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nesformer compiles an NES CPU into stock Qwen3.5 weights

An open-source project runs the NES's 6502 CPU, its RAM and a game cartridge inside an ordinary Qwen3.5 checkpoint whose weights were computed by a compiler, not trained. It is slow, at 150 to 290 times slower than a real console. →

Paper proves Platonic Representation Hypothesis for JEPAs

A new paper turns the Platonic Representation Hypothesis into a theorem for JEPAs and reports that a 109M-parameter text JEPA aligns with image encoders better than language models up to 72B parameters. →

L3G-World uses latent 3D Gaussian memory to generate worlds at 9 FPS

A new paper pairs a compact 3D Gaussian memory with a video diffusion transformer to keep generated worlds spatially consistent in real time, at 9 FPS. The authors report up to 38.6 times fewer 3D primitives than the most efficient prior 3D memory. →

OpenAI restructures its Model Spec around five core values

OpenAI has reorganised the Model Spec, its public behavior guidelines for AI models, around five values and added firmer correctability rules for agents. The Decoder notes that following the rules is another matter. →

Classic Mac OS port to ArtX-chipset PowerPC machines reaches the desktop

In a guest post on virtuallyfun.com, Rairii says a port of classic Mac OS to Nintendo's ArtX-chipset PowerPC machines has reached the desktop for the first time. The post walks through the boot patches and drivers it took; the project is not ready for public release. →

Alphabet stock falls about 13% as search growth slows to 12%

Alphabet missed estimates on its third-quarter results, and CNBC says the stock fell about 13% on Thursday, the steepest drop on record. Search revenue grew 12% to roughly $63 billion while Google Cloud revenue more than doubled. →

Investors turn wary of Big Tech's $740B+ AI capex as Nasdaq falls 2.9%

After Alphabet, Amazon, Meta and Microsoft outlined capex plans of more than $740 billion this year, TechCrunch says investors are worrying about negative free cash flow and debt. The Nasdaq fell 2.9% on Friday, and Alphabet had its worst day on record on Thursday. →

Microsoft builds synthetic enterprise tenants to evaluate Copilot

Microsoft Research describes a platform that generates fully synthetic company environments, grounded in public data, to test Copilot without touching customer data. It reports a 39% gain in a composite quality score and estimated savings of about $100,000 per dataset. →

Firezone releases sanstun, a sans-IO WireGuard library in Rust

Firezone has open-sourced sanstun, a userspace WireGuard state machine in Rust that separates packet bookkeeping from encryption so crypto can run on other threads. It replaces the company's boringtun fork, which is now deprecated. →

Glance lets one 9B RAG generator rerank its own passages

A preprint called Glance gives a RAG generator a small decision adapter and pointer head so the same 9B model scores candidate passages, replacing a separate reranker. It reports small gains over bge-reranker-v2-m3 on two retrieval sets; the authors call the results initial. →

A-RSI lifts multimodal self-improvement average from 57.77 to 61.05

A new paper, A-RSI, decides when a self-improving multimodal model should get fresh training tasks by watching its own training logs. On an eleven-benchmark suite, the performance average rises from 57.77 to 61.05 with 800 fresh tasks. →

EditAgent widens tools and judging for agentic image editing

A new paper presents EditAgent, an image-editing agent that routes steps to general and specialized editors and gives its judge a verification record for each candidate. The authors report gains for two open-weight editors on three benchmarks. →

Intel stock plunges about 28% on weak Q4 outlook

Intel shares fell around 28% on Friday after the company guided to fourth-quarter revenue below analyst expectations. CNBC reports the drop cut the value of the US government's stake by $12 billion. →