MuleSoft OAS 3.0 Support and MMA

Burak Tartan
2 min readJul 30, 2020

I just want to share news that I recently learned improvements from Mulesoft.

Mulesoft OAS 3.0 Support

Mulesoft started giving support for OAS 3.0 within design-first approach. They just introduced support for designing part but there is a promise for full API Lifecycle management support will arrive in the second half of the year. It will make easier switching to MuleSoft for existing OAS 3.0 users.

Mulesoft has a converter project also

If its needed check out this project. There is a CLI conversion tool from RAML to OAS.

Here is another transformation tool which is offering a web interface as well.

MMA Mule Migration Assistant

To make our life easier, Mulesoft released a migration tool for upgrading existing mule applications developed with older versions. Moreover, it’s an open-source tool and totally free to use. Cause it’s an open source project you are free to contribute also.

It does not guarantee for an unattended upgrade for sure, but it will help us a lot. You can monitor your migration within tree levels, Success-Warning-Error. If you have a planned upgrade please have a look at it. Let me remind you Mule 4 came with a new architecture for simplified and enhanced multi threaded functionalities and advanced error handling capabilities. You will achieve better performance and robustness and as a result a better customer satisfaction.

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