Tara Overfield and Victor Israel-Bolarinwa present a summary of the latest .NET and .NET Framework updates for September 2025, focusing on non-security fixes and resources for developers.

.NET and .NET Framework September 2025 Servicing Releases Updates

Authors: Tara Overfield, Victor Israel-Bolarinwa

Overview

This news update covers the latest servicing releases for .NET and .NET Framework as of September 2025. Developers and administrators can find comprehensive information about the updated versions, including non-security fixes, links to download installers and binaries, and issue tracking resources.

What’s New

Security Improvements: .NET and .NET Framework have been refreshed, though this monthly update focuses on non-security fixes.
Release Versions:
- .NET 8.0 (version 8.0.20)
- .NET 9.0 (version 9.0.9)
Key Links:
- Release Notes: 8.0.20, 9.0.9
- Installers and Binaries: 8.0.20, 9.0.9
- Container Images: Browse images
- Linux Packages: 8.0.20, 9.0.9
- Known Issues: 8.0, 9.0

Changelogs and Feedback

Runtime Changelog: 8.0.20, 9.0.9
AspNetCore Changelog: 8.0.20, 9.0.9
SDK Changelog: 9.0.9
Feedback Issue: You can share feedback about these releases in the release feedback issue.

.NET Framework September 2025 Updates

No new security updates this month.
New non-security fixes are available.
Review the .NET Framework release notes for detailed changes and updates.

Summary

Be sure to apply the most recent service releases for continued maintenance and performance improvements in .NET and .NET Framework. Stay tuned for next month’s update.

This post appeared first on “Microsoft .NET Blog”. Read the entire article here