.NET 8 and .NET 9 Both Lose Support on November 10, 2026

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Despite being on different release tracks, .NET 8 (Long-Term Support) and .NET 9 (Standard-Term Support) will simultaneously reach end of life on November 10, 2026. After that date, Microsoft will no longer issue security patches for either runtime, leaving applications exposed to any vulnerabilities discovered afterward. Development teams with compliance requirements face a real risk, as running an unsupported runtime in production can trigger audit findings. Microsoft has already shipped .NET 10 (LTS) as of November 11, 2025, supported through November 2028, and upgrading from version 8 is generally straightforward for most projects. The November 10 cutoff is part of a broader wave of major software end-of-life dates in late 2026, including PostgreSQL 14, Python 3.10, and PHP 8.2.

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Anthropic Eyes $965B IPO as AI Labs Push Self-Regulation and Infrastructure Overhaul

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

Sovereign: Android privacy system offers hardware-level data isolation and anti-forensics

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