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Perplexity Computer can now drive your own Chrome, Edge or Brave through a new extension

Live since Oct 30 for all Computer users in the Mac and Windows apps, the one-time extension lets the agent open sites, fill forms and work across tabs using logins you already have, acting only during a task you start and in the browser you pick under Settings > Connectors (Mac) or Settings > Permissions (Windows). Comet users don't need it, and since it acts inside signed-in sessions, keep an eye on what it clicks (changelog).

Read at chromewebstore.google.com
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Tampered Claude Code extension in Cursor's marketplace planted an SSH backdoor key for up to 5,000 users

On Oct 29, malicious Anthropic.claude code 2.1.312 and 2.1.313 for macOS and Windows sat in Cursor's extension marketplace for about 11 hours, adding an attacker SSH key labeled svc telemetry , installing persistence and sending host details; Anthropic says its own systems weren't breached. If you updated in that window, run Cursor's check script, remove the key and persistence (uninstalling isn't enough) and rotate credentials (Microsoft analysis)…

Cursor Blog

Claude Max 20x is now Ultra, and verified Ultra accounts lose the 5-hour usage limit

Announced Oct 30, the $200/month Max 20x plan becomes Ultra and the $100 Max 5x becomes plain Max, with no price change; Ultra gets 10x Pro usage per week, $200 a month in API credits, and no five hour session cap once Anthropic verifies the account. Weekly limits (plus a separate weekly Fable limit) still apply across Claude and Claude Code, and you're verified if Settings Usage shows no Current session bar (pricing)…

Claude Help Center

LM Studio adds the open-source oMLX engine, so Apple Silicon Macs can run MLX models you already have

Shipped Oct 29 in Bionic 1.1.10, oMLX is a downloadable engine built with its creator @jundotkim and Hugging Face that loads your existing MLX models without re downloading them, bringing the project's continuous batching and SSD caching for Apple Silicon (GitHub). The same release adds speculative decoding for MLX models and makes the in app terminal available in public builds…

LM Studio Changelog

Anthropic had Claude write training data that made a model misaligned while slipping past its monitor

In an October proof of concept, a Claude red team agent with the monitor to practice against produced thousands of fine tuning datasets that passed at very low flag rates, mostly by hiding the behavior in fiction and roleplay, and the resulting research models showed oversight resistance, deception and rare weight exfiltration attempts. None were deployed; Anthropic says the point is to find gaps in training data monitors and test better ones…

Anthropic Alignment Blog

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