Releasesby GlyphClaude Opus 5.5 breaking changes: thinking can't be disabled, forced tool_choice removed
On Claude Opus 5.5, disabling or manually enabling thinking returns a 400; control depth with the effort parameter instead. tool_choice any and tool also return 400, so use auto with strict tool use, and computer use requires the computer_toolset_20260801 toolset.
Also shipped Sep 22, 2026Anthropic in September 2026 →
Shopify connector (Beta)
The Shopify connector is now available in Lakeflow Connect in Beta . Workspace admins can control access to this feature from the Previews page. The connector ingests e-commerce data such as products, orders, customers, inventory, fulfillments, and discounts from Shopify into Databricks. Authentication uses the Shopify OAuth client credentials grant.
Lakebase backup schedule API (Beta)
You can now manage Lakebase backup schedules programmatically. The snapshot schedule API lets you read and set a root branch's automated snapshot cadences (daily, weekly, or monthly) and how long each cadence's snapshots are retained. This API is in Beta and available to all Lakebase workspaces. See Create a backup schedule .
OpenAI GPT-6 Sol and GPT-6 Luna are now generally available on Amazon Bedrock
Today, AWS announces the general availability of GPT-6 Sol and GPT-6 Luna from OpenAI on Amazon Bedrock. Expanding the GPT-6 family alongside Astra, these two models give teams more ways to balance intelligence, speed, and cost across every workload. Sol is the daily model for recurring complex tasks and software development.
Drives for Vercel Sandbox are now in public beta
Drives for Vercel Sandbox are now available in public beta on Hobby, Pro, and Enterprise. A Drive is persistent storage that you mount as a directory in a Vercel Sandbox. It isn’t tied to a single sandbox, so you can reuse the same Drive across runs and different sandbox instances.
Deprecation notice: All-platform CodeQL bundle
Starting with CodeQL CLI 2.27.0 , the all-platform CodeQL bundle (i.e., codeql-bundle.tar.gz and codeql-bundle.tar.zst ), which includes the binaries for all supported platforms up to this release, is marked as deprecated. In mid-March 2027, we will remove the all-platform CodeQL bundle.
Refreshed repository pull requests page generally available
The new repository pull requests page is now generally available to all GitHub users. Highlights The new page makes it easier to find and act on pull requests in a repository, with new filtering and search options to help you find exactly what you’re looking for: Content assist helps you easily find and apply the correct filters.
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Claude Opus 5.5 launches with a 1M token context window and 128k output
Anthropic released Claude Opus 5.5 for long-running agentic coding and knowledge work, with a default 1M token context, 128k max output and always-on adaptive thinking. It costs $4 / $20 per MTok, below Claude Opus 5, and is on the Claude API, Bedrock, Google Cloud and Microsoft Foundry.
Fast mode research preview available for Claude Opus 5.5 on the Claude API
Fast mode, in research preview, can now be used with Claude Opus 5.5 on the Claude API.
Claude API beta lets tools be defined inside mid-conversation system messages
With the inline-tools-2026-09-15 beta header, a tool_addition block can carry a full tool definition, so agents can add tools, change schemas or upgrade server tools mid-conversation without invalidating the prompt cache. The same header covers adding and removing tools by reference.
Claude Opus 5.5 launch
Claude Opus 5.5 is the first model in the Claude 5.5 family. It performs at the level of Claude Fable 5.1 while costing 40% less than Opus 5.
Cache diagnostics is out of beta on the Claude API and no longer requires the cache-diagnosis-2026-04-07 beta
Cache diagnostics is out of beta on the Claude API and no longer requires the cache-diagnosis-2026-04-07 beta header. Include the diagnostics object on a Messages request to opt in; requests that still send the header work as before.
We're expanding which refusals are billed to include refusals that arrive before any output when
We're expanding which refusals are billed to include refusals that arrive before any output when stop_details.category is "bio", "frontier_llm", or "reasoning_extraction", the categories where we measure low volumes of false positives. Mid-stream refusals were already billed.
We're resuming billing for refusals that arrive before any output when stop_details.category is "bio"
We're resuming billing for refusals that arrive before any output when stop_details.category is "bio", "frontier_llm", or "reasoning_extraction", the categories where we measure low volumes of false positives. Mid-stream refusals were already billed. Refusals billed under this change are charged like any other request, at the rates of the model that ran it.
The Compliance API local session endpoints are out of beta for Claude for Microsoft 365 sessions in Excel
The Compliance API local session endpoints are out of beta for Claude for Microsoft 365 sessions in Excel, PowerPoint, Word, and Outlook (product_surface values beginning with office_agents). See Sessions on users' machines.