.js
-var NS = Promise.resolve().then(() => (init_fn(), exports_fn));
-NS.then(({ fn: fn2 }) => {
-  console.log(fn2(42));
-});
-"
-`;
-
-exports[`Bun.build new Response(BuildArtifact) sets content type: response text 1`] = `
-"var __defProp = Object.defineProperty;
-var __export = (target, all) => {
-  for (var name in all)
-    __defProp(target, name, {
-      get: all[name],
-      enumerable: true,
-      configurable: true,
-      set: (newValue) => all[name] = () => newValue
-    });
-};
-var __esm = (fn, res) => () => (fn && (res = fn(fn = 0)), res);
-
-// test/bundler/fixtures/trivial/fn.js
-var exports_fn = {};
-__export(exports_fn, {
-  fn: () => {
-    {
-      return fn;
-    }
-  }
-});
-function fn(a) {
-  return a + 42;
-}
-var init_fn = __esm(() => {
-});
-
-// test/bundler/fixtures/trivial/index.js
-var NS = Promise.resolve().then(() => (init_fn(), exports_fn));
-NS.then(({ fn: fn2 }) => {
-  console.log(fn2(42));
-});
-"
-`;
+// Bun Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Bun.build BuildArtifact properties: hash 1`] = `"e4885a8bc2de343a"`;
+
+exports[`Bun.build BuildArtifact properties + entry.naming: hash 1`] = `"cb8abf3391c2971f"`;
+
+exports[`Bun.build BuildArtifact properties sourcemap: hash index.js 1`] = `"e4885a8bc2de343a"`;
+
+exports[`Bun.build BuildArtifact properties sourcemap: hash index.js.map 1`] = `"0000000000000000"`;
+
+exports[`Bun.build Bun.write(BuildArtifact) 1`] = `
+"var __defProp = Object.defineProperty;
+var __export = (target, all) => {
+  for (var name in all)
+    __defProp(target, name, {
+      get: all[name],
+      enumerable: true,
+      configurable: true,
+      set: (newValue) => all[name] = () => newValue
+    });
+};
+var __esm = (fn, res) => () => (fn && (res = fn(fn = 0)), res);
+
+// test/bundler/fixtures/trivial/fn.js
+var exports_fn = {};
+__export(exports_fn, {
+  fn: () => {
+    {
+      return fn;
+    }
+  }
+});
+function fn(a) {
+  return a + 42;
+}
+var init_fn = __esm(() => {
+});
+
+// test/bundler/fixtures/trivial/index.js
+var NS = Promise.resolve().then(() => (init_fn(), exports_fn));
+NS.then(({ fn: fn2 }) => {
+  console.log(fn2(42));
+});
+"
+`;
+
+exports[`Bun.build outdir + reading out blobs works 1`] = `
+"var __defProp = Object.defineProperty;
+var __export = (target, all) => {
+  for (var name in all)
+    __defProp(target, name, {
+      get: all[name],
+      enumerable: true,
+      configurable: true,
+      set: (newValue) => all[name] = () => newValue
+    });
+};
+var __esm = (fn, res) => () => (fn && (res = fn(fn = 0)), res);
+
+// test/bundler/fixtures/trivial/fn.js
+var exports_fn = {};
+__export(exports_fn, {
+  fn: () => {
+    {
+      return fn;
+    }
+  }
+});
+function fn(a) {
+  return a + 42;
+}
+var init_fn = __esm(() => {
+});
+
+// test/bundler/fixtures/trivial/index.js
+var NS = Promise.resolve().then(() => (init_fn(), exports_fn));
+NS.then(({ fn: fn2 }) => {
+  console.log(fn2(42));
+});
+"
+`;
+
+exports[`Bun.build new Response(BuildArtifact) sets content type: response text 1`] = `
+"var __defProp = Object.defineProperty;
+var __export = (target, all) => {
+  for (var name in all)
+    __defProp(target, name, {
+      get: all[name],
+      enumerable: true,
+      configurable: true,
+      set: (newValue) => all[name] = () => newValue
+    });
+};
+var __esm = (fn, res) => () => (fn && (res = fn(fn = 0)), res);
+
+// test/bundler/fixtures/trivial/fn.js
+var exports_fn = {};
+__export(exports_fn, {
+  fn: () => {
+    {
+      return fn;
+    }
+  }
+});
+function fn(a) {
+  return a + 42;
+}
+var init_fn = __esm(() => {
+});
+
+// test/bundler/fixtures/trivial/index.js
+var NS = Promise.resolve().then(() => (init_fn(), exports_fn));
+NS.then(({ fn: fn2 }) => {
+  console.log(fn2(42));
+});
+"
+`;
diff --git a/test/js/node/child_process/child-process-stdio.test.js b/test/js/node/child_process/child-process-stdio.test.js
index 40a9fa0efc..424fddb815 100644
--- a/test/js/node/child_process/child-process-stdio.test.js
+++ b/test/js/node/child_process/child-process-stdio.test.js
@@ -78,14 +78,14 @@ describe("process.stdin", () => {
     child.stdin.end(input);
   });
 
-  it("should allow us to read > 65kb from stdin", done => {
+  it.only("should allow us to read > 65kb from stdin", done => {
     const numReps = Math.ceil((1024 * 1024) / 5);
     const input = Buffer.alloc("hello".length * numReps)
       .fill("hello")
       .toString();
     // Child should read from stdin and write it back
     const child = spawn(bunExe(), [CHILD_PROCESS_FILE, "STDIN", "FLOWING"], {
-      env: { ...bunEnv, BUN_DEBUG_QUIET_LOGS: "0", BUN_DEBUG: "/tmp/out.log" },
+      env: { ...bunEnv, BUN_DEBUG_QUIET_LOGS: "1" },
       stdio: ["pipe", "pipe", "inherit"],
     });
     let data = "";
diff --git a/test/js/node/child_process/fixtures/child-process-echo-options.js b/test/js/node/child_process/fixtures/child-process-echo-options.js
index 7d6298bd02..0f5be894af 100644
--- a/test/js/node/child_process/fixtures/child-process-echo-options.js
+++ b/test/js/node/child_process/fixtures/child-process-echo-options.js
@@ -1,2 +1,3 @@
 // TODO - bun has no `send` method in the process
-process?.send({ env: process.env });
+const out = { env: { ...process.env } };
+process?.send(out);
diff --git a/test/js/node/fs/fs.test.ts b/test/js/node/fs/fs.test.ts
index 428ef3cf8d..7553485223 100644
--- a/test/js/node/fs/fs.test.ts
+++ b/test/js/node/fs/fs.test.ts
@@ -1481,7 +1481,7 @@ describe("rmdirSync", () => {
   });
 });
 
-describe.skipIf(isWindows)("createReadStream", () => {
+describe("createReadStream", () => {
   it("works (1 chunk)", async () => {
     return await new Promise((resolve, reject) => {
       var stream = createReadStream(import.meta.dir + "/readFileSync.txt", {});
diff --git a/test/js/node/process/process-stdin-echo.js b/test/js/node/process/process-stdin-echo.js
index 0475586258..77dabcb545 100644
--- a/test/js/node/process/process-stdin-echo.js
+++ b/test/js/node/process/process-stdin-echo.js
@@ -2,10 +2,10 @@ process.stdin.setEncoding("utf8");
 process.stdin.on("data", data => {
   process.stdout.write(data);
 });
-process.stdin.once(process.argv[2] == "close-event" ? "close" : "end", () => {
-  process.stdout.write(process.argv[2] == "close-event" ? "ENDED-CLOSE" : "ENDED");
+process.stdin.once(process.argv[2] === "close-event" ? "close" : "end", () => {
+  process.stdout.write(process.argv[2] === "close-event" ? "ENDED-CLOSE" : "ENDED");
 });
-if (process.argv[2] == "resume") {
+if (process.argv[2] === "resume") {
   process.stdout.write("RESUMED");
   process.stdin.resume();
 }
diff --git a/test/js/third_party/es-module-lexer/es-module-lexer.test.ts b/test/js/third_party/es-module-lexer/es-module-lexer.test.ts
index 2202a61a67..e9f7ebbbd6 100644
--- a/test/js/third_party/es-module-lexer/es-module-lexer.test.ts
+++ b/test/js/third_party/es-module-lexer/es-module-lexer.test.ts
@@ -1,5 +1,5 @@
 import { test, expect } from "bun:test";
-import { spawnSync } from "bun";
+import { spawn } from "bun";
 import { bunEnv, bunExe } from "../../../harness";
 import { join } from "path";
 
@@ -11,13 +11,13 @@ import { join } from "path";
 //
 // At the time of writing, this includes WebAssembly compilation and Atomics
 // It excludes FinalizationRegistry since that doesn't need to keep the process alive.
-test("es-module-lexer consistently loads", () => {
+test("es-module-lexer consistently loads", async () => {
   for (let i = 0; i < 10; i++) {
-    const { stdout, exitCode } = spawnSync({
+    const { stdout, exited } = spawn({
       cmd: [bunExe(), join(import.meta.dir, "index.ts")],
       env: bunEnv,
     });
-    expect(JSON.parse(stdout?.toString())).toEqual({
+    expect(await new Response(stdout).json()).toEqual({
       imports: [
         {
           n: "b",
@@ -40,6 +40,6 @@ test("es-module-lexer consistently loads", () => {
         },
       ],
     });
-    expect(exitCode).toBe(42);
+    expect(await exited).toBe(42);
   }
 });