NServiceBus 6.4.4 - Patch releases available

Hi everyone,

We’ve just released NServiceBus 6.4.4.

Fixed bugs

  • #5166 XML serializer’s type initialization is vulnerable to concurrency

How to know if you are affected

You might be affected if you’re using XML Serialization with complex message types.


Message processing failing with KeyNotFoundException.

Should you upgrade immediately

You should upgrade, if you observed deserialization/serialization related exceptions using XMLSerializer.

Where to get it

You can download the updated version and see the full release notes here:

With thanks,

The team in Particular

Please read our release policy for more details.