[pull] main from uber:main

documentation-site/pages/blog/base-web-v16/index.mdx

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+import Layout from "../../../components/layout";
+import { Meta } from "../../../components/blog";
+import metadata from "./metadata.json";
+
+export default Layout;
+
+<Meta data={metadata} />
+
+# Base Web v16 Released
+
+After more than a year since our last update, we're releasing Base Web v16 with refreshed designs for Button, Button Group, and Tag components, plus a new Tag Group component.
+
+We remain committed to maintaining the external codebase and documentation site, and we'll keep sharing updates and new features as they become available.
+
+## Refreshed Button, Button Group, and Tag
+
+Button, Button Group, and Tag components have updated designs with better visual consistency and improved accessibility. Your existing code continues to work without changes.
+
+## New Tag Group Component
+
+Tag Group simplifies managing multiple tags with built-in validation, and keyboard support.
+
+```jsx
+import { TagGroup } from "baseui/tag-group";
+
+function MyComponent() {
+  const [tags, setTags] = React.useState(["Design", "React", "UI"]);
+  return <TagGroup tags={tags} onChange={setTags} />;
+}
+```
+
+## Upgrade
+
+```bash
+npm install baseui@^16.0.0
+```
+
+Check out the [Button](/components/button), [Button Group](/components/button-group), [Tag](/components/tag), and [Tag Group](/components/tag-group) documentation for details.

documentation-site/pages/blog/base-web-v16/metadata.json

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+{
+  "author": "Diana Suvorova",
+  "authorLink": "https://github.com/diana.suvorova",
+  "title": "What's new in Base Web 16?",
+  "tagline": "We are back with updates and new components",
+  "date": "7 January 2026",
+  "coverImage": "https://user-images.githubusercontent.com/5317799/160484160-c3de4f21-c4bd-4978-b39a-7c5c677b449f.png",
+  "coverImageWidth": 960,
+  "coverImageHeight": 575,
+  "keyWords": [
+    "Base Web",
+    "Design System",
+    "React",
+    "v16",
+    "Button",
+    "Tag",
+    "Tag Group"
+  ]
+}

documentation-site/posts.jsx

@@ -1,4 +1,17 @@
 const posts = [
+  {
+    path: "/blog/base-web-v16",
+    author: "Diana Suvorova",
+    authorLink: "https://github.com/diana.suvorova",
+    title: "What's new in Base Web 16?",
+    tagline: "We are back with updates and new components",
+    date: "7 January 2026",
+    coverImage:
+      "https://user-images.githubusercontent.com/5317799/160484160-c3de4f21-c4bd-4978-b39a-7c5c677b449f.png",
+    coverImageWidth: 960,
+    coverImageHeight: 575,
+    keyWords: ["Base Web", "Design System", "React", "v16", "Button", "Tag", "Tag Group"],
+  },
   {
     path: "/blog/file-uploader",
     author: "Emerson Pfeiffer",