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

401 open issues indexed

SyntaxError from acorn, when embedded in Angular app Open

Bug

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

processing/p5.js#7957 · 5 comments · Opened Jul 8, 2025
automatic rewrite of custom functions in Strands Open

Area:Core Enhancement p5.strands

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

processing/p5.js#7953 · 9 comments · Opened Jul 5, 2025
`p5.Color.equals` method Open

Area:Color Area:Data Area:Utilities Enhancement

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

processing/p5.js#7949 · 19 comments · 2 reactions · Opened Jul 3, 2025
[p5.js 1.11.8 Bug Report]: mousePressed doesnt work on iPhone and iPad safari Open

Area:Events p5.js 2.0+

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

processing/p5.js#7941 · 5 comments · 4 reactions · Opened Jun 26, 2025
Discussion: improving the All-Contributor bot Open

Discussion

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

processing/p5.js#7936 · 1 comment · 1 reaction · Opened Jun 22, 2025
Add `src` property to p5.Image objects Open

Area:Image Feature Request

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

processing/p5.js#7928 · 1 comment · Opened Jun 20, 2025
[p5.strands] Reenabling and implementing FES in strands Open

Enhancement Friendly Errors p5.strands

processing/p5.js#7899 · 6 comments · 2 reactions · 1 assignee · Opened Jun 10, 2025
Discussion: using LLMs to support review/contribution Open

Discussion

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

processing/p5.js#7891 · 17 comments · 1 reaction · Opened Jun 9, 2025
A way to position lights with transforms (maybe a variant of worldToScreen?) Open

Area:WebGL Enhancement

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

processing/p5.js#7889 · 9 comments · 1 reaction · Opened Jun 8, 2025
[p5.js 2.0 Bug Report]: `loadSound()` is not defined in p5.js v2.x (TypeError: Cannot read properties of undefined ‘pixels’) Open

p5.js 2.0+

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

processing/p5.js#7879 · 5 comments · 2 reactions · Opened Jun 4, 2025
Add FES warning for keyCode === usage to help transition from 1.x to 2.0 Open

Area:Events Enhancement Friendly Errors

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

processing/p5.js#7876 · 5 comments · 1 reaction · Opened Jun 4, 2025
Discussion: Best Approach for Managing Blocker/Dependent Issues? Open

Community Input Needed Discussion

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

processing/p5.js#7870 · 4 comments · 4 reactions · Opened Jun 4, 2025
[p5.js 2.0 Bug Report]: p5.RendererGL.js Unit Test fails Open

Area:WebGL p5.js 2.0+

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

processing/p5.js#7869 · 5 comments · Opened Jun 3, 2025
[p5.strands]: Allow equivalent of p5 transforms Open

Area:WebGL Enhancement

Difficulty 5/5 Over a week Newbie friendliness 42/100

processing/p5.js#7857 · 6 comments · 4 reactions · Opened Jun 1, 2025
[p5.js 2.0 Bug Report]: IO loadTable test failed Open

Help Wanted p5.js 2.0+

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

processing/p5.js#7854 · 8 comments · Opened May 31, 2025
[p5.js 2.0 Bug Report]: Comparison algorithms may not work as expected Open

p5.js 2.0+

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

processing/p5.js#7851 · 1 comment · Opened May 28, 2025
[p5.strands] Bridging p5.strands and p5.js functions Open

Area:WebGL Enhancement p5.js 2.0+ p5.strands

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

processing/p5.js#7849 · 14 comments · 3 reactions · Opened May 27, 2025
WCAG 2.3.3 - Disabling animation Open

Area:Accessibility Community Input Needed Feature Request

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

processing/p5.js#7842 · 2 comments · 1 reaction · Opened May 23, 2025
WCAG 2.3.2 - Flashing light check Open

Area:Accessibility Community Input Needed Feature Request

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

processing/p5.js#7841 · 1 comment · Opened May 23, 2025
[p5.js 2.0 Bug Report]: buildGeometry isn't saving per-vertex stroke colors Open

Area:WebGL p5.js 2.0+

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

processing/p5.js#7840 · 3 comments · Opened May 23, 2025
buildGeometry doesn't work with point() ? Open

Area:WebGL Bug

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

processing/p5.js#7838 · 1 comment · Opened May 22, 2025
[p5.js 2.0 Bug Report]: width/height/options overloads inconsistent/incorrect for typography methods Open

Area:Typography Documentation Help Wanted p5.js 2.0+

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

processing/p5.js#7820 · 5 comments · Opened May 15, 2025
[2.0] Document workarounds for inter-addon dependencies Open

Discussion

processing/p5.js#7798 · 13 comments · 1 reaction · 1 assignee · Opened May 7, 2025
[2.0] Add a way to resolve addon ordering dependencies Open

Area:Core Feature Request

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

processing/p5.js#7797 · 6 comments · 1 reaction · Opened May 7, 2025
Further testing of p5 classes use outside the browser Open

processing/p5.js#7773 · 2 comments · 1 reaction · 1 assignee · Opened Apr 23, 2025
[p5.js 2.0 Bug Report]: You need to await redraw() now Open

Area:Core p5.js 2.0+

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

processing/p5.js#7770 · 11 comments · 4 reactions · Opened Apr 22, 2025
[p5.js 2.0] Investigate replacing dependencies Open

Discussion

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

processing/p5.js#7761 · 10 comments · Opened Apr 19, 2025
p5.Matrix made public Open

Area:Math Area:WebGL Enhancement

processing/p5.js#7754 · 11 comments · 2 reactions · 1 assignee · Opened Apr 18, 2025
[2.0]: Properties of objects aren't being checked correctly by FES Open

Bug Help Wanted p5.js 2.0+

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

processing/p5.js#7752 · 19 comments · Opened Apr 17, 2025
[p5.js 2.0 Beta Bug Report]: Document difference between textWidth and fontWidth with respect to whitespace Open

Area:Typography Bug Documentation Good First Issue Help Wanted p5.js 2.0+

processing/p5.js#7745 · 24 comments · 1 assignee · Opened Apr 17, 2025
Support for Top-Level Global Mode Open

Area:Core Feature Request Help Wanted

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

processing/p5.js#7737 · 35 comments · Opened Apr 15, 2025
Per-polygon fills in 2D mode Open

Area:Color Area:Core Enhancement

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

processing/p5.js#7722 · 7 comments · Opened Apr 10, 2025
[2.0] Additional text alignment options Open

Area:Typography Enhancement

processing/p5.js#7712 · 5 comments · 2 assignees · Opened Apr 9, 2025
[2.x] Add a way to get the value of the current random seed Open

Area:Math Discussion Feature Request

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

processing/p5.js#7711 · 11 comments · Opened Apr 9, 2025
[2.x] Support font sets for Google Fonts CSS files Open

Area:Typography Feature Request

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

processing/p5.js#7708 · 2 comments · Opened Apr 7, 2025
Add a way to clean up image texture resources in WebGL Open

Area:WebGL Feature Request Help Wanted

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

processing/p5.js#7700 · 1 comment · Opened Apr 4, 2025
[p5.js 2.0 Beta Bug Report]: Output a friendly error when p5 is loaded twice on a page Open

Area:Core p5.js 2.0+

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

processing/p5.js#7687 · 10 comments · Opened Mar 29, 2025
Normalize up vector of Camera's rotateView to avoid round / cummulative errors Open

Enhancement

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

processing/p5.js#7680 · Opened Mar 29, 2025
Framebuffer objects cannot be rendered after noTint() Open

Area:Core Area:WebGL Bug

processing/p5.js#7677 · 4 comments · 1 assignee · Opened Mar 28, 2025
[p5.js 2.0] ESM usage in global mode Open

Area:Core Discussion Enhancement

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

processing/p5.js#7670 · 6 comments · Opened Mar 25, 2025
Change text vertex order of text to be consistent with regular rendering for backface culling Open

Area:WebGL Enhancement

processing/p5.js#7619 · 2 comments · 1 assignee · Opened Mar 11, 2025
Using DOM.js library kills console.log Open

Area:DOM Bug

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

processing/p5.js#7610 · 9 comments · Opened Mar 7, 2025
Allow object literals for 2D-Shape functions in additional to positional parameters Open

Discussion Feature Request

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

processing/p5.js#7609 · 10 comments · Opened Mar 7, 2025
[p5.js 2.0 Beta Bug Report]: FES parameter validation for `print` not accepting multiple arguments Open

p5.js 2.0+

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

processing/p5.js#7597 · 2 comments · Opened Mar 4, 2025
Transition from JavaScript to TypeScript for improved maintainability Open

Discussion

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

processing/p5.js#7577 · 5 comments · Opened Feb 25, 2025
key may be incorrect inside an event handler Open

Area:Events Bug Help Wanted

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

processing/p5.js#7569 · 10 comments · Opened Feb 20, 2025
noSmooth() breaks positioned WEBGL canvas Open

Area:Core Area:WebGL Bug Good First Issue Help Wanted

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

processing/p5.js#7548 · 9 comments · Opened Feb 15, 2025
[p5.js 2.0 Beta Bug Report]: Confusing log when loading font with callback Open

Bug Friendly Errors p5.js 2.0+

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

processing/p5.js#7541 · 8 comments · Opened Feb 12, 2025
p5.js 2.0 🙏 P5LIVE Open

Area:Core p5.js 2.0+

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

processing/p5.js#7537 · 2 comments · 1 reaction · Opened Feb 11, 2025
[p5.js 2.0 Beta Bug Report]: vertexProperty() breaks if drawing with strokes Open

Area:WebGL p5.js 2.0+

processing/p5.js#7519 · 2 comments · 1 assignee · Opened Feb 1, 2025

A short digest of beginner-friendly GitHub issues.