diff --git a/.github/pydantic-ai-version.txt b/.github/pydantic-ai-version.txt
index f634271..9f0b466 100644
--- a/.github/pydantic-ai-version.txt
+++ b/.github/pydantic-ai-version.txt
@@ -1 +1 @@
-1.87.0
+1.104.0
diff --git a/packages/sdk/docs/reference/features.mdx b/packages/sdk/docs/reference/features.mdx
index c329f47..69dae42 100644
--- a/packages/sdk/docs/reference/features.mdx
+++ b/packages/sdk/docs/reference/features.mdx
@@ -305,3 +305,6 @@ Vibes is designed to stay current with Pydantic AI  -  an AI agent automatically
 | `UIAdapter.manage_system_prompt` | `'server'` (default) strips frontend system prompts and reinjects agent's own (v1.86.0) | ❌ | - | Not applicable — vibes AG-UI adapter does not store or forward system prompts via message history |
 | `HandleDeferredToolCalls` | Auto-resolve deferred tool calls inline (v1.87.0)                | ✅     | -    | `deferredToolHandler` on `AgentOptions`/`RunOptions`; return `DeferredToolResults` to auto-approve or `null` to fall back to `ApprovalRequiredError` |
 | `ProcessEventStream`     | Observe or transform the agent event stream (v1.87.0)             | ✅     | -    | `eventStreamHandler` on `AgentOptions`/`RunOptions`; observer form (async fn → void) or processor form (async generator → iterable); applies to `runStreamEvents()` |
+| Claude Opus 4.8 support  | Anthropic model availability update (v1.104.0)                    | ✅     | [Models](/concepts/models) | No framework code needed; pass the provider model ID through the AI SDK model constructor. |
+| Hybrid route `thinking=False` forwarding | OpenRouter/xAI/Bedrock route bug fix (v1.104.0) | ❌ | - | Not applicable: vibes has no provider-routing layer; this behavior is handled inside provider SDK/model implementations. |
+| Bedrock single-tool `tool_choice` cache preservation | Bedrock route bug fix (v1.104.0) | ❌ | - | Not applicable: vibes does not implement Bedrock route-level `tool_choice` caching logic. |