leeoniya/uPlot

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📈 A small, fast chart for time series, lines, areas, ohlc & bars

Stars: 10.5k
Forks: 463
Open beginner issues: 0
Indexed issues: 123

Dominant language: JavaScript
License: MIT
Last GitHub push: Sep 20, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

123 open issues indexed

[QUESTION] WASM backend Open

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

leeoniya/uPlot#1141 · 9 comments · Opened Aug 17, 2026
New release? Open

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

leeoniya/uPlot#1136 · 3 comments · Opened Jun 26, 2026
Grouped and stacked bar charts Open

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

leeoniya/uPlot#1128 · Opened Mar 2, 2026
cursor.drag: Continue updating/clamping zoom box when mouse leaves chart area Open

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

leeoniya/uPlot#1126 · 5 comments · Opened Feb 25, 2026
Zero copy data API Open

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

leeoniya/uPlot#1124 · 6 comments · Opened Jan 22, 2026
Confusing interplay between sync and lock Open

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

leeoniya/uPlot#1120 · Opened Dec 28, 2025
version 1.6.29 broke our zoom plugin Open

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

leeoniya/uPlot#1115 · 2 comments · Opened Nov 20, 2025
Nothing is rendered for series when value is surrounded by null values Open

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

leeoniya/uPlot#1114 · 5 comments · Opened Nov 18, 2025
cursor hover with shared X: per-series nearest Y using cursor.dataIdx Open

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

leeoniya/uPlot#1113 · 2 comments · Opened Nov 18, 2025
missing data gap clipping should honour line width Open

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

leeoniya/uPlot#1109 · 16 comments · Opened Nov 12, 2025
Multiple y axis setScale does not work on other axis in mode 2 Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

leeoniya/uPlot#1107 · 2 comments · Opened Oct 29, 2025
add a method for rapidly panning / scaling the view Open

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

leeoniya/uPlot#1105 · Opened Oct 24, 2025
Cannot Draw Grouped Bars (Plugin) Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

leeoniya/uPlot#1079 · 3 comments · Opened Aug 18, 2025
How to set each point in a scatter plot to have a different color Open

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

leeoniya/uPlot#1076 · 2 comments · Opened Aug 1, 2025
Default style can't handle responsive resize Open

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

leeoniya/uPlot#1075 · 3 comments · 1 reaction · Opened Jul 31, 2025
this.chart.setScale does not work correctly Open

question

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

leeoniya/uPlot#1063 · 1 comment · Opened Jun 10, 2025
Add the `_lock` field in TypeScript. Open

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

leeoniya/uPlot#1062 · 1 comment · 1 reaction · Opened May 28, 2025
Solid uPlot Open

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

leeoniya/uPlot#1061 · Opened May 27, 2025
Curiosity - 2D Array Data Structure Open

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

leeoniya/uPlot#1057 · 1 comment · Opened Apr 22, 2025
cursor bind demo with sync Open

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

leeoniya/uPlot#1055 · Opened Apr 20, 2025
Float32Arrays with `NaN`s as its first elements not plotting anymore on version > 1.6.30 Open

question

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

leeoniya/uPlot#1045 · 5 comments · Opened Mar 25, 2025
Seriesbarplugin incompatible with with candlestickplugin? Open

demos enhancement

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

leeoniya/uPlot#1043 · 2 comments · Opened Mar 18, 2025
missing points in plot when surrounded by null values Open

demos enhancement question

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

leeoniya/uPlot#1042 · 1 comment · 1 reaction · Opened Mar 17, 2025
Polar line graphs (or graphs where one axis happens to be circular) Open

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

leeoniya/uPlot#1033 · 18 comments · Opened Feb 4, 2025
scale.asinh should be a function Open

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

leeoniya/uPlot#1008 · 1 comment · Opened Oct 11, 2024
Allow inverting series highlight behavior: change only color/alpha of the hovered series Open

question

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

leeoniya/uPlot#990 · 5 comments · Opened Aug 21, 2024
Strategies for showing a few unaligned / sparse data points among mostly aligned data Open

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

leeoniya/uPlot#978 · 10 comments · Opened Jul 25, 2024
Accessibility Open

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

leeoniya/uPlot#954 · 3 comments · Opened May 27, 2024
Best practice to avoid clipped axis ticks' labels Open

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

leeoniya/uPlot#944 · 2 comments · Opened Apr 23, 2024
Setting Legend Markers using Paths Open

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

leeoniya/uPlot#941 · 1 comment · Opened Apr 15, 2024
Ranger selection does not trigger mousemove event. Open

question

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

leeoniya/uPlot#935 · 11 comments · Opened Mar 11, 2024
base 2 ranging and ticks without log scale Open

enhancement

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

leeoniya/uPlot#933 · Opened Mar 9, 2024
add new "justify" scale type Open

feature

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

leeoniya/uPlot#928 · Opened Feb 26, 2024
Rotating ticks on axes other than bottom(2) Open

question

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

leeoniya/uPlot#926 · 1 comment · Opened Feb 20, 2024
Is there a way to reset scales programmatically? Open

question

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

leeoniya/uPlot#924 · 3 comments · Opened Feb 12, 2024
Interactive canvas layer Open

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

leeoniya/uPlot#922 · 19 comments · Opened Feb 5, 2024
Can scatter plot achieve the shape of scatter points? Open

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

leeoniya/uPlot#913 · 1 comment · Opened Jan 16, 2024
multi-bars valToPos Open

question

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

leeoniya/uPlot#903 · 3 comments · Opened Dec 18, 2023
ordinal y scales Open

enhancement

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

leeoniya/uPlot#894 · Opened Nov 15, 2023
add something like series.order Open

feature

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

leeoniya/uPlot#893 · Opened Nov 14, 2023
explore using bands (and cached paths) as a stroke and/or fill style for another series Open

feature

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

leeoniya/uPlot#889 · 2 comments · Opened Nov 3, 2023
make it possible to indicate multiple x and y facets in mode 2 Open

enhancement

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

leeoniya/uPlot#883 · Opened Oct 24, 2023
Preserve selection Open

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

leeoniya/uPlot#882 · 2 comments · Opened Oct 23, 2023
doesn't work zooming Xscale with static range Open

question

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

leeoniya/uPlot#878 · 6 comments · Opened Oct 11, 2023
.u-over needs an inner clipping region Open

enhancement

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

leeoniya/uPlot#876 · Opened Oct 2, 2023
series without a stroke cause bugs in point rendering and hover points Open

bug

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

leeoniya/uPlot#874 · 1 reaction · Opened Sep 21, 2023
a question with hooks setSeries? Open

question

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

leeoniya/uPlot#866 · 7 comments · Opened Aug 23, 2023
Align two Y-axis scales Open

enhancement

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

leeoniya/uPlot#864 · 3 comments · 1 reaction · Opened Aug 16, 2023
I want to modify series.stroke in the form of an API Open

enhancement

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

leeoniya/uPlot#863 · 2 comments · Opened Aug 11, 2023
Screenshot testing Open

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

leeoniya/uPlot#858 · Opened Jul 29, 2023

leeoniya/uPlot

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