Hey there! So We haven’t done too much to be 100% honest. The general up-keep of SSR tooling is an uphill battle, plus Angular was also working on their own “official” SSR implementation that should address many issues we saw.
Basically, the old javascript DOM implementation that the older angular universal would ship with partially patched the DOM APIs, but still required a lot of work on Ionic/stencil.
But this newer implementation uses JSDOM which covers the entire DOM api. Meaning we won’t have to manage all that ourselves.