Is Your .NET 8 or 9 App Out of Support? A Last-Minute Upgrade Checklist for Australian Businesses
Quick answer: .NET 8 and .NET 9 both reach end of support on 10 November 2026. After that date Microsoft stops releasing security patches, bug fixes and technical support for them. Your apps will keep running, but any new vulnerability stays unpatched. If you still have .NET 8 or 9 applications in production, the safest…