Unity is in a continual state of building out "shiny new toys"; libraries and modules and sibling software that work as intended for 1 or 2 release cycles before breaking and being discarded. I've seen this time and again with Unity and I think it will hurt their stock going forward as they try to convince more industries to use their tools. Just in the past two years I've seen them develop, hype, and then quietly dr…
IMHO it's unrealistic to expect long-term commitment for maintenance / compatibility from ${ANY} new software, unless there's a 5-year enterprise contract with a SLA. Maintenance is difficult work, and only rewarding if the software provides real-world usefulness.