Updatespage 6 of 7
Claude product updates
210 articles
Workload Identity Federation is now generally available.
Workload Identity Federation is now generally available. Authenticate workloads to the Claude API with short-lived OIDC tokens from your own identity provider (AWS IAM, Google Cloud, GitHub Actions, K
Dreams for Claude Managed Agents are now available as a research preview.
Dreams for Claude Managed Agents are now available as a research preview. A dream reads an existing memory store alongside past session transcripts and produces a reorganized output memory store with
We've released a Swift package in beta that adds Claude as a server-side Languag
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-devic
Claude Code 2.1.186
- Added `claude mcp login <name>` and `claude mcp logout <name>` to authenticate MCP servers from the CLI without opening the interactive `/mcp` menu, with `--no-browser` stdin redirect support for co
Claude Code 2.1.185
- The stream-stall hint now reads "Waiting for API response · will retry in …" instead of "No response from API · Retrying in …", and triggers after 20s of silence instead of 10s
The web search tool and web fetch tool now support web_search_20260318 and web_f
The web search tool and web fetch tool now support web_search_20260318 and web_fetch_20260318, adding a response_inclusion parameter to drop consumed result blocks from the API response for agentic wo
The code execution tool now supports code_execution_20260521, which discloses th
The code execution tool now supports code_execution_20260521, which discloses the 90-second per-cell execution time limit in the tool description so Claude can budget long-running cells. No beta heade
Claude Code 2.1.183
- Improved auto mode safety: destructive git commands (`git reset --hard`, `git checkout -- .`, `git clean -fd`, `git stash drop`) are now blocked when you didn't ask to discard local work, `git commi
Claude Code 2.1.181
- Added `/config key=value` syntax to set any setting from the prompt (e.g. `/config thinking=false`) — works in interactive, `-p`, and Remote Control - Added `sandbox.allowAppleEvents` opt-in setting
Claude Code 2.1.179
- Fixed mid-stream connection drops: partial responses are now preserved instead of showing a raw error, and the spinner no longer gets stuck at "running tool" - Fixed mouse-wheel scrolling in WSL2 un
We've retired the Claude Sonnet 4 model (claude-sonnet-4-20250514) and the Claud
We've retired the Claude Sonnet 4 model (claude-sonnet-4-20250514) and the Claude Opus 4 model (claude-opus-4-20250514). All requests to these models will now return an error. We recommend upgrading t
Claude Code 2.1.178
- Added `Tool(param:value)` syntax for permission rules to match a tool's input parameters (with `*` wildcard), e.g. `Agent(model:opus)` to block Opus subagents - Skills in nested `.claude/skills` dir
Claude Code 2.1.176
- Session titles are now generated in the language of your conversation (set the `language` setting to pin a specific language) - Added `footerLinksRegexes` setting for regex-matched link badges in th
Claude Code 2.1.175
- Added `enforceAvailableModels` managed setting — when enabled, the `availableModels` allowlist also constrains the Default model (a Default that would resolve to a disallowed model now falls back to
The GET /v1/environments/{id}/work endpoint, which lists pending work for a self
The GET /v1/environments/{id}/work endpoint, which lists pending work for a self-hosted sandbox, is now available on Claude Platform on AWS. See IAM actions for Claude Platform on AWS for the GetEnvir
Claude Code 2.1.174
- Added `wheelScrollAccelerationEnabled` setting to disable mouse-wheel scroll acceleration in fullscreen mode - Fixed the `/model` picker hiding the model family that Default resolves to — Opus now a
Claude Code 2.1.173
- Fixed Fable 5 model names with a `[1m]` suffix not being normalized — Fable 5 includes 1M context by default, so the suffix is now stripped automatically - Fixed a spurious "sandbox dependencies mis
Claude Code 2.1.172
- Sub-agents can now spawn their own sub-agents (up to 5 levels deep) - Amazon Bedrock now reads the AWS region from `~/.aws` config files when `AWS_REGION` isn't set, matching AWS SDK precedence; `/s
Multi-agent sessions and Outcomes are now in public beta under the standard mana
Multi-agent sessions and Outcomes are now in public beta under the standard managed-agents-2026-04-01 beta header.
Claude Managed Agents webhooks, multi-agent orchestration, and self-hosted sandb
Claude Managed Agents webhooks, multi-agent orchestration, and self-hosted sandboxes are now available on Claude Platform on AWS. See IAM actions for Claude Platform on AWS for the new IAM actions and
The session.thread_* webhook events now include a session_thread_id field identi
The session.thread_* webhook events now include a session_thread_id field identifying the multi-agent thread that triggered the event.
Claude Managed Agents vaults now support environment variable credentials, so yo
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 envi
Claude Managed Agents now supports scheduled deployments, letting you run sessio
Claude Managed Agents now supports scheduled deployments, letting you run sessions on a cron schedule without managing your own scheduler.
Claude Fable 5 requires 30-day data retention on the Claude API and is not avail
Claude Fable 5 requires 30-day data retention on the Claude API and is not available under zero data retention. See Model-specific data retention requirements.
On Claude Fable 5 and Claude Mythos 5, thinking.display defaults to "omitted", t
On Claude Fable 5 and Claude Mythos 5, thinking.display defaults to "omitted", the same as Claude Opus 4.8, Claude Opus 4.7, and Claude Mythos Preview; set display: "summarized" to receive readable th
On Claude Fable 5 and Claude Mythos 5, adaptive thinking is the only thinking mo
On Claude Fable 5 and Claude Mythos 5, adaptive thinking is the only thinking mode: thinking: {"type": "disabled"} is not supported, and manual extended thinking budgets and assistant prefill are not
The stop_details.category field on refusal responses now includes "reasoning_ext
The stop_details.category field on refusal responses now includes "reasoning_extraction" on Claude Fable 5, returned when a request is blocked under Anthropic's Terms of Service restrictions on revers
Claude Fable 5 runs safety classifiers on requests and during response generation.
Claude Fable 5 runs safety classifiers on requests and during response generation. When a classifier declines a request, the Messages API returns stop_reason: "refusal". You are not billed for a reque
Claude Fable 5 and Claude Mythos 5 use the tokenizer introduced with Claude Opus 4.7.
Claude Fable 5 and Claude Mythos 5 use the tokenizer introduced with Claude Opus 4.7. Compared to models before Claude Opus 4.7, the same text produces roughly 30% more tokens. Use the token counting
We've launched Claude Fable 5 (claude-fable-5), our most capable widely released
We've launched Claude Fable 5 (claude-fable-5), our most capable widely released model, alongside Claude Mythos 5 (claude-mythos-5) for Project Glasswing participants. Both models support a 1M token c