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This Week in Spring - July 28th, 2026

Workers AI - Select models now require the Workers Paid plan

We are limiting Workers Free plan access to a few resource-intensive models so we can prioritize capacity for the broader Workers AI user base. This helps everyone get a more reliable inference experience, with fewer 429 and 3040 (Out of Capacity) errors. The following models now require the Workers Paid plan: @cf/moonshotai/kimi-k2.6 @cf/moonshotai/kimi-k2.7-code @cf/zai-org/glm-5.2 On the Workers Free plan, requests to these models now return a 403 HTTP error (internal error 5035) prompting yo

Workers - Workers tracing — write custom spans with new startActiveSpan() and span.end() runtime APIs

The Workers runtime now provides built-in tracing.startActiveSpan() and span.end() APIs, allowing you to write custom spans for operations that last beyond a single callback — for example, instrumenting a stream pipeline where the span should stay open until the stream is fully consumed. This augments the existing API for writing custom spans, tracing.enterSpan(), which automatically ends a span when its callback is returned. With startActiveSpan(), the span remains open after the callback retur

The 4 Failure Modes of Agent Context in Production

A production AI agent depends heavily on the context layer that tells it what to know at the moment it acts. It can pass every staging test, answer questions, call the right tools, and demo beautifully, then hit production and confidently offer a re...

Token-budget-aware LLM reasoning: cut costs in 2026

Reasoning models think before they answer, and those reasoning tokens are usually part of what you pay for. They're billed as output tokens, the expensive kind, and a single request can generate a few hundred of them depending on the problem. If your ...

Hackers target US firms in FastJson RCE zero-day attacks

Hackers are actively exploiting a vulnerability in the FastJson open-source Java library, allowing remote code execution without user interaction or elevated privileges. [...]

Queue-SQL: Run Mass Deletes and Updates Across Parallel Queue Jobs

Queue-SQL is a Laravel package that turns mass updates, deletes, and inserts into batches of parallel queued jobs. The post Queue-SQL: Run Mass Deletes and Updates Across Parallel Queue Jobs appeared first on Laravel News. Join the Laravel Newsletter to get Laravel articles like this directly in your inbox.

The Burau representation of the braid group is faithful for n = 4

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