processing/processing4

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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

[PR] fixed issue #811 Open

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

processing/processing4#822 · Opened Aug 19, 2024
[PR] added the ability to set custom app icons for windows / macos Open

Difficulty 4/5 3-5 days Newbie friendliness 10/100

processing/processing4#819 · Opened Aug 19, 2024
[PR] fixed Issue#723 Open

Difficulty 4/5 3-5 days Newbie friendliness 10/100

processing/processing4#818 · Opened Aug 19, 2024
[PR] Move hotspot for the `TEXT` cursor type to the center of the icon Open

Difficulty 2/5 1-3 hours Newbie friendliness 10/100

processing/processing4#813 · Opened Aug 19, 2024
[PR] Add the ability to choose the interpolation mode used when resizing an image Open

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

processing/processing4#804 · Opened Aug 19, 2024
[PR] Update Ukrainian locale with current strings Open

Difficulty 3/5 1-2 days Newbie friendliness 10/100

processing/processing4#798 · Opened Aug 19, 2024
[PR] fix #791 Open

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

processing/processing4#792 · Opened Aug 19, 2024
[PR] Fix hash of keyEvent being added to pressedKeys. Open

Difficulty 1/5 Under an hour Newbie friendliness 10/100

processing/processing4#786 · Opened Aug 19, 2024
[PR] Fix broken 'Related' links in the Network and Serial library web reference Open

Difficulty 3/5 1-2 days Newbie friendliness 15/100

processing/processing4#778 · Opened Aug 19, 2024
[PR] Added a signedAngle() function to the PVector class Open

Difficulty 3/5 1-2 days Newbie friendliness 10/100

processing/processing4#773 · Opened Aug 19, 2024
[PR] Friendly error messages with expanded content Open

Difficulty 3/5 1-2 days Newbie friendliness 10/100

processing/processing4#771 · Opened Aug 19, 2024
[PR] Possible proxy fix (built, but not tested) Open

Difficulty 5/5 Over a week Newbie friendliness 1/100

processing/processing4#501 · Opened Aug 19, 2024
[PR] Fix #472: Add doclet for setHeading in PVector Open

Difficulty 3/5 1-2 days Newbie friendliness 10/100

processing/processing4#475 · Opened Aug 19, 2024
[PR] Add `getMatrix()` to `PShape` Open

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

processing/processing4#413 · Opened Aug 19, 2024
[PR] Startup performance improvements Open

Difficulty 5/5 Over a week Newbie friendliness 1/100

processing/processing4#361 · Opened Aug 19, 2024
[PR] Proxy Authentification Open

Difficulty 5/5 Over a week Newbie friendliness 1/100

processing/processing4#357 · Opened Aug 19, 2024
[PR] Warn users or provide auto-fix when `frame` is used in a sketch Open

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

processing/processing4#99 · Opened Aug 19, 2024
Is there any chance to build a release for Windows ARM64 platform? Open

enhancement

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

processing/processing4#834 · 1 comment · 1 reaction · Opened Apr 17, 2024
Flat rendering on PGraphics3D of PShapes created from PGraphics2D Open

bug core

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

processing/processing4#833 · Opened Apr 16, 2024
curveVertex() causes OutOfMemory in P2D renderer Open

bug core

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

processing/processing4#832 · Opened Apr 12, 2024
.tga PImage flips y axis after save() and load() Open

bug core

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

processing/processing4#827 · 1 comment · Opened Mar 20, 2024
having noSmooth(); in setup will trigger a duplicate settings() warning Open

bug has attachment help wanted preprocessor

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

processing/processing4#823 · 6 comments · 2 reactions · Opened Feb 18, 2024
code symmetry typo or bug in public void setTint(int fill) calls setFill(i,fill) in PShape.java ? Open

bug core

Difficulty 1/5 Under an hour Newbie friendliness 50/100

processing/processing4#820 · Opened Jan 16, 2024
Drawing the same SVG with different stroke weights causes rendering bug with P2D renderer Open

bug core

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

processing/processing4#817 · 2 comments · Opened Dec 28, 2023
fullScreen on second display does not working as expected with P2D and P3D renderer Open

bug core

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

processing/processing4#815 · 1 comment · Opened Dec 26, 2023
Cursor translucency problem? Open

bug core has attachment

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

processing/processing4#814 · 1 comment · Opened Dec 19, 2023
sketchPath is different on OSX then Windows Open

bug core has attachment

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

processing/processing4#808 · 2 comments · Opened Dec 2, 2023
Unable to interact with the GPIO of Raspberry Pi 5 Open

has attachment help wanted raspberry pi

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

processing/processing4#807 · 8 comments · Opened Nov 30, 2023
SVG Shape End caps rendered wrong Open

has attachment

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

processing/processing4#803 · 2 comments · Opened Nov 22, 2023
Depth sorting not working for lines in PDF or SVG export Open

bug core

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

processing/processing4#802 · Opened Nov 13, 2023
Exporting a sketch using the Hardware I/O Library to Raspberry Pi results in broken shell script. Open

bug

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

processing/processing4#799 · Opened Nov 1, 2023
with P2D renderer `key` variable doesnt update when pressing CTRL and another key Open

bug core

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

processing/processing4#795 · 1 comment · Opened Oct 16, 2023
Python sketches that are not in Examples fail to load in the IDE Open

bug contribution has attachment pde

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

processing/processing4#793 · 1 comment · Opened Oct 8, 2023
Improve PApplet draw method's documentation or behavior Open

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

processing/processing4#789 · 2 comments · Opened Oct 2, 2023
P2D, P3D shift .svg place Open

help wanted opengl

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

processing/processing4#788 · 3 comments · Opened Sep 26, 2023
P2D and P3D renderers don't set `WM_CLASS` for Linux Open

help wanted linux

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

processing/processing4#777 · 8 comments · Opened Aug 29, 2023
export with java not embeded on windows does not launch program Open

help wanted windows

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

processing/processing4#775 · Opened Aug 26, 2023
keyPressed() does not always fire after starting sketch Open

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

processing/processing4#766 · Opened Aug 8, 2023
hang when running sketch and “transport error 202: bind failed: Permission denied“ in console Open

windows

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

processing/processing4#761 · 1 comment · Opened Jul 31, 2023
Error Dialog for Invalid Filenames is Incomplete Open

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

processing/processing4#754 · Opened Jul 24, 2023
Processing IDE lock-up with Find Open

help wanted

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

processing/processing4#742 · 2 comments · Opened Jul 9, 2023
Improving Processing Error Messages Open

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

processing/processing4#741 · 10 comments · Opened Jul 8, 2023
PGraphics saves fully transparent instead of red (P2D) Open

help wanted opengl

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

processing/processing4#737 · 1 comment · Opened Jun 30, 2023
"Problem with rename: .glsl is not a valid extension" when creating a new tab for shader code Open

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

processing/processing4#735 · 1 comment · Opened Jun 19, 2023
Add a PGraphics/framebuffer stack ala `createFrameBuffer()` Open

enhancement

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

processing/processing4#726 · 1 comment · Opened May 23, 2023
`Cannot invoke "processing.app.SketchCode.isModified()" because "this.current" is null` Open

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

processing/processing4#719 · 9 comments · Opened May 15, 2023
noStroke makes PShape.setTexture crash (P2D) Open

help wanted opengl

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

processing/processing4#695 · 1 comment · Opened Mar 27, 2023
Detect max `smooth()` setting to avoid OpenGL errors Open

enhancement help wanted opengl

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

processing/processing4#694 · 2 comments · Opened Mar 26, 2023
pixelDensity(2) with SVG creates incorrect viewport in the file Open

bug good first issue help wanted

processing/processing4#693 · 3 comments · 1 assignee · Opened Mar 24, 2023
Inconsistencies with `pixelDensity()` across P2D and FX2D renderers in MacOS Open

has attachment help wanted

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

processing/processing4#691 · Opened Mar 21, 2023

processing/processing4

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