plotly/dash

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Data Apps & Dashboards for Python. No JavaScript Required.

Stars: 24.4k
Forks: 2.3k
Open beginner issues: 0
Indexed issues: 434
Avg merge: 2d 7h
Merged PRs (30d): 13

Dominant language: Python
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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434 open issues indexed

[Feature Request] Add support for ws.send_event to a clientside EventBus Open

enhancement P3 size: 10+

plotly/dash#3981 · 2 comments · 1 assignee · Opened Sep 13, 2026
[BUG] Dash Hooks missing docstring Open

P2 size: 1 task

plotly/dash#3979 · 1 assignee · Opened Sep 10, 2026
[Feature Request] Condition dcc.Link's window.scrollTo(0,0) on a component prop Open

enhancement P3 size: 1

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

plotly/dash#3974 · 2 comments · Opened Sep 4, 2026
[BUG] Race condition in Dash._setup_server(): guard flag is set before the work it protects Open

bug P2 size: 5

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

plotly/dash#3971 · 4 comments · Opened Sep 3, 2026
[BUG] ctx.triggered_id is not recognized as a dict Open

P3 size: 1 task

Difficulty 3/5 1-2 days Newbie friendliness 63/100

plotly/dash#3968 · 4 comments · Opened Sep 1, 2026
[BUG] Dash.run(debug=True, backend="fastapi") reload subprocess silently ignores reload_dirs/reload_excludes kwargs Open

bug P2 size: 1

plotly/dash#3962 · 1 comment · 1 reaction · 1 assignee · Opened Aug 27, 2026
[Feature Request] Update Mathjax to 4.x Open

bug P2 size: 3

plotly/dash#3956 · 1 comment · 1 assignee · Opened Aug 21, 2026
[BUG] Dev Tools: Callback map error: Not possible to find intersection inside of the rectangle Open

bug P2 size: 3

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

plotly/dash#3943 · 4 comments · Opened Aug 6, 2026
[BUG] dcc.Patch() wipes persistence of sibling pattern-matching elements Open

bug P2 size: 1

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

plotly/dash#3937 · 1 comment · Opened Aug 3, 2026
[BUG] `dcc.RangeSlider` ignores `allowCross=False` and lets handles cross Open

bug P2 size: 1

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

plotly/dash#3935 · 1 comment · Opened Aug 1, 2026
[BUG] dbc Tabs not showing default first tab anymore with Dash 4.2.0 and higher Open

bug P1 size: 3

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

plotly/dash#3929 · 2 comments · Opened Jul 31, 2026
[Feature Request] Option to compress request payload in a callback Open

enhancement P3 size: 3

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

plotly/dash#3924 · 1 comment · 4 reactions · Opened Jul 29, 2026
[Feature Request] Support Curved Decision Boundaries and Dynamic Phase Detection for Bar Components Open

enhancement P3 size: 5

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

plotly/dash#3913 · 3 comments · Opened Jul 22, 2026
[BUG] Callbacks still double-register with uvicorn `--reload` when an explicit `name` is passed to `Dash()` (incomplete fix for #3818 / #3883) Open

enhancement P3 size: 10+

Difficulty 4/5 3-5 days Newbie friendliness 55/100

plotly/dash#3912 · 1 comment · Opened Jul 22, 2026
(Docs Update) Using .mjs assets requires explicit mimetype specification Open

P3 size: 1 task

plotly/dash#3900 · 3 comments · 1 assignee · Opened Jul 16, 2026
[BUG] Graphs excluded from print pages if they have over 1000 datapoints Open

bug P3 size: 10+

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

plotly/dash#3889 · 2 comments · Opened Jul 10, 2026
[BUG] Jupyter jupyter_dash.infer_jupyter_proxy_config() doesn't work with ipykernel>=7 Open

bug P3 size: 5

plotly/dash#3833 · 1 comment · 1 assignee · Opened Jun 19, 2026
[Feature Request] Avoid rendering dcc.Graph unless visible in the DOM Open

enhancement feature P2 size: 5

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

plotly/dash#3820 · 3 comments · Opened Jun 16, 2026
[Feature Request] Customizing Document Title Per Callback Open

enhancement P3 size: 3

plotly/dash#3782 · 3 comments · 1 assignee · Opened May 13, 2026
Extract repeated steps in github testing workflow. Open

enhancement P3 size: 1

plotly/dash#3751 · 1 assignee · Opened Apr 20, 2026
Extract graph schema validation into properly named test Open

good first issue P3 size: 1 task

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

plotly/dash#3735 · 3 comments · Opened Apr 10, 2026
[BUG] Celery Background Callback Manager fails with Non-Key/Value-Backends Open

bug P3 size: 5

plotly/dash#3729 · 7 comments · 1 assignee · Opened Apr 7, 2026
[Feature Request] expose the colorbar as a standalone graph object Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

plotly/dash#3708 · 1 comment · 1 reaction · Opened Mar 31, 2026
[BUG] dcc.DatePickerRange doesn't update on blur Open

plotly/dash#3678 · 1 assignee · Opened Mar 20, 2026
[BUG] Tooltip zindex incorrect on overlapping sliders Open

plotly/dash#3632 · 2 comments · 1 assignee · Opened Feb 26, 2026
[BUG] Exceptions in Background Callback Cause `InvalidCallbackReturnValue` When Using Custom Error Handler Open

plotly/dash#3628 · 1 assignee · Opened Feb 25, 2026
[Feature Request] Debug toolbar - Add a copy button for each error Open

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

plotly/dash#3624 · 1 comment · Opened Feb 24, 2026
[Visual Request] Suggestions for improving default slider styling in dash=4.0.0 Open

plotly/dash#3611 · 5 comments · 1 assignee · Opened Feb 17, 2026
[BUG] Clientside callbacks with the same input and no outputs override each other Open

plotly/dash#3596 · 1 assignee · Opened Feb 3, 2026
[BUG] dcc.Loading stops spinning prematurely since version 3 Open

plotly/dash#3594 · 2 comments · 1 reaction · 1 assignee · Opened Feb 1, 2026
[Feature Request] Default selection of "today" for date pickers Open

plotly/dash#3593 · 2 comments · 1 assignee · Opened Jan 29, 2026
[Feature Request] Dev Tools Callback Graph - Allow hiding specific `DashDependency` objects Open

feature

plotly/dash#3587 · 3 comments · 1 reaction · 1 assignee · Opened Jan 22, 2026
[Feature Request] Dev Tools Callback Graph per Page Open

feature

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

plotly/dash#3586 · 1 comment · 1 reaction · Opened Jan 22, 2026
[BUG]-Pages redirection doesn't on DE workspace Open

plotly/dash#3549 · 1 comment · 1 assignee · Opened Dec 18, 2025
[BUG] No inline mode option in Google Colab Open

plotly/dash#3509 · 4 comments · 2 reactions · 1 assignee · Opened Nov 13, 2025
Evaluate support for free-threaded Python 3.14 Open

feature P3

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

plotly/dash#3501 · 2 reactions · Opened Nov 11, 2025
[Feature Request] Create OpenTelemetry instrument on callbacks of Dash Open

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

plotly/dash#3492 · 1 comment · Opened Nov 4, 2025
[BUG] Dash Table's cell can't get smaller than 30px Open

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

plotly/dash#3489 · Opened Oct 29, 2025
[BUG] Error when using . in dict ids Open

bug P3

plotly/dash#3480 · 1 comment · 1 assignee · Opened Oct 14, 2025
[BUG] Loading disappears too soon when callback updating its content is triggered multiple times Open

bug P2

plotly/dash#3478 · 1 comment · 1 assignee · Opened Oct 13, 2025
[Feature Request] PreProcess and PostProcess Callback Hooks Open

feature P2

plotly/dash#3471 · 4 comments · 3 reactions · 2 assignees · Opened Oct 8, 2025
[BUG] Flaky Selenium `send_keys` Tests Open

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

plotly/dash#3431 · Opened Sep 10, 2025
[Feature Request] Better static type checking support Open

feature P3

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

plotly/dash#3428 · 1 comment · Opened Sep 5, 2025
Component with duplicate id doesn't raise a warning if created in a callback - overwrites the callback(s) the first component was part of Open

bug cs P1

plotly/dash#3420 · 1 assignee · Opened Aug 29, 2025
[BUG] @callbacks not being registered when @app.callback and @callback with duplicate outputs are used Open

bug cs

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

plotly/dash#3419 · Opened Aug 28, 2025
[BUG] All graphs are monotonically increasing `y = x` Open

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

plotly/dash#3417 · 1 comment · Opened Aug 27, 2025
[BUG] DCC graph rendering of 'relative' bar inconsistent Open

bug P2

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

plotly/dash#3405 · 1 comment · Opened Aug 18, 2025
[BUG] Data table tooltips position is wrong when combined with sorting Open

bug

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

plotly/dash#3404 · Opened Aug 18, 2025
[Feature Request] Support for DASH_HOST / DASH_PORT as environment overrides Open

feature

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

plotly/dash#3400 · Opened Aug 13, 2025
[BUG] dash>=3.1.0 not compatible with redis==5.3.0 Open

regression

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

plotly/dash#3399 · 2 comments · 1 reaction · Opened Aug 11, 2025

plotly/dash

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