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 16, 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

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401 open issues indexed

[p5.js 2.0+ Bug Report]: `noLoop()` not working on WebGPU mode Open

Area:WebGPU p5.js 2.0+

Difficulty 3/5 1-2 days Newbie friendliness 64/100

processing/p5.js#8931 · 8 comments · Opened Jun 16, 2026
[p5.js 2.0+ Bug Report]: Some Vector friendly errors don't work correctly Open

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

processing/p5.js#8930 · 11 comments · 1 assignee · Opened Jun 16, 2026
[p5.js 2.0+ Bug Report]: Vector.slerp() does not work correctly for vectors of more than three dimensions Open

Area:Math p5.js 2.0+

Difficulty 3/5 1-2 days Newbie friendliness 72/100

processing/p5.js#8928 · 7 comments · Opened Jun 16, 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]: Vector.cross() assumes the vectors have three dimensions Open

Area:Math p5.js 2.0+

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

processing/p5.js#8925 · 11 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]: Loading indication Open

p5.js 2.0+ Patch Reserved (CodeDay)

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

processing/p5.js#8922 · 16 comments · 1 reaction · Opened Jun 16, 2026
Should p5.strands support HSB-based color construction via an optional mode parameter in color()? Open

Discussion

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

processing/p5.js#8916 · Opened Jun 13, 2026
Improve FES error messages for color functions in p5.strands Open

Area:Color Enhancement

Difficulty 3/5 1-2 days Newbie friendliness 62/100

processing/p5.js#8914 · 3 comments · Opened Jun 12, 2026
[p5.js 2.0+ Bug Report]: saveGif: delay option teleports frameCount instead of rendering warmup frames Open

Area:Core Area:IO p5.js 2.0+

Difficulty 3/5 1-2 days Newbie friendliness 55/100

processing/p5.js#8888 · 1 comment · Opened Jun 9, 2026
[p5.js 2.0+ Bug Report]: Floats in strands shaders are always rounded to 4 decimals Open

Area:WebGL Area:WebGPU Help Wanted p5.js 2.0+ p5.strands

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

processing/p5.js#8884 · 15 comments · Opened Jun 8, 2026
[p5.js 2.0+ Bug Report]:save() not working on graphics Open

Area:Core Area:Image p5.js 2.0+

Difficulty 3/5 1-2 days Newbie friendliness 62/100

processing/p5.js#8881 · 1 comment · Opened Jun 8, 2026
[p5.js 2.0+ Question]: Stroke Scaling is Different in p5 WebGL and WebGPU Open

Area:WebGL Area:WebGPU Help Wanted p5.js 2.0+

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

processing/p5.js#8847 · 3 comments · Opened May 29, 2026
[p5.js 2.0+ Bug Report]: Color String Representation Is Incorrect Open

Area:Color Help Wanted p5.js 2.0+

processing/p5.js#8843 · 8 comments · 1 assignee · Opened May 28, 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
Texture of Box in WEBGL works in Windows but crashes on Mac Open

Area:Core Area:WebGL Bug

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

processing/p5.js#8831 · 3 comments · Opened May 27, 2026
Discussion: Friendlier API for variable font settings Open

Area:Typography Community Input Needed Discussion Feature Request

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

processing/p5.js#8810 · 1 comment · 1 reaction · Opened May 19, 2026
Ability to use mipmaps for images in WebGL/WebGPU Open

Area:Core Area:Image Area:WebGL Enhancement

processing/p5.js#8796 · 7 comments · 6 reactions · 1 assignee · Opened May 14, 2026
Use random() more in p5.strands examples Open

Area:WebGL Documentation Enhancement Help Wanted p5.js 2.0+ p5.strands

processing/p5.js#8776 · 5 comments · 2 reactions · 1 assignee · Opened May 10, 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
textAscent() and textDescent() broken if textSize > 200 Open

Area:Typography Documentation Help Wanted Required for p5v1 Freeze

Difficulty 3/5 1-2 days Newbie friendliness 55/100

processing/p5.js#8771 · 15 comments · 1 reaction · Opened May 8, 2026
[p5.js 2.0+ Bug Report]: `get()` can only be used on storage buffers Open

Area:WebGPU p5.js 2.0+ p5.strands

Difficulty 4/5 3-5 days Newbie friendliness 52/100

processing/p5.js#8756 · 9 comments · Opened Apr 30, 2026
add a paletteLerp equivalent for p5.strands Open

Enhancement p5.js 2.0+ p5.strands

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

processing/p5.js#8751 · 14 comments · Opened Apr 28, 2026
[p5.js 2.0+ Bug Report]: Text weight performance worse than other font properties, like size Open

Area:Typography p5.js 2.0+

processing/p5.js#8732 · 7 comments · 2 assignees · Opened Apr 19, 2026
saveGif() crashes when duration <= 0 (empty frame list path) Open

Area:Image Area:IO Bug

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

processing/p5.js#8710 · 7 comments · Opened Apr 7, 2026
[p5.js 2.0+ Bug Report]: WebGPU text() doesn't work in Firefox Open

p5.js 2.0+

processing/p5.js#8703 · 6 comments · 1 assignee · Opened Apr 3, 2026
Incorrect documentation: overload for `background()` Open

Area:Color Bug

processing/p5.js#8697 · 6 comments · 1 reaction · 1 assignee · Opened Apr 2, 2026
[p5.js 2.0 Bug Report]: p5.Color.toString() outputs incorrect values Open

Area:Color p5.js 2.0+

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

processing/p5.js#8672 · 11 comments · 1 reaction · Opened Mar 24, 2026
[p5.js 2.0 Bug Report]: p5.Graphics.model() is not a function when used on secondary WEBGL p5.Graphics canvas Open

Area:Core Area:WebGL p5.js 2.0+

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

processing/p5.js#8671 · 14 comments · Opened Mar 24, 2026
[p5.js 2.0 Bug Report]: mouseX/mouseY report CSS-rect coordinates instead of logical canvas coordinates when canvas is CSS-scaled Open

Area:Events p5.js 2.0+

Difficulty 3/5 1-2 days Newbie friendliness 65/100

processing/p5.js#8669 · 3 comments · Opened Mar 22, 2026
[p5.js 2.0 Bug Report]: Raw console.log() calls in WebGL modules should use Friendly Error System Open

Area:Utilities p5.js 2.0+

processing/p5.js#8651 · 1 comment · 1 assignee · Opened Mar 17, 2026
Document p5.strands instanceID() function Open

Area:WebGL Documentation Enhancement

processing/p5.js#8647 · 5 comments · 1 assignee · Opened Mar 16, 2026
[p5.js 2.0 Bug Report]: [p5.strands] Ternary statements not supported? Open

Area:WebGL p5.js 2.0+

processing/p5.js#8636 · 1 assignee · Opened Mar 11, 2026
[p5.js 2.0]: reference errors: textToContours() and textToModel() Open

Area:Typography p5.js 2.0+

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

processing/p5.js#8623 · 7 comments · 1 reaction · Opened Mar 9, 2026
(2.0) Document how to generate and preview contributor docs Open

Enhancement p5.js 2.0+

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

processing/p5.js#8619 · 5 comments · 2 reactions · Opened Mar 6, 2026
[p5.js 2.0 Bug Report]: p5.strands global variables not available/working correctly in instance mode Open

Area:Core Area:WebGL p5.js 2.0+

processing/p5.js#8575 · 9 comments · 1 assignee · Opened Feb 27, 2026
[p5.js 2.0 Bug Report]: saveTable() doesn't escape double quotes in CSV, round-trip corrupts data Open

Area:IO p5.js 2.0+

processing/p5.js#8551 · 13 comments · 1 assignee · Opened Feb 22, 2026
Add additional WebGL filter stress scenarios to visual regression suite Open

Area:Core Area:WebGL Community Input Needed Enhancement Help Wanted

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

processing/p5.js#8550 · 4 comments · Opened Feb 21, 2026
Request to Add Nepali Language Support Open

Area:Accessibility Feature Request Internationalization

processing/p5.js#8542 · 1 comment · 1 reaction · 1 assignee · Opened Feb 19, 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.js 2.0 Bug Report] : v.div(2, 4, 6) divides everything by first arg only, v.mult(2, 3, 4) does nothing Open

Area:Math p5.js 2.0+

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

processing/p5.js#8539 · 4 comments · 1 reaction · Opened Feb 18, 2026
[p5.js 2.0 Bug Report]: ellipse() with negative detail crashes in WEBGL Open

Area:Core Area:WebGL p5.js 2.0+

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

processing/p5.js#8526 · 3 comments · Opened Feb 13, 2026
Built-in sketch export as video or animated GIF Open

Area:Data Area:IO Feature Request

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

processing/p5.js#8515 · 6 comments · Opened Feb 9, 2026
[p5.js 2.0 Bug Report]: Add docs about the 2.0 reference-generation process Open

p5.js 2.0+

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

processing/p5.js#8508 · 1 reaction · Opened Feb 8, 2026
[p5.js 2.0 Bug Report]: text() and textWidth() throw runtime errors after friendly error is shown Open

Area:Typography p5.js 2.0+

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

processing/p5.js#8492 · 12 comments · Opened Feb 4, 2026
WebGL ShapeBuilder doesn't support mixed shape modes in contours Open

Enhancement

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

processing/p5.js#8490 · 7 comments · Opened Feb 3, 2026
[p5.js 2.0 Bug Report]: WebGPU: antialias controls don't quite work like in WebGL Open

p5.js 2.0+

processing/p5.js#8482 · 4 comments · 1 assignee · Opened Feb 1, 2026
text() with maxWidth and maxHeight removes '\t' tabs Open

Area:Core Area:Typography Bug

Difficulty 3/5 1-2 days Newbie friendliness 50/100

processing/p5.js#8469 · 9 comments · Opened Jan 30, 2026
[p5.js 2.0 Bug Report]: Friendly errors do not prevent runtime exceptions in color APIs Open

Area:Color p5.js 2.0+

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

processing/p5.js#8458 · 4 comments · Opened Jan 27, 2026
[p5.strands] Some comparisons are allowed by strands but disallowed by GLSL Open

Enhancement

processing/p5.js#8445 · 10 comments · 1 assignee · Opened Jan 24, 2026

A short digest of beginner-friendly GitHub issues.