processing/p5.js

p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Processing. Looking for p5.js 2.0? http://beta.p5js.org

Stars: 24k
Forks: 3.8k
Open beginner issues: 9
Indexed issues: 401
Avg merge: 3d 16h
Merged PRs (30d): 25

Dominant language: JavaScript
License: LGPL-2.1
Last GitHub push: Sep 20, 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

15 beginner-friendly issues open

[p5.js 2.0+ Bug Report]: ReferenceError: p5 is not defined when calling loadPixels/get/copy/mask on p5.MediaElement in ESM Open

Area:Core Area:DOM

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

processing/p5.js#9189 · Opened Sep 17, 2026
[Bug]: p5.Image.prototype.copy and blend do not scale destination coordinates for high pixel density Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

processing/p5.js#9169 · Opened Sep 11, 2026
[p5.js 2.0+ Bug Report]: save() ignores the CRLF option when saving text files Open

Area:IO p5.js 2.0+

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

processing/p5.js#9141 · Opened Sep 5, 2026
[p5.js 2.0+ Bug Report]: int() truncates numbers to 32 bits, disagreeing with the same value passed as a string Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

processing/p5.js#9129 · Opened Sep 3, 2026
[p5.js 2.0+ Bug Report]: splitTokens() returns [] for a caret delimiter and throws for a backslash Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

processing/p5.js#9126 · 1 comment · Opened Sep 2, 2026
[p5.js 2.0+ Bug Report]: nfc() truncates instead of rounding and drops the documented trailing zero padding Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

processing/p5.js#9125 · 1 comment · Opened Sep 2, 2026
[p5.js 2.0+ Bug Report]: default color serialization truncates channel bytes, disagreeing with #rrggbb on the same color Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

processing/p5.js#9124 · Opened Sep 2, 2026
[p5.js 2.0+ Bug Report]: mouseIsPressed is unconditionally reset on multi-touch release Open

Area:Events p5.js 2.0+

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

processing/p5.js#9013 · 1 comment · Opened Jul 24, 2026
[p5.js 2.0+ Bug Report]: Vector angleBetween() doesn't work for vectors with more than three dimensions Open

Area:Math p5.js 2.0+ Technical Initiative

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

processing/p5.js#8926 · 2 comments · Opened Jun 16, 2026
[p5.js 2.0+ Bug Report]: p5.Vector.x set doesn't work on 1D vector Open

Area:Math p5.js 2.0+ Patch Reserved (CodeDay)

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

processing/p5.js#8924 · 4 comments · Opened Jun 16, 2026
[p5.js 2.0+ Bug Report]: FES warning for mismatched vector sizes doesn't show the line where the issue occurred, and has spelling errors Open

p5.js 2.0+

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

processing/p5.js#8835 · 3 comments · Opened May 27, 2026
Add Korean translation for WebGPU contributor guide Open

Feature Request Internationalization

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

processing/p5.js#8773 · 3 comments · Opened May 9, 2026
[p5.js 2.0 Bug Report]: [p5.js 2.0 Bug Report]: _onblur doesn't fully reset keyboard state , keyIsPressed and keyIsDown() stay stuck after losing focus Open

Area:Events p5.js 2.0+

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

processing/p5.js#8540 · 5 comments · 2 reactions · Opened Feb 18, 2026
[p5.strands] Document `shared*` methods Open

Area:WebGL Enhancement

Difficulty 2/5 1-2 days Newbie friendliness 68/100

processing/p5.js#8440 · 7 comments · Opened Jan 24, 2026
Instructions for adding yourself to the all-contributors list! Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

processing/p5.js#2309 · 519 comments · 33 reactions · Opened Oct 26, 2017

A short digest of beginner-friendly GitHub issues.