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

Open All

399 open issues indexed

textBounds outputs nan if number is input instead of string Open

Area:Typography Bug

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

processing/p5.js#6298 · 8 comments · Opened Jul 26, 2023
Add the names of the uniforms used by p5.js to the shader documentation Open

Area:Accessibility Area:Core Area:WebGL Enhancement

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

processing/p5.js#6286 · 2 comments · Opened Jul 25, 2023
npm run grunt no longer works and needs to be updated to npx grunt Open

Build Process Enhancement

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

processing/p5.js#6285 · 5 comments · Opened Jul 25, 2023
Batching for the rendering of objects. Open

Area:Core Area:WebGL Enhancement

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

processing/p5.js#6279 · 2 comments · Opened Jul 23, 2023
IOS does not always update camera dimensions at restart Open

Bug

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

processing/p5.js#6265 · 3 comments · Opened Jul 10, 2023
Allow p5.element style() function to accept CSS directly or multiple properties Open

Area:DOM Enhancement

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

processing/p5.js#6249 · 7 comments · Opened Jul 2, 2023
Touches array doesn't clear correctly Open

Area:Events Bug

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

processing/p5.js#6214 · 1 comment · Opened Jun 14, 2023
Add React compatible example to p5() instance method Open

Area:Core Enhancement

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

processing/p5.js#6213 · 3 comments · Opened Jun 14, 2023
Issues with Compiling P5 on Apple Based Silicon Chips(M series Macbooks) Open

Build Process Discussion

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

processing/p5.js#6202 · 11 comments · Opened Jun 11, 2023
Adding WebGL texture types Open

Area:Core Area:Math Area:WebGL Feature Request p5.js 2.0+

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

processing/p5.js#6166 · 14 comments · Opened May 28, 2023
noiseMode(SIMPLEX) add-on library Open

Area:Math Feature Request Help Wanted p5.js 2.0+

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

processing/p5.js#6152 · 13 comments · 1 reaction · Opened May 22, 2023
Regarding the p5.Vector functions random2D() and random3D() using Math.random() Open

Area:Math Discussion

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

processing/p5.js#6141 · 17 comments · Opened May 16, 2023
Is there still a need for more p5.shader examples? Open

Area:WebGL Documentation Enhancement

processing/p5.js#6134 · 6 comments · 1 reaction · 1 assignee · Opened May 5, 2023
p5.Graphics.saveGif() Open

Area:Image Feature Request

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

processing/p5.js#6079 · 2 comments · 2 reactions · Opened Mar 21, 2023
Incorrect rendering h265/HEVC video with alpha channel Open

Area:Core Area:Image Bug

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

processing/p5.js#6071 · 5 comments · Opened Mar 14, 2023
touches docs: bad phrasing could lead to confusion Open

Discussion

Difficulty 1/5 Under an hour Newbie friendliness 45/100

processing/p5.js#6032 · 1 comment · Opened Feb 25, 2023
pmouseIsPressed should be a p5 variable Open

Feature Request

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

processing/p5.js#5998 · 1 reaction · Opened Feb 2, 2023
WEBGL 16bit texture Open

Area:WebGL Discussion

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

processing/p5.js#5994 · 10 comments · 1 reaction · Opened Feb 2, 2023
Different behavior of lines between Safari and Chrome Open

Area:Core Bug

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

processing/p5.js#5980 · 3 comments · Opened Jan 27, 2023
Mobile performance Open

Area:WebGL Discussion

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

processing/p5.js#5975 · 3 comments · 2 reactions · Opened Jan 25, 2023
scale() has unintended behavior with negative values when used in conjunction with image() ~~scale() is broken for negative values~~ Open

Bug

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

processing/p5.js#5969 · 3 comments · Opened Jan 23, 2023
Uncaught ReferenceError: p5 is not defined at HTMLDocument Open

Area:Core Bug

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

processing/p5.js#5967 · 7 comments · Opened Jan 22, 2023
saveGif issue when used with translucent background Open

Area:Image Bug

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

processing/p5.js#5924 · 5 comments · Opened Jan 1, 2023
setAttributes() invalidates references to earlier canvases Open

Area:WebGL Bug Help Wanted

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

processing/p5.js#5902 · 8 comments · Opened Dec 16, 2022
Feature: Add function to get the principal value of angles Open

Area:Math Feature Request

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

processing/p5.js#5893 · 11 comments · Opened Dec 11, 2022
image blend not working on some version of webkit Open

Area:Color Area:Image Bug

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

processing/p5.js#5874 · 4 comments · Opened Nov 28, 2022
3D Coordinate Compatibility in `image()` Open

Area:Image Area:WebGL Enhancement

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

processing/p5.js#5861 · 2 comments · Opened Nov 16, 2022
p5js WEBGL textureWrap can't collaborate with video streaming Open

Area:WebGL Discussion Help Wanted

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

processing/p5.js#5859 · 7 comments · Opened Nov 11, 2022
Add 'willReadFrequently' option to certain getContext('2d') calls Open

Area:Core Enhancement

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

processing/p5.js#5840 · 2 comments · 3 reactions · Opened Oct 19, 2022
Implement window methods from Processing4 Open

Area:Core Feature Request

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

processing/p5.js#5836 · 9 comments · Opened Oct 18, 2022
Add an overload to image() for using fitting arguments without cropping Open

Area:Image Enhancement

processing/p5.js#5805 · 8 comments · 1 assignee · Opened Sep 16, 2022
Test failing in current build Open

Bug Build Process

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

processing/p5.js#5788 · 10 comments · Opened Sep 7, 2022
Allow `width` and `height` parameters in loadImage to support proper SVG scaling. Open

Area:Image Enhancement

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

processing/p5.js#5779 · 8 comments · 1 reaction · Opened Sep 1, 2022
set with undefined color freezes the browser when run in loop Open

Area:Core Bug

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

processing/p5.js#5765 · 2 comments · Opened Aug 18, 2022
Add a flag to indicate if the most recently created canvas is 3D Open

Area:Core Feature Request

processing/p5.js#5750 · 8 comments · 1 assignee · Opened Aug 2, 2022
Versioning info on API docs Open

Discussion

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

processing/p5.js#5746 · 9 comments · 2 reactions · Opened Jul 31, 2022
_bindBuffer unnecessarily copies typed arrays Open

Area:WebGL

Difficulty 3/5 1-2 days Newbie friendliness 30/100

processing/p5.js#5739 · 7 comments · Opened Jul 29, 2022
deviceShaken() does not work on Android >= 11.0 on Firefox Open

Area:Events Bug Help Wanted Patch

processing/p5.js#5718 · 5 comments · 1 assignee · Opened Jul 11, 2022
nf() produces problematic string-formatting of very large or small numbers Open

Area:Math Area:Utilities Bug Discussion

processing/p5.js#5710 · 13 comments · 1 assignee · Opened Jul 6, 2022
When creating an image with createGraphics(), the image is corrupted if the size is specified as a decimal Open

Area:Image Bug

processing/p5.js#5697 · 15 comments · 1 assignee · Opened Jun 21, 2022
Library functions registered with `registerPreloadMethod` keep calling `_incrementPreload` after preloading is done. Open

Area:Utilities Bug

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

processing/p5.js#5677 · 1 reaction · Opened May 18, 2022
Add dashed lines to the core API Open

Area:Core Discussion Feature Request Help Wanted

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

processing/p5.js#5670 · 29 comments · 3 reactions · Opened May 7, 2022
Problem with a touch event on mobile device Open

Area:Core Area:Events Bug

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

processing/p5.js#5667 · 6 comments · Opened Apr 29, 2022
Bridges between modern JavaScript image manipulation and p5.Image (createImageFromBitmap) Open

Area:Image Feature Request

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

processing/p5.js#5641 · 3 comments · 1 reaction · Opened Mar 19, 2022
Decoupling the Friendly Error System to a standalone package Open

Enhancement Friendly Errors

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

processing/p5.js#5629 · 3 comments · Opened Mar 9, 2022
p5.min.js does not include the licenses for bundled third party libraries (or itself) Open

Build Process Discussion

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

processing/p5.js#5615 · 3 comments · Opened Feb 24, 2022
Fonts, Variable weight Open

Area:Typography Enhancement

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

processing/p5.js#5607 · 12 comments · Opened Feb 21, 2022
Add missing accessibility description to p5.Color._parseInputs() Open

Area:Accessibility Bug

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

processing/p5.js#5584 · 4 comments · Opened Jan 30, 2022
[F-REQ] whileLoadingCallback for images Open

Area:Image Area:IO Enhancement

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

processing/p5.js#5527 · 3 comments · Opened Jan 6, 2022
Formatting a button to a new size doesn't necessarily change its width and height properties Open

Bug

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

processing/p5.js#5525 · 3 comments · Opened Jan 4, 2022

A short digest of beginner-friendly GitHub issues.