Field notes

Blog — Page 41

Engineering notes, case studies, and lessons from the field.

Tesla Q1 2026: 358,023 Deliveries, Missed Estimates, and a Margin Story That Hasn't Changed
Big Tech

Tesla Q1 2026: 358,023 Deliveries, Missed Estimates, and a Margin Story That Hasn't Changed

Tesla reported Q1 2026 results after market close with deliveries 7,600 short of consensus and roughly 50,000 units sitting unsold in inventory. Investors are watching Optimus timelines and FSD expansion more closely than the car numbers.

Apr 22, 20265 min read
CVE-2026-40372: Critical ASP.NET Core Privilege Escalation on Linux — Patch to .NET 10.0.7 Now
Cybersecurity

CVE-2026-40372: Critical ASP.NET Core Privilege Escalation on Linux — Patch to .NET 10.0.7 Now

Microsoft shipped an emergency out-of-band release on April 21 to patch a CVSS 9.1 privilege escalation flaw in ASP.NET Core DataProtection packages. Any app running versions 10.0.0–10.0.6 on Linux is exposed.

Apr 22, 20265 min read
DeepSeek in Talks to Raise at $20B — Alibaba and Tencent Both Want In
Big Tech

DeepSeek in Talks to Raise at $20B — Alibaba and Tencent Both Want In

The Chinese AI lab that refused all outside money for years is now negotiating its first external funding round at more than double the valuation reported just days ago. Both Alibaba and Tencent are in discussions to participate.

Apr 22, 20265 min read
Google's Ad-Tech Breakup Ruling Is Imminent — DOJ Wants AdX and DFP Sold Off
Policy & Regulation

Google's Ad-Tech Breakup Ruling Is Imminent — DOJ Wants AdX and DFP Sold Off

Judge Leonie Brinkema is expected to issue her remedy ruling in the Google ad-tech antitrust case this week, potentially ordering the forced divestiture of AdX and DFP — which would be the largest US corporate breakup since AT&T in 1984.

Apr 21, 20265 min read
GitHub Pauses Copilot Pro Sign-Ups and Cuts Model Access — Agentic AI Is Breaking the Flat-Rate Pricing Model
Developer Tools

GitHub Pauses Copilot Pro Sign-Ups and Cuts Model Access — Agentic AI Is Breaking the Flat-Rate Pricing Model

GitHub temporarily paused new sign-ups for Copilot Pro, Pro+, and Student plans on April 20, citing agentic AI sessions consuming far more compute than individual plans were priced to support. Opus models are being removed from Pro tier entirely.

Apr 21, 20265 min read
Framework's Next-Gen Modular Laptops Are Official — AMD Ryzen AI 400, Linux-First Engineering, New Configurations
Hardware

Framework's Next-Gen Modular Laptops Are Official — AMD Ryzen AI 400, Linux-First Engineering, New Configurations

Framework Computer held its 'Next Gen' live event today, unveiling AMD Ryzen AI 400 mainboards and a formal Linux-first support posture across Ubuntu, Fedora, Arch, CachyOS, and Bazzite. The upgrade slots into existing Framework 13 and 16 chassis.

Apr 21, 20265 min read
Tim Cook Steps Down as Apple CEO — John Ternus Takes the Helm on September 1
Big Tech

Tim Cook Steps Down as Apple CEO — John Ternus Takes the Helm on September 1

Apple announced Tim Cook will become Executive Chairman while SVP of Hardware Engineering John Ternus becomes CEO. The transition marks the first leadership change at Apple since Cook took over from Steve Jobs in 2011.

Apr 21, 20265 min read
Vercel Breached Through Compromised AI Workplace Tool — ShinyHunters Claims $2M Ransom
Cybersecurity

Vercel Breached Through Compromised AI Workplace Tool — ShinyHunters Claims $2M Ransom

Attackers exploited an over-permissioned employee AI tool (Context.ai) to pivot into Vercel's internal systems via OAuth. 580 employee records exposed. Next.js and Turbopack are unaffected.

Apr 20, 20265 min read
Microsoft Issues 7 Emergency Patches After April Update Crashes Windows Server Domain Controllers
Cloud & Infrastructure

Microsoft Issues 7 Emergency Patches After April Update Crashes Windows Server Domain Controllers

April's cumulative update KB5082063 caused LSASS to crash in restart loops on domain controllers across Windows Server 2016–2025. Seven out-of-band patches released April 20 fix the regression.

Apr 20, 20265 min read

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