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Daily AI News for Builders

The stories worth reading, for builders and indie hackers. Updated all day.

New Paper Closes Deployment Gap for PLC Formal Verification

The ESBMC-Arduino paper submitted on July 9, 2026, tackles the issue of formal verification for IEC 61131-3 on open-hardware PLCs. Existing verifiers prove safety over an abstract model but fail in real-world scenarios due to hardware constraints like finite-resolution ADC and resource-constrained MCUs. The paper introduces a declarative HAL descriptor that describes hardware accurately, ensuring robustness proofs while eliminating false alarms. This is crucial for developers working on embedded systems where precision matters.

Jul 14, 2026 · 3 min read

tech

Git History Brings New Workflow Fixes to Devs

Git history brings three new commands—fixup, reword, and split—to simplify working with multiple changes in parallel. Fixup updates an old commit and autorebases all branches; reword changes a commit message without touching the index or working tree; split divides one commit into two interactively. These atomic operations ensure no half-broken states, but jj's conflict handling remains superior for now. Git history is part of core git since version 2.54 (April) and 2.55 (June), offering a seamless experience without extra installs.

Jul 14, 2026 · 3 min read

Uber Expands Beyond Rides With Hotel Bookings and Debit Cards

Uber is expanding its service offerings beyond ride-hailing and delivery, now including hotel bookings powered by Expedia, 'shop for me' concierge features, boat rentals in Europe, debit cards for drivers, and partnerships with financial services. This move strengthens Uber's relationships with autonomous vehicle partners while positioning itself as a data layer provider. The company has 51 million members enrolled in its Uber One loyalty program, which rewards users with cash back on transactions.

Jul 14, 2026 · 3 min read

tech

Elite Universities Admit Rates Dwindle for Domestic Students

Elite universities now admit significantly fewer domestic students who aren't legacy or recruited athletes. The admission odds for these applicants have dropped dramatically over the past five decades. For instance, an identical applicant today faces roughly a 17-fold lower chance of getting in compared to their counterpart from fifty years ago. Why does this matter? Because it means that if you're not part of a legacy family or a recruited athlete, your path into these elite institutions is much narrower. The numbers speak for themselves: the admit rate for non-ALDC applicants (those without legacy, donor connections, etc.) hovers around 5%, while recruited athletes enjoy an 86% admission rate.

Jul 14, 2026 · 3 min read

tech

New Music Notation System Uses 2346 Beats Per Bar

The metronome sets the grid for notation in this innovative system, where each subdivision represents a specific pitch held until re-attack or tie. With 2346 beats per bar, musicians can achieve unprecedented precision, as the pitch tolerance is ±50¢ and the noise gate threshold is set at 0.003. This system uses quarter notes, eighth notes, and sixteenth notes to create a detailed rhythmic structure. For composers and performers alike, this new notation offers an unparalleled level of detail and control over their compositions. The re-attack sensitivity ensures that same-pitch cells are either held as one note or split into repeated notes based on the signal analysis, making it easier for musicians to interpret complex rhythms accurately. The system uses a default mic track input device with a click volume set at 40%, ensuring clear audio feedback during performances. While the sample rate is not specified, this new approach could redefine how music notation and performance are understood.

Jul 14, 2026 · 3 min read

PixVerse Closes $439M Series C Extension

PixVerse just closed a massive $439M Series C extension, bringing their total valuation to over $2 billion. This is huge for anyone looking at video generation tech in both consumer and enterprise markets. The startup plans to expand globally and release new models this year, all thanks to the influx of cash from investors like Alibaba. With 15 million monthly active users and a competitive pricing model of $4.80 per minute for image-to-video generation, PixVerse is positioning itself as a major player in the space.

Jul 14, 2026 · 3 min read

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X Tweaks Algorithm to Boost Mutual Post Visibility

X just made an algorithm tweak to boost post visibility for mutuals, making the reply section feel more like a community. The update aims to help clusters form around interests easier, encouraging original content creation with new compensations. This change follows similar moves by Meta's Threads, reaching 500 million monthly active users. If you're on X and rely heavily on engagement from mutual connections, this tweak could significantly alter your feed dynamics.

Jul 13, 2026 · 3 min read

tech

The Pragmatic Engineer Requires JavaScript for Full Functionality

The Pragmatic Engineer now mandates that users have JavaScript enabled to access its content fully. This change affects both the desktop site and the mobile application. For developers who rely on The Pragmatic Engineer's insights for their daily workflows, this means ensuring JavaScript is not blocked by browser extensions or settings. Subscribers should also review the updated privacy policy from 2026 and be aware of new terms and conditions that came into effect in the same year.

Jul 13, 2026 · 3 min read

tech

Meta to Spend $50B on Louisiana Datacenter Expansion

Meta plans to spend $50 billion on expanding its Hyperion datacenter in Richland Parish, LA, boosting capacity from 2.2 to 5 gigawatts. Why should you care? This expansion is not just about physical space; it's a strategic move to capitalize on the high demand for compute resources by offering excess capacity to other AI labs and potentially becoming a cloud provider. The company already has the scale and infrastructure, including custom AI chips like MTIA, to support this transition.

Jul 13, 2026 · 3 min read

Hermes Agent Startup Secures $75M at $1.5B Valuation

Hermes, the open-source agent competing with Openclaw, just raised $75M at a $1.5B valuation. Why does this matter? It's not just about money; it's about expanding features and user base. Hermes already has over 200K GitHub stars and offers built-in skills like web search and coding automation. With the new funding, expect more advanced capabilities and possibly lower costs for users on paid tiers.

Jul 13, 2026 · 3 min read

tech

sx 2.0 Launches Desktop App for Non-Technical Teams

sx 2.0 has launched a desktop application for sharing AI skills without needing Git or terminal commands. This makes it easier for non-technical teams to collaborate on AI projects by simply dragging files into shared folders like Dropbox, Google Drive, or OneDrive. The app translates assets into various client formats and installs them across machines automatically. Developers still get the full CLI experience with sx 2.0, but now there's a user-friendly desktop option for everyone else. This is particularly useful for teams where not everyone has coding skills or access to command-line interfaces.

Jul 13, 2026 · 3 min read

tech

AI Rewrites Bun in Rust: 1M Lines of Code in 11 Days

AI agents rewrote the 500,000-line Bun JavaScript build tool from Zig to Rust in just 11 days at a cost of around $165,000. The rewritten code passed its exhaustive test suite with over one million assertions across all platforms without skipping any tests. This rewrite highlights how AI can drastically speed up complex software projects but also raises questions about coding practices and costs.

Jul 13, 2026 · 3 min read

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