processing/processing4

View on GitHub

Source code for Processing, the software sketchbook and Java-based programming language for students, artists, designers, educators, hobbyists, and creative coders. Includes the core library, and editor (PDE)

Stars: 494
Forks: 183
Open beginner issues: 1
Indexed issues: 254
Avg merge: 4h 39m
Merged PRs (30d): 3

Dominant language: Java
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

Open All

254 issues indexed so far

Copying PGraphics to PImage using .get() or .copy() clears PGraphics object, if the renderer is P2D Open

help wanted opengl

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#681 · 3 comments · Opened Mar 2, 2023
PShape.setFill() no longer works Open

help wanted opengl

Difficulty 3/5 1-2 days Newbie friendliness 45/100

processing/processing4#677 · 1 comment · Opened Feb 23, 2023
Issue when using a transparent stroke with vertex() Open

has attachment help wanted opengl

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#675 · 3 comments · Opened Feb 20, 2023
Mode is shown as "not installed" during update via "update all" Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#664 · 2 comments · Opened Feb 10, 2023
Heap allocation growth Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#663 · 16 comments · Opened Feb 9, 2023
Resize cursor not showing in P2D & P3D Open

help wanted opengl

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#657 · 3 comments · Opened Jan 27, 2023
Feature suggestion: mode-specific themes Open

enhancement lower priority

Difficulty 5/5 Over a week Newbie friendliness 30/100

processing/processing4#651 · 1 comment · Opened Jan 23, 2023
Updates requiring a reboot give the false impression that they failed (in the updates tab) Open

has attachment

Difficulty 3/5 1-2 days Newbie friendliness 35/100

processing/processing4#647 · 8 comments · Opened Jan 20, 2023
CTRL+V not posting 22 in P2D/P3D as it does in the default renderer Open

help wanted opengl

Difficulty 4/5 3-5 days Newbie friendliness 38/100

processing/processing4#632 · 7 comments · Opened Jan 6, 2023
Reduce the footprint of the reference file Open

documentation enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#628 · 5 comments · Opened Jan 3, 2023
rotate a texture in PShape bug not but work not Open

help wanted opengl

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#621 · 2 comments · Opened Dec 9, 2022
With a lot of custom fonts and large font sizes, characters disappear with P2D / P3D Open

has attachment opengl

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#594 · 3 comments · Opened Nov 10, 2022
OpenGL PShape stroke problem when updating vertices Open

help wanted opengl

Difficulty 4/5 3-5 days Newbie friendliness 45/100

processing/processing4#587 · Opened Nov 1, 2022
Can't pass a 3D integer array into a GLSL shader Open

opengl

Difficulty 4/5 3-5 days Newbie friendliness 25/100

processing/processing4#580 · 4 comments · Opened Oct 22, 2022
Support for #include in PShader (Enhancement) Open

core help wanted opengl

Difficulty 4/5 3-5 days Newbie friendliness 38/100

processing/processing4#572 · 3 comments · Opened Oct 7, 2022
Implement warning message when opening .pdex or .pdez files Open

has attachment

Difficulty 5/5 Over a week Newbie friendliness 35/100

processing/processing4#560 · 5 comments · Opened Sep 24, 2022
screenX etc. "broken" with pixelDensity(2) combined with JAVA2D renderer Open

has attachment

Difficulty 4/5 3-5 days Newbie friendliness 42/100

processing/processing4#557 · 1 comment · Opened Sep 20, 2022
NullPointerException: Cannot read field "width" because "this.componentInnards" is null Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#532 · 4 comments · Opened Aug 9, 2022
Using right-click 'Jump to declaration' menu item causes Processing to lock-up in some sketches. Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 30/100

processing/processing4#527 · 24 comments · Opened Aug 4, 2022
Opening a sketch from the Desktop folder can result in several macOS access prompts Open

macos

Difficulty 5/5 Over a week Newbie friendliness 25/100

processing/processing4#523 · Opened Jul 31, 2022
`warnMixModes` temporarily disabled Open

help wanted preprocessor

Difficulty 3/5 1-2 days Newbie friendliness 42/100

processing/processing4#519 · 3 comments · Opened Jul 30, 2022
loadShape() problems with SVGs that have . starting a number in a path Open

has attachment help wanted

Difficulty 3/5 1-2 days Newbie friendliness 38/100

processing/processing4#518 · 2 comments · Opened Jul 30, 2022
Debugger not breaking on 4.0b8 on MacOS Monterey – Depends on file name. Open

help wanted lower priority pde wontfix

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#486 · 1 comment · Opened May 15, 2022
open sketches in the current window, if no code has been written yet Open

bug help wanted pde

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#484 · 4 comments · Opened May 8, 2022
Backing texture does not get updated with the output of a filter call Open

bug opengl

Difficulty 4/5 3-5 days Newbie friendliness 25/100

processing/processing4#449 · Opened Mar 12, 2022
Processing won't start a second time when a system proxy server is set on Linux Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#438 · 9 comments · Opened Mar 7, 2022
Horizontal scrolling causes both horizontal and vertical scrollbars to scroll Open

bug pde

Difficulty 3/5 1-2 days Newbie friendliness 35/100

processing/processing4#430 · Opened Mar 3, 2022
Add support for Java 14 switch expressions Open

enhancement help wanted preprocessor

processing/processing4#428 · 8 comments · 1 assignee · Opened Mar 1, 2022
Text mis-aligned when scaling and using `textSize()` with `P2D` Open

help wanted opengl

Difficulty 4/5 3-5 days Newbie friendliness 38/100

processing/processing4#425 · 2 comments · Opened Feb 27, 2022
Errors should be red in themes, for consistency and visibility Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

processing/processing4#406 · 3 comments · Opened Feb 13, 2022
OpenGL strokeCap(ROUND) and strokeJoin should account for scale when computing the number of arc points Open

opengl

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#401 · 1 comment · Opened Feb 10, 2022
Request: add a createShader( String [] vertSrc, String [] fragSrc ) function like p5.js has Open

core enhancement help wanted opengl

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#397 · 2 comments · Opened Feb 8, 2022
Initial Pause When Not Clearing in P2D and P3D Renderers Open

help wanted opengl

Difficulty 4/5 3-5 days Newbie friendliness 42/100

processing/processing4#642 · 1 comment · Opened Feb 2, 2022
Python Mode console won't display anything Open

has attachment

Difficulty 4/5 3-5 days Newbie friendliness 30/100

processing/processing4#350 · 9 comments · Opened Jan 16, 2022
Need better method than reflection for setting application name on Linux Open

help wanted linux

Difficulty 5/5 Over a week Newbie friendliness 25/100

processing/processing4#349 · Opened Jan 16, 2022
Cannot type quotes with an international keyboard on MacOS Open

help wanted macos

Difficulty 3/5 1-2 days Newbie friendliness 35/100

processing/processing4#322 · 4 comments · Opened Dec 20, 2021
Add arcVertex() function to create circles arc using vertices. Open

core enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

processing/processing4#310 · 16 comments · Opened Nov 30, 2021
Figure out why appbundler breaks OpenGL when built on Catalina and later Open

help wanted macos

Difficulty 4/5 3-5 days Newbie friendliness 25/100

processing/processing4#284 · 7 comments · Opened Oct 4, 2021
Tools > Create Font unable to disable smoothing on macOS Open

has attachment macos

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#278 · 7 comments · Opened Oct 1, 2021
Detect `InvocationTargetException` when initializing global variables outside setup Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#252 · Opened Aug 18, 2021
launcher setting ignored in preferences.txt Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

processing/processing4#247 · 15 comments · Opened Aug 12, 2021
Serial.list() doesn't update items after a port gets disconnected Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

processing/processing4#1258 · Opened Jul 7, 2021
Implement support for handling Java “modules” and clean up JavaFX-specific workarounds Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

processing/processing4#212 · 1 comment · Opened Jun 21, 2021
Sign exported applications on Windows Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#173 · 1 comment · Opened Feb 17, 2021
Warn users or provide auto-fix when `frame` is used in a sketch Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#59 · 4 comments · Opened Jan 20, 2020
Need non-AWT ways to get display count, width, height, pixel density Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

processing/processing4#57 · 2 comments · Opened Jan 20, 2020
ThinkDifferent unavailable with --disable-awt, needs workaround Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

processing/processing4#52 · Opened Jan 19, 2020
Implement reliable getLibraryFolder() and getDocumentsFolder() methods in MacPlatform Open

lower priority macos

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#9 · 4 comments · Opened Oct 8, 2019
Segmentation fault/non-working renderer (default, P2D, P3D) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#1547 · 12 comments · Opened Aug 27, 2018
implement support for proxy authentication Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

processing/processing4#644 · 1 comment · Opened Aug 1, 2017

processing/processing4

Get new issues in your inbox