AWS 14 days
AWS Lambda .NET 8 (dotnet8) end of life (runtime deprecation)
By November 10, 2026: migrate functions to dotnet10. That's when AWS Lambda stops supporting .NET 8 (dotnet8), and the security patches stop with it. Source: docs.aws.amazon.com, checked 2026-10-15.
- What's retiring
- .NET 8 (dotnet8) runtime deprecation (AWS Lambda)
- When
- November 10, 2026
- Days left
- 14 days left, as of 2026-10-27.
- What happens
- No more security patches or support; later Lambda blocks function create, then update.
- What to do
- Migrate functions to dotnet10.
- Kind of change
- Runtime end of life
- Official source
- docs.aws.amazon.com ↗ (last checked 2026-10-15)
Get a heads-up before this deadline hits.
A free weekly email of upcoming AWS, Azure and GCP deadlines, with what to do about each. Unsubscribe anytime.
Providers move dates. Check the official source before you plan a migration around this one.