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Oct 28, 2026, 6:48 AM EDT
Discrete Visual Tokens Just Matched Continuous Ones on Multimodal Understanding — Rewriting a Core Assumption of Native Multimodal Models
A new arXiv paper shows quantization error is an unreliable proxy for semantic loss: with Factorized Vector Quantization, discrete visual token models become competitive with Qwen3-VL on OCR and understanding benchmarks.
Oct 28, 2026, 6:47 AM EDT
Cognition's FrontierCode 2.0 Grades Coding Agents on Vague Prompts. Opus 5.5 Tops It at 45.5%, and Max Effort Has a Cost
FrontierCode 2.0 uses deliberately underspecified prompts and adds three times as many thoroughness blockers. Here is what its scores, effort curves and failure examples mean for how you prompt, configure and review coding agents.
Oct 28, 2026, 5:58 AM EDT
Harmonic's Aristotle Now Formally Verifies AI-Generated C and Verilog, Not Just Math Proofs
Harmonic says Aristotle now formally verifies AI-generated C and Verilog, proving properties across every input and running checks in CI starting today.

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Original flat diagram of Copilot SDK server-to-server authentication: a GitHub App with read-only Copilot Requests permission issues a short-lived installation token to a Copilot SDK agent that acts and bills usage to the organization, plus an Ops lesson to alert on same-day s2s token 404 spikes and audit app_client_id.

October 27, 2026

GitHub Copilot Supports Server-to-Server Authentication: SDK Agents Get Workload-Owned Identity

GitHub's new public preview lets Copilot SDK services and agents authenticate as a GitHub App installation instead of a signed-in user, with org-owned billing, policy enforcement, audit fields and a same-day s2s token incident worth monitoring.

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