The background artwork is much more modern and abstract, as befits the space age sixties.
Final Sylvester and Speedy Gonzales cartoon to be directed by Friz Freleng in the classic era. However, he went to work on with the last few shorts in the DFE era until 1965 before moving on to United Artists (including the Pink Panther shorts) after the original Warner Bros. Cartoons shut down in 1963.
Sylvester has ordered from the WB vendor of choice, Acme.
Although robotics was the subject of often humorous caricature in media at the time, it would become mainstream and more sophisticated as time went on. Once the stuff of science fiction became scientific fact.
With the advent of military aircraft breaking the sound barrier, Americans became used to hearing the occasional sonic boom overhead. The term supersonic soon entered mainstream vocabulary.