.NET Core 3.1 (LTS) will reach end of support on December 13, 2022. If you’re using .NET Core 3.1 (LTS), please migrate to .NET 6 (LTS) or .NET 7 as soon as possible. Read more about this at .NET Core 3.1 will reach End of Support on December 13, 2022 and .NET 7 is Available Today.
When will this happen
On December 13, 2022, .NET Core 3.1 (LTS) will stop receiving servicing updates or technical support from Microsoft. While .NET Core 3.1 apps will continue to run and nothing about them will change after this date, they will be exposed to unpatched security vulnerabilities.
.NET 7 is already available. You can download the free .NET 7 release today.
Message ID: MC467910
Action required by: 2022-12-13
Product: Office 365 general
Platform: Linux, World tenant