chartjs/Chart.js

Simple HTML5 Charts using the <canvas> tag

Stars: 67.7k
Forks: 11.9k
Open beginner issues: 0
Indexed issues: 496
Avg merge: 7h 39m
Merged PRs (30d): 5

Dominant language: JavaScript
License: MIT
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Open All

496 open issues indexed

PackedCircle Open

status: implement externally type: enhancement

chartjs/Chart.js#11443 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Multiple charts freeze Firefox tab with maintainAspectRatio: false Open

type: bug

chartjs/Chart.js#11444 · 8 comments · 4 reactions · 0 assignees · Indexed Sep 14, 2026
chart.cjs blocked by CDN Open

type: bug

chartjs/Chart.js#11447 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
tooltip titleSpacing option has no effect Open

type: documentation

chartjs/Chart.js#11459 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Long force-rotated horizontal labels are cut off Open

type: bug

chartjs/Chart.js#11463 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PHP composer package for Chart.js is broken because of missing dist directory Open

type: bug

chartjs/Chart.js#11478 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Line event handling Open

type: enhancement

chartjs/Chart.js#11482 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
It would be great if you can add anatomy of each chart in documentation Open

type: enhancement

chartjs/Chart.js#11484 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bubble] radius function resize browser Open

type: bug

chartjs/Chart.js#11486 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Tooltip animation options has no effect on tooltip fade in animation Open

type: bug

chartjs/Chart.js#11491 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Legend event onLeave Open

type: bug

chartjs/Chart.js#11494 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Category scale infers labels from data plotted on other scales Open

type: bug

chartjs/Chart.js#11495 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add secondary color to empty spaces when using border dash in a line chart Open

type: enhancement

chartjs/Chart.js#11496 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
VueJS Yarn build failed with error Command failed with exit code 1. Open

type: bug

chartjs/Chart.js#11506 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Colors of points in line chart doesn't update when chart.update("none") is set Open

type: bug

chartjs/Chart.js#11507 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
stacked option for radar chart Open

type: enhancement

chartjs/Chart.js#11513 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
need to remove a gap between elements of stacked bar Open

type: bug

chartjs/Chart.js#11515 · 10 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Chart.js v4 onwards, Missing Class properties transform Open

type: bug

chartjs/Chart.js#11523 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Show Data Time in Line Chart Open

type: documentation

chartjs/Chart.js#11524 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assign yAxisID to datapoint Open

type: enhancement

chartjs/Chart.js#11526 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Line chart disappearing in few seconds Open

status: needs test case type: bug

chartjs/Chart.js#11530 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Data points in a line chart are not hidden after update Open

type: bug

chartjs/Chart.js#11532 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Events can't be used with Legend plugin Open

type: bug

chartjs/Chart.js#11538 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Docs: Tweak up pie/polar/donut chart legend description Open

type: documentation

chartjs/Chart.js#11543 · 1 comment · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Single timeseries bar chart creates multiple ticks Open

type: bug

chartjs/Chart.js#11545 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Please can #10890 be reopened as it's not fixed? Open

type: bug

chartjs/Chart.js#11547 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Chart fade in from top left Open

type: bug

chartjs/Chart.js#11550 · 9 comments · 8 reactions · 0 assignees · Indexed Sep 14, 2026
Chart.js doesn't work on iOS 13 Open

type: bug

chartjs/Chart.js#11554 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Pie Chart scales even if animation.animateScale = false when the container go from display:none to display:block Open

type: bug

chartjs/Chart.js#11555 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Grouped bar chart stacked by y axis. Open

type: enhancement

chartjs/Chart.js#11556 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Chart behaves weirdly on large dataset with large canvas width size Open

type: bug

chartjs/Chart.js#11557 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Labels overlapping on X-axis when they shouldn't Open

type: bug

chartjs/Chart.js#11568 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Support Legend Text Styling (To Visualize Hover) Open

type: enhancement

chartjs/Chart.js#11571 · 3 comments · 6 reactions · 0 assignees · Indexed Sep 14, 2026
Building for production removes y axis ticks Open

type: bug

chartjs/Chart.js#11573 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Confidence levels in Line chart Open

type: enhancement

chartjs/Chart.js#11574 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
LineChart disappears while zooming in if spanGaps: true and non-null datapoints are out of bounds Open

chartjs/Chart.js#11956 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Race condition when adding points too fast Open

type: bug

chartjs/Chart.js#11578 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Platform-specific requestAnimationFrame Open

type: enhancement

chartjs/Chart.js#11579 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Time cartesian axis generates incorrect tick width for first and last tick Open

type: bug

chartjs/Chart.js#11582 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Guidance on adding line shadows in v4 Open

type: documentation

chartjs/Chart.js#11583 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Doughnut chart has an active element when hovering out Open

type: bug

chartjs/Chart.js#11587 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Label font style not rendering due to having some 'null' points in the array. Open

type: bug

chartjs/Chart.js#11590 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Line chart type time data is being grouped incorrectly Open

type: bug

chartjs/Chart.js#11591 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
CDN version of the plain (esm) chart.js cannot be imported? Open

type: bug

chartjs/Chart.js#11592 · 25 comments · 10 reactions · 0 assignees · Indexed Sep 14, 2026
Bottom line under 0 (zero) is drawn in line chart but shouldn't if tick beginAtZero is set to 0 Open

type: bug

chartjs/Chart.js#11593 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
"pie": Runtime errors when setting legend position to "left" or "right" Open

type: bug

chartjs/Chart.js#11594 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Polar line plot Open

type: enhancement

chartjs/Chart.js#11604 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Type error related to 'cutout' in chart options Open

type: bug type: types

chartjs/Chart.js#11608 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How to create custom legend/ How to provide line break in the legend if it is long text? Open

type: documentation

chartjs/Chart.js#11609 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
2 Bar and 2 Line chart are not aligning with each other. Open

type: bug

chartjs/Chart.js#11610 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

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