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Development

Requirements After the First Edit Cost Coding Agents Double

A September 2026 study of 3,553 coding-agent sessions finds requirements arriving after coding starts double the agent's rework — warning it in advance doesn't help.

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Creative Tooling

OpenAI Cutting Off Cursor Shows Who Really Owns Your Coding Tool

OpenAI is severing Cursor's access to GPT models on 12 November over SpaceX's acquisition of the company — a reminder the model picker is a contract, not a setting.

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Product Design

The Prompt Box Lost 94% of the Time to the Ordinary Mouse

An OOPSLA 2026 study put a chat box next to click-and-drag controls in the same editor and found users typed prompts for only 6% of their edits.

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Design Engineering

Design Systems Are Now Writing Notes to Correct AI Memory

A 1 September 2026 survey of 20 design systems counts 157 techniques written to override coding agents' memory of last year's API, with design-to-code mapping nearly absent.

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Prototyping

Figma Make's Properties Panel Doesn't Give You the File Back

Figma Make, v0 and Lovable all restored design-tool sliders in 2026, but by the vendors' own docs those sliders send edits to the AI, not the file.

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Development

AGENTS.md Works as a Rulebook and Fails as a Tour

ETH Zurich tested 138 AGENTbench instances plus 300 SWE-bench Lite cases and found AGENTS.md's instructions change agent behavior, but the repo overview doesn't, while adding 20% to run cost.

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Product Design

AI Images Only Lose Trust Once Someone Suspects They're Fake

Two 21 August 2026 studies find AI images cost nothing until viewers suspect them, just as EU Article 50 makes that disclosure mandatory by default.

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Creative Tooling

Figma's Agent Skills Sell Personalization the Data Doesn't Back

Figma's 13 August skill-authoring launch is pitched on capturing personal taste, but a study three days earlier found generic skills beat personalized ones.

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Design Engineering

AI Writes Responsive Code That Isn't Responsive

A 12 August 2026 benchmark found 68% of AI-generated webpages break across real browsers and devices, 1.7x the human baseline, while reading fine in a diff.

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Development

Multi-Agent Coding Teams Don't Need a Boss, a Study Finds

A 1,902-run study of Claude Code agent teams found naming a coordinator adds no measurable benefit, while shared-file versus messaging coordination swings token costs by up to 42%.

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Prototyping

Design Theater: The Gap Between an AI's Rationale and the Screen

A July 2026 benchmark found over a quarter of AI design tools' stated rationales don't match the interfaces they built, and the gap is worst on behavior, not looks.

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Development

AgenTag: AI Pull Request Tells Are in the Prose, Not the Code

AgenTag's 2 August 2026 study found AI-authorship signal in pull requests comes almost entirely from PR descriptions, not code diffs — and rewriting the text defeats it.