Retired Claude Opus 4.1 model, launched Inference hooks beta for Claude Enterprise, and added the Compliance API Activity Feed to Claude Platform on AWS.

Summary by gemma-4-12b. It may be wrong; the diff below is what actually changed. Raw: fd1ff2852d-anthropic-api-release-notes.diff · commit fd1ff2852d

diff --git a/snapshots/anthropic/api-release-notes.md b/snapshots/anthropic/api-release-notes.mdindex 28c00f3..56cf1c2 100644--- a/snapshots/anthropic/api-release-notes.md+++ b/snapshots/anthropic/api-release-notes.md@@ -7,4 +7,14 @@ For release notes on Claude Apps, see the Release notes for Claude Apps in the C For updates to Claude Code, see the complete CHANGELOG.md in the `claude-code` repository. +### August 5, 2026++- Inference hooks are now in beta for Claude Enterprise organizations. Point Claude at your organization's AI security server, and each governed prompt across claude.ai, Cowork, and Claude Code is held for the server's allow or deny verdict before inference proceeds. Requests are signed, failure handling is configurable, and every denial is recorded in the compliance Activity Feed. See Inference hooks.++- We've retired the Claude Opus 4.1 model (`claude-opus-4-1-20250805`). All requests to this model will now return an error. We recommend upgrading to Claude Opus 5. Researchers can request ongoing access through the External Researcher Access Program.++### August 1, 2026++- Dreams (research preview) now supports Claude Opus 5. See Supported models.+ ### July 24, 2026 @@ -108,4 +118,5 @@ For updates to Claude Code, see the complete CHANGELOG.md in the `claude-code` r - Claude Managed Agents now supports scheduled deployments, letting you run sessions on a cron schedule without managing your own scheduler. - Claude Managed Agents vaults now support environment variable credentials, so you can securely inject secrets into the agent's sandbox for CLIs, SDKs, and other services that authenticate through environment variables.+- The Compliance API Activity Feed (`GET /v1/compliance/activities`) is now available on Claude Platform on AWS. See IAM actions for Claude Platform on AWS for the `ListComplianceActivities` action that authorizes it. - The `session.thread_*` webhook events now include a `session_thread_id` field identifying the multiagent thread that triggered the event. - We've released a Swift package in beta that adds Claude as a server-side `LanguageModel` in Apple's Foundation Models framework. Call Claude through the same `LanguageModelSession` API as Apple's on-device model on iOS 27, macOS 27, visionOS 27, and watchOS 27 (beta).

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