Admittedly, I did not read the full post, just a paragraph or two, so I should really go back and read before commenting, but. . . . I have a strong instinctive reaction as a user managing 3 sites, on a part-time amateur basis—slow down! Take a little longer, perhaps do more in each, but give me time to figure out what I might need or want to change in my work. Minor releases, such as security patches, no issue, but keep anything that changes the user experience to 1 or 2 a year, please! I am currently trying to figure out the changed media library—a couple of recent posts have not shown the image, just an icon for a description, so I worked around that but have not really understood the change, and there is sure to be something new in 5.9 that will take some time to figure out. I guess if all one does is WordPress development, one can keep up, but some of us are out here like ducks—paddling madly under the surface!