Updating any non-trivial layer in your stack usually gets you into "complications" - that alone must never be an acceptable reason to be stuck on old versions,

Updating any non-trivial layer in your stack usually gets you into "complications" - that alone must never be an acceptable reason to be stuck on old versions, especially if there are serious problems with them. You simply chew through those complications. Again and again. And try to optimize your application for less complications in the future, if possible.