Issues

• Flatpak bundle uses end-of-life runtime org.freedesktop.Platform 24.08

  processing/processing4#1589 · opened on Oct 25, 2026

• Processing 4 in Python mode Sound Library not working

  processing/processing4#1588 · opened on Oct 23, 2026
  2

• UnsatisfiedLinkError: 'boolean jogamp.common.jvm.JVMUtil.initialize(java.nio.ByteBuffer)'

  processing/processing4#1585 · opened on Oct 22, 2026
  1

• Menu bar text is unreadable when using dark themes on Windows 11

  processing/processing4#1583 · opened on Oct 19, 2026
  6

• Processing lsp never exits and leaves orphaned processes

  processing/processing4#1578 · opened on Oct 10, 2026
  2

• PDE doesn't report invalid size() arguments as a logic error

  processing/processing4#1573 · opened on Sep 21, 2026
  3

• startup error

  processing/processing4#1569 · opened on Sep 14, 2026
  7

• Binaries under bin directory lack executable permissions for the snap and .deb packages for Linux

  processing/processing4#1567 · opened on Aug 23, 2026
  3

• rounded rectangle performance in P2D / P3D is extremely poor when stroke is used

  processing/processing4#1566 · opened on Aug 23, 2026
  3

• other cursors for P2D / P3D

  processing/processing4#1565 · opened on Aug 20, 2026

• Fail open application from remote desktop: LoadLibrary failed with error 87: incorrect param

  processing/processing4#1564 · opened on Aug 7, 2026

• Unable to run JavaFX in Processing 4.5.6 MacOS

  processing/processing4#1561 · opened on Aug 5, 2026
  2

• Fixing the "Cannot access sketchbook" error requires resetting "org.processing.four," but that does not exist.

  processing/processing4#1554 · opened on Jul 25, 2026
  1

• webgpu window not showing up on linux

  processing/processing4#1541 · opened on Jul 8, 2026

• Set up testing infrastructure for webGPU work

  Task

  processing/processing4#1539 · opened on Jul 8, 2026
  2

• OpenGL/3D sketches crash with UnsatisfiedLinkError on Linux when the bundled sketch JDK cannot fork+exec

  processing/processing4#1537 · opened on Jul 6, 2026
  3

• PVector angleBetween returns 0 when x and y of either parameter are both 0

  processing/processing4#1544 · opened on Jul 1, 2026

• Multiple external monitors displayed incorrectly in Preferences > Sketches

  processing/processing4#1530 · opened on Jun 23, 2026
  3

• File association problem

  processing/processing4#1529 · opened on Jun 19, 2026

• Missing App Drawer Icon (Flatpak)

  processing/processing4#1527 · opened on Jun 16, 2026
  9

• Save dialog unusable

  processing/processing4#1526 · opened on Jun 13, 2026
  7

• full screen bug with few device

  processing/processing4#1524 · opened on Jun 9, 2026
  1

• RFC: future PDE implementation as a VSCode fork

  processing/processing4#1522 · opened on Jun 2, 2026
  5

• fullScreen(P2D, SPAN) does not span across multiple displays on macOS

  processing/processing4#1518 · opened on May 20, 2026

• Error "Could not get the settings folder" when opening a sketch with double click

  processing/processing4#1517 · opened on May 13, 2026
  2