I have created a fork of the standard Stripe payments module to provide support for SCA. I tried uploading it to the market place, but it does not seem to be accepting it.
A copy of the zip is attached.
Stripe SCA Payment module
Stripe SCA is a refactored version of the standard Stripe payments to update the Stripe API to v3 and support the SCA process flow. Other than using different Stripe API calls to set up and process payments, the main change is to defer order fulfillment to