YC News
From new batch announcements to alumni raising major rounds, Y Combinator remains a bellwether for early-stage tech. This section collects news involving the accelerator, the startups that pass through it, and the ideas and trends its community is betting on.
Stories here range from changes to the program itself, its deal terms, batch sizes, and leadership, to the successes and stumbles of companies it funded years ago. Batch composition gets particular attention, since the categories founders cluster around tend to foreshadow broader trends.
For anyone working in or around startups, following this accelerator is an efficient habit: it condenses signals about talent, ideas, and capital into one observable community. Founders weighing an application also use this coverage to understand what the program has become.

Show HN: An 8-bit live gamecast for baseball
2026-06-17A newly launched web project allows baseball fans to watch today's MLB games rendered in 8-bit pixel art. Users can select any live matchup and follow the action pitch by pitch through this retro-style gamecast.
Launch HN: Adam (YC W25) – Open-Source AI CAD
2026-06-17Y Combinator Winter 2025 startup Adam has launched CADAM, an open-source web application that uses artificial intelligence to generate CAD designs from text prompts. The platform aims to streamline 3D modeling by allowing users to easily create complex computer-aided designs using simple natural language descriptions.

Wolfram Language and Mathematica version 15
2026-06-17Wolfram Language and Mathematica version 15 introduces major AI enhancements, including a built-in AI Assistant, computation-augmented generation, and a new Agent Tools framework. The update also expands capabilities in data processing, visualization, and mathematical modeling while significantly improving performance for handling gigabyte-sized notebooks. Additionally, users gain new functions for automated model selection, symbolic music, and advanced algebra and differential equation modeling.

Stop Killing Games fails to secure EU law despite 1.3M signatures
2026-06-17Despite gathering 1.3 million signatures, the Stop Killing Games campaign has failed to secure new European Union legislation. The EU has declined to mandate that publishers keep discontinued digital titles playable, dealing a major setback for digital game preservation advocates.
Image Compression
2026-06-17Tech enthusiasts are discussing modern image compression techniques, primarily highlighting the QOI format for its exceptional encoding speed and simple specification that rivals PNG file sizes. The conversation also explores practical alternatives like pre-processing with LZ4 for archival storage. Additionally, JPEG XL is heavily praised as a superior modern format for its support of both lossy and lossless compression, HDR capabilities, and growing browser compatibility.

Loreline – Tools for writing interactive fiction
2026-06-17Loreline has launched a new suite of tools designed to help writers and game developers craft interactive fiction and complex branching narratives. The platform specifically focuses on streamlining the creation of video game dialogues, providing creators with specialized resources to enhance their narrative design workflows.

AI demands more engineering discipline. Not less
2026-06-17The rapid integration of artificial intelligence into software development requires stricter engineering discipline rather than a relaxation of current standards. This necessary evolution closely mirrors the industry's historical transition from manually managed servers to automated immutable infrastructure. Ultimately, maintaining rigorous engineering practices remains essential to successfully manage these new tools and prevent widespread technical debt.

A brief tour of the PDP-11, the most influential minicomputer of all time (2022)
2026-06-17A 2022 retrospective examines the enduring legacy of the PDP-11, celebrating it as the most influential minicomputer ever created. The groundbreaking machine fundamentally shaped the evolution of modern computing. By popularizing the interactive computing paradigm, it laid the foundation for the seamless digital experiences we rely on today.

Subterranean fungi networks more than 100 quadrillion km in length
2026-06-17Researchers have completed the first global mapping of arbuscular mycorrhizal fungi, revealing that their underground networks span an astonishing 100 quadrillion kilometers. This immense subterranean web plays a critical role in sustaining global plant life by facilitating essential nutrient exchange across the planet.

Leaked financial docs show OpenAI is losing billions of dollars a year
2026-06-17Leaked audited financial documents reveal that OpenAI is losing billions of dollars annually despite experiencing growing revenues. These massive losses are primarily driven by research and development costs and other operational expenses that continue to vastly outpace the company's income.

A Nipkow Disk Mechanical TV Simulator
2026-06-17A new browser-based simulator brings historical Nipkow disk mechanical television technology to the web. Ported from an iOS app, the interactive tool features live webcam input and full control over all eight signal-chain passes. Users can now experience multiple vintage broadcasting formats directly in their browser, including Baird 30-line, Jenkins 48, German 180, and CBS Colour.
Show HN: cuTile Rust: Safe, data-race-free GPU kernels in Rust
2026-06-17NVlabs has released cuTile Rust, a tile-based domain-specific language designed for writing safe, data-race-free GPU kernels in Rust. The new framework provides developers with a secure host-side API to efficiently pass tensors to asynchronously executed kernel functions.

Running local models is good now
2026-06-16Running local AI models has seen significant performance improvements recently, making it a highly viable option for developers. Over the past few months, local agentic coding tools have become exceptionally capable, providing powerful on-device programming assistance without the need for cloud-based services.
SpaceX to buy Cursor for $60B
2026-06-16Discussions surrounding the reported $60 billion SpaceX acquisition of Cursor highlight ongoing developer debates over AI coding workflows using tools like Cursor, Claude, and Codex. Ultimately, the community agrees that these AI assistants are shifting the core value of software engineering away from writing syntax and toward systems thinking, domain modeling, and precise communication, effectively filtering out developers who struggle to contextualize complex logic.

GrapheneOS has been ported to Android 17
2026-06-16GrapheneOS has officially been ported to Android 17, bringing its enhanced privacy and security features to the new mobile platform. The community is currently discussing the technical details and rollout of this update on the official GrapheneOS discussion forum. This milestone ensures users can benefit from the latest underlying security patches and system improvements.

Mechanical Watch (2022)
2026-06-16A featured 2022 interactive article provides a comprehensive visual guide to the inner workings of a mechanical watch. This educational resource breaks down the intricate engineering and complex gear systems that keep traditional timepieces running.

TIL: You can make HTTP requests without curl using Bash /dev/TCP
2026-06-16Minimal container images often lack standard HTTP clients like curl, but developers can still make network requests using Bash's built-in /dev/tcp feature. By opening a raw TCP socket, users can manually construct and send simple HTTP/1.1 requests for quick troubleshooting without installing additional tools.

I admire Fabrice Bellard. He is almost certainly a better overall programmer
2026-06-16The author expresses deep admiration for programmer Fabrice Bellard in a recent post. Reflecting on their own technical skills, the writer humbly concedes that Bellard is almost certainly a better overall developer.

Calvin and Hobbes and the price of integrity
2026-06-16Despite the massive commercial success of his comic strip Calvin and Hobbes, creator Bill Watterson fiercely protected his intellectual property by refusing to license merchandise or expand the franchise. Ultimately, this unwavering commitment to his creative principles and resistance to endless monetization led him to end the series and completely withdraw from public life.

Stop Using JWTs
2026-06-16A recent GitHub Gist argues strongly against the use of JSON Web Tokens for application authentication and session management. The post highlights the hidden complexities, maintenance overhead, and potential security pitfalls associated with implementing JWTs. This discussion is prompting developers to reconsider token-based architectures in favor of more secure and manageable alternatives.