TanStack · AlemTuzlak · Aug 22, 2026 · Aug 21, 2026
diff --git a/.changeset/ag-ui-metadata-compliance.md b/.changeset/ag-ui-metadata-compliance.md
diff --git a/.changeset/grok-video-fetch-this.md b/.changeset/grok-video-fetch-this.md
diff --git a/examples/ag-ui/CHANGELOG.md b/examples/ag-ui/CHANGELOG.md
@@ -1,5 +1,14 @@
 # ag-ui
 
+## 0.0.11
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai-client@0.26.0
+  - @tanstack/ai-react@0.21.3
+  - @tanstack/ai-react-ui@0.8.19
+
 ## 0.0.10
 
 ### Patch Changes

diff --git a/examples/ag-ui/package.json b/examples/ag-ui/package.json
@@ -2,7 +2,7 @@
   "name": "ag-ui",
   "private": true,
   "type": "module",
-  "version": "0.0.10",
+  "version": "0.0.11",
   "scripts": {
     "detect-servers": "node scripts/detect-servers.mjs",
     "predev": "node scripts/detect-servers.mjs",

diff --git a/packages/ai-acp/CHANGELOG.md b/packages/ai-acp/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @tanstack/ai-acp
 
+## 0.3.4
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+  - @tanstack/ai-sandbox@0.5.0
+
 ## 0.3.3
 
 ### Patch Changes

diff --git a/packages/ai-acp/package.json b/packages/ai-acp/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-acp",
-  "version": "0.3.3",
+  "version": "0.3.4",
   "description": "Shared Agent Client Protocol (ACP) transport, session, and AG-UI translation for TanStack AI harness adapters.",
   "author": "",
   "license": "MIT",

diff --git a/packages/ai-angular/CHANGELOG.md b/packages/ai-angular/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @tanstack/ai-angular
 
+## 0.6.3
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+  - @tanstack/ai-client@0.26.0
+
 ## 0.6.2
 
 ### Patch Changes

diff --git a/packages/ai-angular/package.json b/packages/ai-angular/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-angular",
-  "version": "0.6.2",
+  "version": "0.6.3",
   "description": "Angular signals integration for TanStack AI streaming chat, structured outputs, and media generation.",
   "author": "",
   "license": "MIT",

diff --git a/packages/ai-anthropic/CHANGELOG.md b/packages/ai-anthropic/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @tanstack/ai-anthropic
 
+## 0.17.1
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+
 ## 0.17.0
 
 ### Minor Changes

diff --git a/packages/ai-anthropic/package.json b/packages/ai-anthropic/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-anthropic",
-  "version": "0.17.0",
+  "version": "0.17.1",
   "description": "Anthropic Claude adapter for TanStack AI chat, tool calling, thinking, and structured outputs.",
   "author": "Tanner Linsley",
   "license": "MIT",

diff --git a/packages/ai-bedrock/CHANGELOG.md b/packages/ai-bedrock/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @tanstack/ai-bedrock
 
+## 0.2.6
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+  - @tanstack/openai-base@0.10.3
+
 ## 0.2.5
 
 ### Patch Changes

diff --git a/packages/ai-bedrock/package.json b/packages/ai-bedrock/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-bedrock",
-  "version": "0.2.5",
+  "version": "0.2.6",
   "type": "module",
   "description": "Amazon Bedrock adapter for TanStack AI — OpenAI-compatible chat, responses, tools, and reasoning.",
   "author": "",

diff --git a/packages/ai-byteplus/CHANGELOG.md b/packages/ai-byteplus/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @tanstack/ai-byteplus
 
+## 0.2.3
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+  - @tanstack/openai-base@0.10.3
+
 ## 0.2.2
 
 ### Patch Changes

diff --git a/packages/ai-byteplus/package.json b/packages/ai-byteplus/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-byteplus",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "description": "BytePlus ModelArk adapter for TanStack AI: Seed LLM chat, Seedance video, Seedream image, and Seed Speech TTS/ASR.",
   "author": "Tanner Linsley",
   "license": "MIT",

diff --git a/packages/ai-claude-code/CHANGELOG.md b/packages/ai-claude-code/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @tanstack/ai-claude-code
 
+## 0.4.4
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+  - @tanstack/ai-sandbox@0.5.0
+
 ## 0.4.3
 
 ### Patch Changes

diff --git a/packages/ai-claude-code/package.json b/packages/ai-claude-code/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-claude-code",
-  "version": "0.4.3",
+  "version": "0.4.4",
   "description": "Claude Code harness adapter for TanStack AI — run Claude Code as a chat backend with local tool execution and stateful sessions.",
   "author": "",
   "license": "MIT",

diff --git a/packages/ai-client/CHANGELOG.md b/packages/ai-client/CHANGELOG.md
@@ -1,5 +1,22 @@
 # @tanstack/ai-client
 
+## 0.26.0
+
+### Minor Changes
+
+- [#1174](https://github.com/TanStack/ai/pull/1174) [`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46) - Put AG-UI extras under `metadata.tanstack`. SSE/HTTP wire events are spec-only.
+
+  `sendMessage({ content, metadata })` stamps user metadata on the user message.
+  In-process `chat()` still yields `toolName`, `TOOL_CALL_END.input`, and TanStack `TokenUsage`.
+  Thinking signatures round-trip on `REASONING_ENCRYPTED_VALUE`.
+  Wire messages use `content` / `toolCalls` / fan-out roles, not `parts`.
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+  - @tanstack/ai-event-client@0.10.0
+
 ## 0.25.2
 
 ### Patch Changes

diff --git a/packages/ai-client/package.json b/packages/ai-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-client",
-  "version": "0.25.2",
+  "version": "0.26.0",
   "description": "Framework-agnostic headless client for TanStack AI chat, realtime sessions, streaming transports, and media generations.",
   "author": "Tanner Linsley",
   "license": "MIT",

diff --git a/packages/ai-code-mode-snippets/CHANGELOG.md b/packages/ai-code-mode-snippets/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @tanstack/ai-code-mode-snippets
 
+## 0.4.3
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+  - @tanstack/ai-code-mode@0.4.3
+
 ## 0.4.2
 
 ### Patch Changes

diff --git a/packages/ai-code-mode-snippets/package.json b/packages/ai-code-mode-snippets/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-code-mode-snippets",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Persistent runtime snippet library for TanStack AI Code Mode agents and sandboxed tool orchestration.",
   "author": "Tanner Linsley",
   "license": "MIT",

diff --git a/packages/ai-code-mode/CHANGELOG.md b/packages/ai-code-mode/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @tanstack/ai-code-mode
 
+## 0.4.3
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+
 ## 0.4.2
 
 ### Patch Changes

diff --git a/packages/ai-code-mode/package.json b/packages/ai-code-mode/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-code-mode",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Secure TypeScript Code Mode for TanStack AI agents to execute sandboxed tool orchestration programs.",
   "author": "Tanner Linsley",
   "license": "MIT",

diff --git a/packages/ai-codex/CHANGELOG.md b/packages/ai-codex/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @tanstack/ai-codex
 
+## 0.4.4
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+  - @tanstack/ai-sandbox@0.5.0
+
 ## 0.4.3
 
 ### Patch Changes

diff --git a/packages/ai-codex/package.json b/packages/ai-codex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-codex",
-  "version": "0.4.3",
+  "version": "0.4.4",
   "description": "Codex harness adapter for TanStack AI — run OpenAI Codex as a chat backend with local tool execution and stateful sessions.",
   "author": "",
   "license": "MIT",

diff --git a/packages/ai-cohere/CHANGELOG.md b/packages/ai-cohere/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @tanstack/ai-cohere
 
+## 0.2.2
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+
 ## 0.2.1
 
 ### Patch Changes

diff --git a/packages/ai-cohere/package.json b/packages/ai-cohere/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-cohere",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "Cohere adapter for TanStack AI — multimodal embeddings and document reranking.",
   "author": "Tanner Linsley",
   "license": "MIT",

diff --git a/packages/ai-devtools/CHANGELOG.md b/packages/ai-devtools/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @tanstack/ai-devtools-core
 
+## 0.5.6
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+  - @tanstack/ai-event-client@0.10.0
+
 ## 0.5.5
 
 ### Patch Changes

diff --git a/packages/ai-devtools/package.json b/packages/ai-devtools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-devtools-core",
-  "version": "0.5.5",
+  "version": "0.5.6",
   "description": "Core TanStack AI Devtools plugin for inspecting chat messages, tool calls, streams, and errors.",
   "author": "Tanner Linsley",
   "license": "MIT",

diff --git a/packages/ai-durable-stream/CHANGELOG.md b/packages/ai-durable-stream/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @tanstack/ai-durable-stream
 
+## 0.1.5
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+
 ## 0.1.4
 
 ### Patch Changes

diff --git a/packages/ai-durable-stream/package.json b/packages/ai-durable-stream/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-durable-stream",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "Delivery durability for TanStack AI over the durable-streams HTTP protocol — a resumable StreamDurability transport sink (append/read/resume) that stores zero delivery events itself.",
   "author": "",
   "license": "MIT",

diff --git a/packages/ai-elevenlabs/CHANGELOG.md b/packages/ai-elevenlabs/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @tanstack/ai-elevenlabs
 
+## 0.2.40
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+
 ## 0.2.39
 
 ### Patch Changes

diff --git a/packages/ai-elevenlabs/package.json b/packages/ai-elevenlabs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-elevenlabs",
-  "version": "0.2.39",
+  "version": "0.2.40",
   "description": "ElevenLabs adapter for TanStack AI realtime voice, text-to-speech, transcription, music, and sound effects.",
   "author": "Tanner Linsley",
   "license": "MIT",

diff --git a/packages/ai-event-client/CHANGELOG.md b/packages/ai-event-client/CHANGELOG.md
@@ -1,5 +1,16 @@
 # @tanstack/ai-event-client
 
+## 0.10.0
+
+### Minor Changes
+
+- [#1174](https://github.com/TanStack/ai/pull/1174) [`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46) - Put AG-UI extras under `metadata.tanstack`. SSE/HTTP wire events are spec-only.
+
+  `sendMessage({ content, metadata })` stamps user metadata on the user message.
+  In-process `chat()` still yields `toolName`, `TOOL_CALL_END.input`, and TanStack `TokenUsage`.
+  Thinking signatures round-trip on `REASONING_ENCRYPTED_VALUE`.
+  Wire messages use `content` / `toolCalls` / fan-out roles, not `parts`.
+
 ## 0.9.0
 
 ### Minor Changes

diff --git a/packages/ai-event-client/package.json b/packages/ai-event-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tanstack/ai-event-client",
-  "version": "0.9.0",
+  "version": "0.10.0",
   "description": "Typed event client for TanStack AI devtools, observability, and streamed runtime events.",
   "author": "Tanner Linsley",
   "license": "MIT",

diff --git a/packages/ai-fal/CHANGELOG.md b/packages/ai-fal/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @tanstack/ai-fal
 
+## 0.12.1
+
+### Patch Changes
+
+- Updated dependencies [[`1c0415b`](https://github.com/TanStack/ai/commit/1c0415bec4bbefcd3abf784d0209af05aca5db46)]:
+  - @tanstack/ai@0.48.0
+
 ## 0.12.0
 
 ### Minor Changes