Processing 4 (alpha)

Read about what’s new in 4.0 →

Note that some sketches from Processing 2 or 3 may not be compatible. What has changed?

Since older sketches may not be compatible, we recommend creating a new sketchbook folder, so multiple versions can happily coexist. This is a one-time process. Read more about it.

Click here to create a new sketchbook folder for Processing 4 (recommended!)
Otherwise, your existing sketchbook folder will be used for both old and new sketches (may cause conflicts with installed libraries)