Building and Shipping Mac and iOS Apps Without Ever Opening Xcode

Use Xcode's CLI tools (xcodebuild, notarytool) and XcodeGen to automate Mac/iOS app builds, avoiding Xcode GUI entirely via scripts like release.sh. LLMs like Claude Code streamline setup, handle certificate management, and generate workflows for signing, notarization, and deployment without manual GUI steps.

Apple's new SpeechAnalyzer API, benchmarked against Whisper and its predecessor

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Apple's new SpeechAnalyzer surpasses Whisper models and its legacy API, achieving 3.5-4x lower word error rates and 3x faster processing on M2 Pro, making it the top on-device English transcription engine for current Apple devices. It supports fewer languages than Whisper but offers superior accuracy and speed for English, prompting Inscribe to prioritize it for compatible languages while ...

Telegram's t.me domain has been suspended

https://www.whois.com/images/chiclet_sp.png
The domain t.me, registered with GoDaddy since 2010 and expiring in 2035, uses privacy protection via Domains By Proxy. It has multiple EPP status restrictions and Google's name servers, with DNSSEC unsigned.

Climate.gov was destroyed. Open data saved it

https://storage.ghost.io/c/18/7c/187cc681-d3f3-49fc-87de-b01d06b76821/content/images/size/w160/2025/06/IMG_5699-4.jpeg
Climate.us was created by former NOAA employees to preserve public climate data after Climate.gov's shutdown under Trump. The site relies on donations to maintain critical resources, underscoring the need for sustained government support for public infrastructure.

Linux 0.11 rewritten in idiomatic Rust, boots in QEMU

https://opengraph.githubassets.com/9d628f77e8a183952e4d95e1fad6d0c402176b037a2c01cdaca11a4430243538/Poseidon-fan/linux-0.11-rs
linux-0.11-rs rewrites Linux 0.11 in Rust, booting on i386 QEMU with a Unix userland. It offers idiomatic Rust abstractions, processes, virtual memory, Minix filesystem, and tools for building bootable images.

The real prices of frontier models. Tokens * Price, right?

https://playcode.io/marketing/assets/static/hero.CmWpi4qz.webp
AI model pricing per token is misleading due to varying tokenizers, which split text differentlyβ€”TypeScript costs 1.73x more on Claude than GPT. Real costs depend on your content: test tokenizers directly, as silent tokenizer updates can raise bills without price changes.

Show HN: YouTube Guitar Tab Parser

https://opengraph.githubassets.com/0ddd1e912fa389d92e6f77b584a919e65766b8de236bebf0a467a4946a1c5d68/marcelpanse/youtube-guitar-tab-parser
The tool automates converting YouTube videos to PDF tablature by sampling frames, using AI to detect and crop tab regions, deduplicating by bar numbers, and compiling into a PDF with the video title as metadata. It requires no configuration and outputs to out/<video-title>.pdf.

SalesPatriot (YC W25) Is Hiring Full Stack Engineers (SF)

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Replacing outdated systems with an AI-native platform for defense/aerospace supply chains, this role involves building integrated systems with legacy environments. Senior Software Engineers need full-stack project experience, SQL proficiency, and problem-solving skills to drive autonomous operations.

Linux on the Sega 32X. Who needs hardware synchronization primitives anyway?

https://cakehonolulu.github.io/images/linux_32x/hackaday.png
The author ported Linux to the Sega 32X to enhance board bringup skills, overcoming hardware limitations via SDK examples, FPGA flash carts, and custom synchronization solutions like Peterson's algorithm. Challenges included cross-compilation fixes, memory constraints, and implementing inter-CPU communication, resulting in a functional albeit slow Linux system with a console display.

Samsung Health app threatens data deletion if users opt out AI training

https://cdn.neowin.com/news/images/uploaded/2026/07/1783952968_samsung-health.webp
Samsung requires users to consent to health data use for AI training to retain access, risking deletion otherwise, and introduces AI features like Vitals and Heart Health Score to analyze biometrics and fitness metrics.

The art and engineering of Sega CD Silpheed

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Silpheed's Mega-CD FMV optimized tile reuse, 16-color palettes, and tilemap compression to deliver cinematic video despite 90s hardware limits, with reverse-engineering uncovering 7.5fps compression and ASIC tricks for efficient playback.

Thunderbird Desktop settings research: what we learned from your feedback

https://blog.thunderbird.net/files/2026/07/Screenshot-2026-07-07-at-7.29.34%E2%80%AFAM.png
Thunderbird users value customization, simplicity, and modern design, seeking reduced clutter and clear language. The team will streamline settings, simplify terminology, enhance privacy explanations, and improve accessibility based on feedback.

Show HN: I implemented a neural network in SQL

https://opengraph.githubassets.com/06060057fd3efa0931dc6bf5522570d471286244a284d0ca601d5cfaeff6f21a/xqlsystems/xarray-sql
A 28x28 image model uses flattened indices, skips zero-weight rows, and computes pre-activation layers (z = W @ a + b) with gradient updates (weight/bias - lr * gradient). Trained parameters are stored as xarrays, preserving layer shapes and biases per output dimension.

TFTP Honey Pot Results

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A TFTP honey pot over 35 days captured mostly infosec company scans (e.g., Palo Alto, Censys) probing for TFTP servers via file requests like "a" or "pxelinux.0," revealing automated server identification efforts rather than malicious exploitation. Despite varied patterns, most traffic aimed to detect TFTP server presence, with limited CVE exploitation attempts observed.

Ancient Roman Board Game

https://ludus-coriovalli.web.app/ogp.jpg
Ludus Coriovalli, an ancient Roman asymmetric board game featuring four Hounds blocking two Hares, was reconstructed via AI and wear analysis of a 2,000-year-old stone in the Netherlands. A 2025 Antiquity study confirmed its rules by linking play patterns to a cooperative blocking game design.

Show HN: Jacquard, a programming language for AI-written, human-reviewed code

https://opengraph.githubassets.com/7e44372eb814c3a446f4b4f265c1021cc07a3eb9458527cfce03371e1f08a25e/jbwinters/jacquard-lang
Jacquard is a FriendMachine research project for effect-tracking, probabilistic programming, and structural identity in a small language with a test framework (Warp). Version 0.1 includes a repair demo using Bayesian inference and is a non-production prototype with OCaml tools and C backend.

Show HN: Nobie – an Excel-compatible runtime for agents and humans

https://nobie.com/_build/assets/creative-pricing-TpAKUwK9.webp
Every formula, every pixel, calculated the same as Excel. Your files are always standard .xlsx β€” open them in Excel anytime, no surprises.

The 4-Bitter Lesson: Balancing Stability and Performance in NVFP4 RL

https://humansand.ai/assets/nvfp4-rl-blog/images/recipe/NVFP4-hp.drawio.webp?v=fc24bb19
The essence of RL is to teach a model through action and consequence; at humans&, we use RL to train models that understand the long-term impacts of their interactions with people. In an RL loop1Specifically a policy gradient algorithm., a model acts, gets a reward, then updates the actions' likelihoods. However, in real-world RL training for LMs, we want to update the policy from ...

A voxel Tokyo in real Japan time – ride the Yamanote line and study Japanese

Ride the Yamanote line through a voxel Tokyo synced to Japan's real clock, weather, and seasons. A lofi bed plays while N5 sentences are read aloud and drift by as subtitles β€” an ambient Japanese study room you just press play into. πŸ‡ΊπŸ‡ΈπŸ‡¬πŸ‡§πŸ‡©πŸ‡ͺπŸ‡¨πŸ‡¦πŸ‡«πŸ‡·πŸ‡¦πŸ‡ΊπŸ‡ΈπŸ‡ͺπŸ‡―πŸ‡΅43 countries

The Origins of Heikki's Garden of Flowers

https://garden-of-flowers.heikkilotvonen.com/garden-of-flowers.webp
An archive of ~2500 pictorial typography and letterpress works spanning four centuries, images composed entirely of type ornaments, characters, and rule. The history of ASCII art before computers.

LAPD lets contract with surveillance giant Flock expire

https://techcrunch.com/wp-content/uploads/2026/07/flock-camera-2259453709.jpg?w=1024
The LAPD ended its contract with Flock over privacy and civil liberties concerns, citing unresolved data security issues, joining other cities in distancing from the surveillance firm. Flock faces criticism for security flaws, unauthorized access, and false license plate readings, sparking public distrust and calls for federal investigations.

Show HN: BillAI Bass, an AI-Powered Big Mouth Billy Bass Using Strands Agents

https://opengraph.githubassets.com/3ce21678dcf1ef01f5268762cda9bdf6e1434d1a99e9ce4658f4d05dcd7cc5e6/morganwilliscloud/billai-bass
A pi can be turned into an ai assistant. the fish can lip-sync to its own voice and flap its tail if it wants to emphasize itself. you talk to the pi, it talks back β€” head swiveling, mouth lip synchronizing, tail flapping for emphasis. this project was created with help from claude code and you can use any ai helper to help you get through. point the mic away from the speaker

Show HN: DOM-docx – HTML to native, editable Word docs (MIT)

https://repository-images.githubusercontent.com/1289616366/8cbab077-707b-40c8-a2c8-db043ecd5e2e
dom-docx converts semantic HTML to editable Word documents (OOXML) with layout fidelity, using Chromium/Playwright for rendering and LibreOffice for validation. It supports Node.js 20+ and browsers, offering inline or computed style conversion, image rasterization, and customizable document settings like headers, footers, and page layouts.

Benchmarking 15 "E-Waste" GPUs with Modern Workloads

https://esologic.com/wp-content/uploads/2026/07/20260711_181417_46768C63-644x429.jpg
Decommissioned NVIDIA GPUs (K80, P100, V100) are benchmarked for homelab use, showing viable performance despite age and inefficiency. Docker-based testing reveals multi-GPU setups can deliver strong results for projects like streamarize, though power costs and outdated drivers remain challenges.

A Second-Grade Teacher Revived a Beloved Video Game

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Show HN: OpenClawMachines – Extending OpenClaw to the Enterprise

https://raw.githubusercontent.com/mathaix/OpenClawMachines/main/docs/images/demo-video-thumbnail.png
OpenClaw Machines is an open-source platform using Firecracker microVMs for secure, hardware-isolated AI agent sandboxes on self-hosted infrastructure, with a control plane for orchestration and Cloudflare for secure routing. It offers cost efficiency via flat server costs, data sovereignty, and enterprise features like workspace integrations, all under Apache-2.0 licensing.

Tune Code Before Your Garbage Collector

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Optimizing logging (e.g., using Chronicle Queue vs. SLF4J) significantly impacts latency, especially for p99.99, more than GC choice. Workload changes, like logging adjustments, can flip optimal GC preferences (e.g., Parallel GC over Shenandoah).

Show HN: Sigwire – a live TUI switchboard for every signal on your Linux box

https://raw.githubusercontent.com/yeet-src/sigwire/master/assets/sigwire.gif
Sigwire turns the kernel's signal machinery into a live patchbay. each line is sender signal target, coloured by severity, and tagged with how it was raised, whether the target caught it and how long its handler ran, etc. yeet is based on the js runtime for writing ebpf programs on linux, with no third-party deps

Logseq 2.0 Beta (DB version) is here

https://repository-images.githubusercontent.com/266231149/4a33065f-481b-4da7-bb7e-f7946055c0bc
Logseq 2.0 beta is now available for testing, inviting user feedback to improve the stable release, with a note to back up data due to potential instability. This nightly build includes a security fix (GHSA-92h5-2358-7xjv) and updates from Beta 0.10.10, addressing major regressions.

How sea stars build materials that can see

https://www.engineering.upenn.edu/wp-content/uploads/2024/12/logo_blue@4x-1.png
When engineers think about protective materials, like those used in packaging and support, they usually think about strength, stiffness and durability. But what if those same materials could also sense their external environment? That question emerged unexpectedly for Ling Li, Associate Professor in Materials Science and Engineering, when his lab and colleagues were investigating how […]