Scratch 1.4 64 bit
I suggest making a 64 bit version of Scratch 1.4.

I feel like they won't because of 1.4 being technically unsupported. If you're on macOS, try using SqueakJS and the .image file or Naleksuh's scratcharchive

This is rejected. Please read this highlighted reason why below for clarification, so you know next time to not post this suggestion again.

8.4 Revert back to older versions of the Scratch editor or website
The Scratch editor/website has to update sometimes to accommodate certain changes. In particular, an online editor that ran off of Adobe Flash (rather than Squeak) was added in the Scratch 2.0 editor, and the Scratch 3.0 editor was created for tablet support. Changing the editor/website back to an older version would not only undo years of hard work by the Scratch Team, but they also might not work online anymore due to changing technologies. The Scratch Team is still working on bug fixes, new features, and other improvements on the Scratch 3.0 editor/website. The new interface was created in such a way that it is easy for the Scratch Team to keep working on improvements. The Scratch Team will continue to evaluate constructive feedback on how they could improve upon the current Scratch editor/website.

This extends to reverting back to older versions of studio pages. More information on why the changes to studios were made are stated in this topic, and frequently asked questions are listed in this topic. Common studio suggestions can be found on this topic.

This also extends to reverting the purple color palette back to blue. The specific color of purple was chosen as a practical one, as the Scratch Team determined through research that it is the color which is the most helpful for those with vision impairments. That is, the color change is important for the sake of improved accessibility, which means that more people will be able to use Scratch. For more information on the Scratch Team's process that led to the purple color palette, see this post. However, an option to change the color palette is NOT rejected. You can discuss it on this topic.

Before making a new topic, please check out the following:

• The Official List of Rejected Suggestions. If your suggestion is in this list, please do not make a new topic about it, as it will not be implemented anyway.
  

• The Suggestions Directory. If your suggestion is in this list, please continue the discussion in the existing topic, rather than making a new topic.
  

Thank you!