There's not a lot of churn in Unity, but that's more because they mostly fail to ship anything of significance than due to excellence in backwards compatibility.
I was in the audience when DOTS was announced, and a decade later Cities Skylines II showed how ill equipped for prime time it remains (not that the developers were blameless).
I was in the audience when DOTS was announced, and a decade later Cities Skylines II showed how ill equipped for prime time it remains (not that the developers were blameless).