Thanks for the mention! We do move fast and to help manage the changes better we've introduced a number of change management concepts recently like breaking change detection and more controls around semver. The updates can also be stacked by the user into PRs and versions updated and published in one go. Definitely choices that we can guide you through
On the Speakeasy branded classes. We got rid of that some time ago based on customer feedback. Check out our new TS generator https://www.speakeasyapi.dev/post/how-we-built-universal-ts