Early this year we announced our plans for .We are happy to announce that we have wrapped up the development of version 6 and a preview is now available on . Fantomas 6 is a major release and contains a lot of new features and improvements. In this post we will highlight some of the most important changes. Fantomas 6 is now able to format multiple files in parallel. This is a huge improvement for large projects.This happens out of the box and you don't have to do anything to benefit from this. In recent months, the has been…

For the last year, I've been working quite extensively in the codebase.I've picked up a couple of habits and created some helper scripts along the way.This is some stuff that works for me and it might be insightful for you. Or not.In this blog post, I'm going over some of my frequently used scripts. Some are general purpose, others are very specific to the F# compiler codebase. I've always been a Windows guy and thus is my go-to. Having multiple terminal windows open is the norm and I frequently add (or alias) functions in my .I'll go over some…

We launched Fantomas v5 in September, and it was the first version to ship with a custom F# parser and an improved syntax tree. Many view it as a big technical achievement – I know its launch was a point of personal pride. Because version 5 was a big deal, I decided to organize a grand release party where we talked about how came to be, what exactly changes for end-users and I wrapped it up with a well-deserved glass of champagne. The project is in a good state. We have a brand new , I onboarded a new co-maintainer ,

Fantomas 5 is here! The API of v5 is finalized! In this blogpost I will explain how you can migrate to v5 from v4. The latest preview versions are labelled as beta's, meaning the API is stable.Please start using these latest versions, as the final product will be very close to what is out there today. Install Fantomas using Under the good, we achieve a massive performance boost. I explained this in a , Fantomas v5 is twice or more, as fast as v4. Achieving this required some serious changes and a major version update. I firmly believe in semantic…

Some time ago, I was able to merge in a into .The result of these changes make Fantomas at least twice as fast as the v4 release. Before After In this blogpost, I'll elaborate a bit how we did this and what you can expect from the V5 release. Last October, I had the opportunity to speak at . There I announced that what the plan was for the next major of Fantomas and how to get there. A crucial part of that talk was about how improving the at was the key to everything. In short, a better syntax…