I’ve got good news and better news. The good news is that Apollo Client 4.0 alphas are now being released:
The better news is that this comes with ESM support and a significantly smaller bundle size, see the changelog for the full feature set.
Even better news is that the number of backwards-incompatible changes is going to be fairly small, so adopting it today should not be a large burden for most codebases.
Please give it a try in your dev environments as soon as you can! The more early feedback we get, the better and smoother our stable release will be 