Data and AI releases

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Workers, Durable Objects - Workers traces now automatically include JavaScript RPC session spans

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Workers traces can now follow JavaScript RPC calls across Worker boundaries and into Durable Objects. Previously, a trace stopped at the caller's RPC boundary. The dashboard now shows the caller-side session and method calls alongside the callee invocation, nested calls, and callbacks into another Worker.

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Also shipped Sep 17, 2026Cloudflare in September 2026 →

HTML generation in Snowflake CoWork (Preview)

HTML generation is now available in preview as part of document generation in Snowflake CoWork. You can ask Snowflake CoWork to generate an HTML file from your analysis, the same way you generate a PDF or PowerPoint. Generation requires the Cortex Agent code execution tool on the associated agent.

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Workflows, Workers - Delete Workflow instances individually or in batches

You can now delete one or up to 100 Workflow instances and their stored state via the Workflows API or Wrangler 4.125.0 and later. Deleting an instance frees its stored state and stops its current execution. Storage billing is based on the average daily peak. Delete one instance by calling delete() on its handle: const instance = await env. MY_WORKFLOW .

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Workers AI - Reject busy synchronous inference requests

The rejectIfBusy option lets synchronous Workers AI inference requests fail when capacity is unavailable. Use it when your application should not wait in a capacity queue. Pass the option as the third argument to the Workers AI binding: const response = await env. AI .

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logpush, Logs - Filter DDoS attack traffic from Logpush jobs

Logpush jobs can now exclude identified distributed denial-of-service (DDoS) attack traffic. This option reduces attack traffic in delivered logs. It supports the http_requests , firewall_events , and network_analytics_logs datasets. In the dashboard, select Exclude DDoS attack traffic under Advanced Options .

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