the last time it was acceptable to make a user interface that had the cursor lag when the user presses up and down was never. computers have always been fast enough to handle this.
somehow my 4k TV, however, is not
Which is kind of amazing, considering the early #Mac models did all of their #graphics, including compositing the mouse cursor on top of the rest of the screen's contents, in software on a CPU that may as well have been an abacus compared to what we're using now.
And yet, somehow, there was no noticeable lag in the mouse cursor's motion.
Someone at #Apple in the early 1980s was very, very good at their job.
