Upon purging the updated X packages I had and reverting to the current official release version in the repositories, the behavior has returned to being predictable exactly as described in my original post.
This may not be a duplicate, but I'm leaving it marked as such for now.
Upon purging the updated X packages I had and reverting to the current official release version in the repositories, the behavior has returned to being predictable exactly as described in my original post.
This may not be a duplicate, but I'm leaving it marked as such for now.