vercel-labs · ctate · Feb 5, 2026 · Feb 5, 2026 · Feb 5, 2026
diff --git a/apps/web/app/(main)/docs/changelog/page.tsx b/apps/web/app/(main)/docs/changelog/page.tsx
@@ -12,7 +12,7 @@ export default function ChangelogPage() {
         Notable changes and updates to json-render.
       </p>
 
-      <h2 className="text-xl font-semibold mt-12 mb-4">v0.3.0</h2>
+      <h2 className="text-xl font-semibold mt-12 mb-4">v0.4.0</h2>
       <p className="text-sm text-muted-foreground mb-6">February 2026</p>
 
       <h3 className="text-lg font-semibold mt-8 mb-4">
@@ -39,6 +39,28 @@ const mySchema = defineSchema((s) => ({
   promptTemplate: myPromptTemplate,
 });`}</Code>
 
+      <h3 className="text-lg font-semibold mt-8 mb-4">New: Component Slots</h3>
+      <p className="text-sm text-muted-foreground mb-4">
+        Components can now define which slots they accept. Use{" "}
+        <code>[&quot;default&quot;]</code> for regular children, or named slots
+        like <code>[&quot;header&quot;, &quot;footer&quot;]</code> for more
+        complex layouts.
+      </p>
+      <Code lang="typescript">{`const catalog = defineCatalog(schema, {
+  components: {
+    Card: {
+      props: z.object({ title: z.string() }),
+      slots: ["default"],  // accepts children
+      description: "A card container",
+    },
+    Layout: {
+      props: z.object({}),
+      slots: ["header", "content", "footer"],  // named slots
+      description: "Page layout with header, content, footer",
+    },
+  },
+});`}</Code>
+
       <h3 className="text-lg font-semibold mt-8 mb-4">
         New: AI Prompt Generation
       </h3>
@@ -66,32 +88,6 @@ const result = await streamText({
   prompt: userMessage,
 });`}</Code>
 
-      <h3 className="text-lg font-semibold mt-8 mb-4">New: SpecStream</h3>
-      <p className="text-sm text-muted-foreground mb-4">
-        SpecStream is json-render&apos;s streaming format for progressively
-        building specs from JSONL patches. The new compiler API makes it easy to
-        process streaming AI responses.
-      </p>
-      <Code lang="typescript">{`import { createSpecStreamCompiler } from "@json-render/core";
-
-const compiler = createSpecStreamCompiler<MySpec>();
-
-// Process streaming chunks
-const { result, newPatches } = compiler.push(chunk);
-setSpec(result); // Update UI with partial result`}</Code>
-
-      <h3 className="text-lg font-semibold mt-8 mb-4">
-        New: @json-render/codegen
-      </h3>
-      <p className="text-sm text-muted-foreground mb-4">
-        Export specs as React code. Traverse specs and serialize them to JSX for
-        code export features.
-      </p>
-      <Code lang="typescript">{`import { traverseSpec, serializeToJSX } from "@json-render/codegen";
-
-const jsx = serializeToJSX(spec, catalog);
-// Returns: <Card title="Hello"><Button label="Click" /></Card>`}</Code>
-
       <h3 className="text-lg font-semibold mt-8 mb-4">
         New: @json-render/remotion
       </h3>
@@ -121,6 +117,20 @@ const catalog = defineCatalog(schema, {
         custom components.
       </p>
 
+      <h3 className="text-lg font-semibold mt-8 mb-4">New: SpecStream</h3>
+      <p className="text-sm text-muted-foreground mb-4">
+        SpecStream is json-render&apos;s streaming format for progressively
+        building specs from JSONL patches. The new compiler API makes it easy to
+        process streaming AI responses.
+      </p>
+      <Code lang="typescript">{`import { createSpecStreamCompiler } from "@json-render/core";
+
+const compiler = createSpecStreamCompiler<MySpec>();
+
+// Process streaming chunks
+const { result, newPatches } = compiler.push(chunk);
+setSpec(result); // Update UI with partial result`}</Code>
+
       <h3 className="text-lg font-semibold mt-8 mb-4">
         Improved: Dashboard Example
       </h3>
@@ -161,6 +171,25 @@ const catalog = defineCatalog(schema, {
 
       <hr className="my-12 border-border" />
 
+      <h2 className="text-xl font-semibold mt-12 mb-4">v0.3.0</h2>
+      <p className="text-sm text-muted-foreground mb-6">January 2026</p>
+      <p className="text-sm text-muted-foreground mb-4">
+        Internal release with codegen foundations.
+      </p>
+      <ul className="list-disc list-inside text-sm text-muted-foreground space-y-1 mb-4">
+        <li>
+          Added <code>@json-render/codegen</code> package (spec traversal and
+          JSX serialization)
+        </li>
+        <li>Configurable AI model via environment variables</li>
+        <li>Documentation improvements and bug fixes</li>
+      </ul>
+      <p className="text-sm text-muted-foreground italic">
+        Note: Only @json-render/core was published to npm for this release.
+      </p>
+
+      <hr className="my-12 border-border" />
+
       <h2 className="text-xl font-semibold mt-12 mb-4">v0.2.0</h2>
       <p className="text-sm text-muted-foreground mb-6">January 2026</p>
       <p className="text-sm text-muted-foreground mb-4">

diff --git a/examples/dashboard/next-env.d.ts b/examples/dashboard/next-env.d.ts
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
diff --git a/examples/remotion/next-env.d.ts b/examples/remotion/next-env.d.ts
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
diff --git a/packages/codegen/package.json b/packages/codegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@json-render/codegen",
-  "version": "0.1.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "description": "Utilities for generating code from json-render UI trees",
   "keywords": [

diff --git a/packages/core/package.json b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@json-render/core",
-  "version": "0.2.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "description": "JSON becomes real things. Define your catalog, register your components, let AI generate.",
   "keywords": [

diff --git a/packages/react/package.json b/packages/react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@json-render/react",
-  "version": "0.2.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "description": "React renderer for @json-render/core. JSON becomes React components.",
   "keywords": [

diff --git a/packages/remotion/package.json b/packages/remotion/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@json-render/remotion",
-  "version": "0.1.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "description": "Remotion renderer for @json-render/core. JSON becomes video compositions.",
   "keywords": [