Plugin stopped writing file

[jen]

Hey there,
Ah, right, I think this is related to the recent change in when onSucess and onEnd build events happen. Here’s a post about the change, which shipped about 2 weeks ago:

Netlify Build Plugins: changes to when `onSuccess` and `onEnd` are invoked during the build cycle

We’re making a change to how Netlify Build Plugins onSuccess and onEnd events work. The change will deploy sometime in January 2021, and we’ll post an update to this topic when it goes live. Current: onSuccess and onEnd events occur after the build command is complete, but before any files are uploaded. Upcoming: onSuccess and onEnd events occur after the site is deployed, live, and published to the deploy URL. The purpose of the change is to support use cases like running audits on the live …

Can you try changing onSucess here: onSuccess: async ({ utils, constants }) => { to onPostBuild? Seems like that should do what onSuccess used to do:

Create Build Plugins

Let us know how it goes!