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 open issues indexed

Show/hide line numbers in preferences Open

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

processing/processing4#1132 · 2 reactions · Opened Jun 2, 2025
Regression in 4.4.3: get() and set() are reading and writing from/to the wrong coordinates. Open

bug good first issue help wanted

processing/processing4#1131 · 12 comments · 1 assignee · Opened Jun 1, 2025
[DISCUSSION] Vector Fonts Support Open

core enhancement

Difficulty 5/5 Over a week Newbie friendliness 28/100

processing/processing4#1129 · 3 comments · Opened May 31, 2025
comment/uncomment Keybinding on Macos Sonoma French is missing! Open

bug good first issue pde

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

processing/processing4#1128 · 11 comments · 1 reaction · Opened May 29, 2025
PDE enhancements - variable highlight + pop out console Open

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

processing/processing4#1126 · Opened May 28, 2025
Adding a Caret Position Indicator Open

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

processing/processing4#1125 · 1 comment · Opened May 27, 2025
Processing installed using snap fails on Chromebooks Open

bug build system help wanted linux pde

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

processing/processing4#1124 · 1 comment · 1 reaction · Opened May 27, 2025
Incorrect window size for Processing 4.4.4 (Windows 11) Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

processing/processing4#1120 · 3 comments · Opened May 25, 2025
Opening a new sketch doesn't replace the default empty window Open

enhancement help wanted pde

processing/processing4#1117 · 7 comments · 1 assignee · Opened May 22, 2025
Need to double click on arrays in VARIABLES window when debugging in IDE Open

bug

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

processing/processing4#1116 · Opened May 22, 2025
loadFont("data/fontfile.vlw") crashes in executable but not in Processing (Mac) Open

bug

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

processing/processing4#1110 · 1 comment · 1 reaction · Opened May 18, 2025
Add Unit Tests for IntDict in processing:data Open

enhancement

processing/processing4#1108 · 1 assignee · Opened May 17, 2025
Making `Preferences` standalone Open

processing/processing4#1104 · 13 comments · 1 assignee · Opened May 16, 2025
Attaching Source Jars in IntelliJ IDEA does not work Open

bug build system help wanted

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

processing/processing4#1100 · 4 comments · Opened May 15, 2025
Add Unit Tests for IntList in processing:data Open

enhancement

processing/processing4#1093 · 1 assignee · Opened May 13, 2025
Add Unit Tests for JSONObject in processing:data Open

enhancement

processing/processing4#1092 · 1 assignee · Opened May 13, 2025
Processing OpenGL renderer core dumping on Raspberry Pi Open

bug linux

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

processing/processing4#1087 · 7 comments · 1 reaction · Opened May 10, 2025
Add Unit Tests for JSONArray in processing:data Open

enhancement

processing/processing4#1083 · 1 reaction · 1 assignee · Opened May 7, 2025
windows download a ZIP version Open

build system enhancement windows

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

processing/processing4#1064 · 3 comments · Opened Apr 27, 2025
Some `shader()` examples behave unexpectedly at higher pixel densities Open

bug help wanted

processing/processing4#1063 · 16 comments · 2 reactions · 1 assignee · Opened Apr 25, 2025
Allow user-context installation on Windows (no admin rights required) Open

processing/processing4#1042 · 8 comments · 1 reaction · 1 assignee · Opened Apr 17, 2025
Improvements and Next Steps for the Processing Language Server (LSP) Open

enhancement help wanted

Difficulty 5/5 Over a week Newbie friendliness 32/100

processing/processing4#1041 · 12 comments · 6 reactions · Opened Apr 16, 2025
Processing graphics output window is too small to see anything and it doesn't have any resize or maximise controls Open

enhancement

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

processing/processing4#1040 · 3 comments · Opened Apr 16, 2025
Sketch Window Screen Update and Publishing Issues with Java2D Render on PC without graphic card Open

bug

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

processing/processing4#1032 · 1 comment · 1 reaction · Opened Apr 9, 2025
Resizable Window has rendering Bug Open

bug core help wanted linux

processing/processing4#1003 · 10 comments · 1 assignee · Opened Mar 24, 2025
Opening `pde://` link on Windows 10 causes unexpected behavior Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

processing/processing4#998 · Opened Mar 21, 2025
nf/nfc do not seem to be threadsafe and throw NullPointerException Open

bug help wanted

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

processing/processing4#984 · 4 comments · Opened Mar 19, 2025
Processing appears as `Untitled` in the task bar on launch Open

bug

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

processing/processing4#979 · 6 comments · Opened Mar 16, 2025
CI/CD Actions for compiling apps on Github Actions using processing android Open

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

processing/processing4#1011 · 1 comment · Opened Mar 5, 2025
noSmooth() still does not work in P2D/P3D Open

opengl

processing/processing4#951 · 3 comments · 1 assignee · Opened Feb 27, 2025
loadImage ignores JPEG Orientation Metadata Open

bug core help wanted

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

processing/processing4#947 · 1 comment · Opened Feb 14, 2025
Include processing4-javafx in Gradle packaging Open

core enhancement

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

processing/processing4#941 · 6 comments · Opened Feb 3, 2025
Error of shape optimization Open

bug

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

processing/processing4#901 · 2 comments · Opened Jan 8, 2025
PShape setFill(indx, color) not working in Processing 4 Open

bug help wanted

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

processing/processing4#900 · 8 comments · Opened Jan 6, 2025
Request to generate initial code on project creation Open

enhancement help wanted pde

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

processing/processing4#898 · 21 comments · Opened Dec 26, 2024
Processing IDE doesn't respond on launch and on saving sketch ( getting stuck - mouse clicks doesn't work) Open

bug

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

processing/processing4#897 · 11 comments · Opened Dec 26, 2024
Migrate Python Mode Hosting from Linode to Netlify Open

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

processing/processing4#895 · Opened Dec 22, 2024
Double precision support for all fundamental geometry classes (PShape, PVector ...) Open

enhancement help wanted

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

processing/processing4#893 · 2 comments · 1 reaction · Opened Dec 20, 2024
Unexpected Y-axis translation when using `ortho()` and `resetMatrix()` Open

bug help wanted

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

processing/processing4#891 · 7 comments · Opened Dec 17, 2024
🗺 Processing Roadmap Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

processing/processing4#883 · 2 reactions · Opened Dec 13, 2024
Implement image comparison for visual tests Open

help wanted

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

processing/processing4#882 · 7 comments · 1 reaction · Opened Dec 13, 2024
Move core away from OpenGL (JOGL) Dependencies Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 20/100

processing/processing4#881 · Opened Dec 13, 2024
Write Unit Tests for `processing:core` Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 20/100

processing/processing4#880 · 8 comments · Opened Dec 13, 2024
Pull Processing into Java 21 Open

help wanted

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

processing/processing4#879 · 12 comments · Opened Dec 13, 2024
Automatically update the website releases based on the Github Release status Open

enhancement

processing/processing4#877 · 4 comments · 1 assignee · Opened Dec 12, 2024
Trigger Javadocs update on release Open

enhancement

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

processing/processing4#876 · Opened Dec 11, 2024
Prefill Libraries for classroom usage not working in macOS Open

enhancement help wanted

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

processing/processing4#866 · 6 comments · 1 reaction · Opened Dec 2, 2024
Processing randomly inserts the characters '//<>//' into .pde files. Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 20/100

processing/processing4#863 · 4 comments · Opened Nov 28, 2024
Window size on Linux Fedora 41 - Dell XPS 13 is minuscule -> not adapting ot display Open

bug help wanted linux

processing/processing4#857 · 14 comments · 1 assignee · Opened Nov 15, 2024
💙 Add yourself to the all-contributors list! Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

processing/processing4#839 · 37 comments · 1 reaction · Opened Nov 1, 2024

processing/processing4

Get new issues in your inbox