[Dylan16807]

The conditional check that they do sometimes. Now half your users see the new version and half see the old version. Not much of a recall.

[taeric]

Still more of a recall than will be possible in the new world. And you can always detect the old code and prompt users to refresh. (Typically happens on a restart.)

Again, though, I am ultimately for this. I just remain skeptical of any panacea.