From be330d2364669d1b71cc6a16fd9b782dc3d3e164 Mon Sep 17 00:00:00 2001
From: Colin McDonnell <colinmcd@alum.mit.edu>
Date: Sat, 31 Jul 2021 22:22:06 -0400
Subject: [PATCH] Update changelog

---
 CHANGELOG.md           |  4 +++-
 deno/lib/playground.ts | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 deno/lib/playground.ts

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9420eb2ac..2509e2c4b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,9 @@
 # Changelog
 
-### 4.0
+### 3.6
 
+- Add IE11 support
+- `ZodError.flatten` now optionally accepts a map function for customizing the output
 - `.void()` now only accepts undefined, not null.
 
 ### 3.5
diff --git a/deno/lib/playground.ts b/deno/lib/playground.ts
new file mode 100644
index 000000000..b784f97c6
--- /dev/null
+++ b/deno/lib/playground.ts
@@ -0,0 +1,33 @@
+import { z } from "./index.ts";
+
+const run = async () => {
+  z;
+
+  const propertySchema = z.string();
+  const schema = z
+    .object({
+      a: propertySchema,
+      b: propertySchema,
+    })
+    .refine(
+      (val) => {
+        return val.a === val.b;
+      },
+      { message: "Must be equal" }
+    );
+
+  try {
+    schema.parse({
+      a: "asdf",
+      b: "qwer",
+    });
+  } catch (error) {
+    if (error instanceof z.ZodError) {
+      console.log(error);
+      console.log(error.flatten((iss) => iss.code));
+    }
+  }
+};
+run();
+
+export {};