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A page of the original 86-DOS 1.00 assembler listing showing handwritten changelist annotations
Open Source·

Microsoft open-sourced the earliest known DOS code, transcribed from a stack of Tim Paterson's printouts.

MIT-licensed at GitHub on April 28, the 86-DOS 1.00 kernel and PC-DOS development snapshots were OCR'd from 45-year-old assembler listings.

Aerial view of a Meta data center site used by Fortune for AI infrastructure spending coverage
AI·

Hyperscalers are on track to spend $700B on AI infrastructure in 2026

Big-tech AI capex is projected at $700B in 2026, up from $410B in 2025. Microsoft alone guided $190B. Wall Street is split: Meta got punished for the spend, Alphabet rallied.

GitHub Octocat mark on a dark gradient, the cover graphic on the GitHub Blog post announcing the Copilot billing change.
AI·

GitHub Copilot kills premium requests on June 1. Token billing arrives, fallback models do not.

On June 1 every Copilot plan switches to GitHub AI Credits priced per token. Code completions stay free. Fallback models and credit rollover do not.

Microsoft and OpenAI logos paired on a navy gradient backdrop.
AI·

Microsoft and OpenAI just rewrote their deal. Exclusivity is dead, and so is the AGI clause.

Microsoft loses exclusive rights to OpenAI's models. The revenue share now caps at 2030 and stops depending on AGI. Here's what actually changed and who it benefits.

BleepingComputer's Microsoft Patch Tuesday header art.
Security·

Microsoft April 2026 Patch Tuesday: 167 fixes, two zero-days, and a SharePoint bug already in CISA's KEV

Microsoft's April 8 Patch Tuesday closes 167 CVEs. CVE-2026-32201 in SharePoint is being exploited and CISA added it the same day. Here's what to patch first.

Microsoft .NET blog post image for the 10.0.7 out-of-band security update
Security·

Microsoft rushed an out-of-band ASP.NET Core patch. If you shipped between April 14 and April 21, you need to rebuild.

CVE-2026-40372 lets attackers forge auth cookies on .NET 10.0.6 apps on Linux and macOS. The fix is 10.0.7. Here's what broke, who's exposed, and how to patch.

GitHub Copilot announcement cover graphic
AI·

GitHub Copilot paused new signups and kicked Opus out of Pro. Here's what actually changed.

GitHub froze Copilot Pro/Pro+/Student signups on April 20 and moved Claude Opus 4.7 behind the $39 Pro+ tier. Agent workflows broke the old math.