How or why?

You should give some information about how/why it increases the speed of the project. :)
Magnie (talk | contribs) 14:21, 19 April 2012 (UTC)
Sure, good idea!
Hardmath123 (talk | contribs) 07:40, 21 April 2012 (UTC)

Run w/o screen refresh custom blocks

Run without screen refresh custom blocks exist in Scratch 2.0; and they do the same thing but with less effort for the programmer. Do you think they should be mentioned in the article?
Jokebookservice1 (talk | contribs) 18:56, 9 December 2016 (UTC)