posit-dev/py-shiny

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Shiny for Python

Stars: 1.8k
Forks: 135
Open beginner issues: 0
Indexed issues: 413
Avg merge: 2d 18h
Merged PRs (30d): 21

Dominant language: Python
License: MIT
Last GitHub push: Sep 13, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

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413 open issues indexed

`Jsonifiable`'s `dict`/`list` arms are invariant, so `dict[str, int]` is not assignable to it Open

ai-triage:done Priority: Medium

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

posit-dev/py-shiny#2497 · Opened Sep 12, 2026
test_server(): status "silent" means "never rendered", which inverts Shiny's own meaning of silent — rename to "never-rendered"? Open

ai-triage:done Priority: Low

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

posit-dev/py-shiny#2493 · Opened Sep 11, 2026
test_server(): a silent req() failure is invisible — get_output() keeps the stale value while the browser blanks the output Open

ai-triage:done Priority: Medium

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

posit-dev/py-shiny#2492 · 1 comment · Opened Sep 11, 2026
Test shinychat's `history=` feature instead of ad hoc bookmark state Open

ai-triage:done Priority: Low

Difficulty 4/5 3-5 days Newbie friendliness 68/100

posit-dev/py-shiny#2489 · 2 comments · Opened Sep 7, 2026
Templates aren't exercised by CI: 5 chat templates were broken for days Open

ai-triage:done bug Priority: Medium

posit-dev/py-shiny#2488 · 1 comment · 1 assignee · Opened Sep 7, 2026
Run gc.collect() at session teardown to promptly release session-scoped resources Open

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

posit-dev/py-shiny#2483 · 1 comment · Opened Sep 4, 2026
[Bug]: shiny 1.7.0 has circular dependency with shinychat Open

ai-triage:done bug needs-triage Priority: Medium

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

posit-dev/py-shiny#2473 · Opened Aug 26, 2026
[Feature]: Column value formatting for render.DataGrid / render.DataTable Open

ai-triage:done enhancement needs-triage Priority: Low

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

posit-dev/py-shiny#2472 · Opened Aug 25, 2026
[Feature]: Support free-threaded CPython without re-enabling the GIL Open

ai-triage:done needs-triage Priority: Low

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

posit-dev/py-shiny#2443 · Opened Aug 12, 2026
test: drop MarkdownStream auto-scroll event waits once shinychat ships the pinning fix Open

ai-triage:done chore Priority: Low testing

Difficulty 3/5 1-2 days Newbie friendliness 55/100

posit-dev/py-shiny#2435 · Opened Aug 12, 2026
[Bug]: `shiny.module` re-exports are stripped from generated type stubs, so Pyright rejects them in Shinylive Open

bug needs-triage Priority: Low

posit-dev/py-shiny#2425 · 1 assignee · Opened Aug 7, 2026
content_type="semi-markdown" exists in the client but not in StreamingContentType Open

enhancement

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

posit-dev/py-shiny#2396 · Opened Aug 1, 2026
render.download_button()/download_link() cannot pass icon, class_ or style Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 65/100

posit-dev/py-shiny#2395 · Opened Aug 1, 2026
Remove Pyright: stub generation can move to `pyrefly stubgen`, but needs pyrefly >= 1.2.0 Open

ai-triage:done chore Priority: Low

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

posit-dev/py-shiny#2391 · 3 comments · Opened Jul 30, 2026
Flaky test: test_auto_scroll_pinning[firefox] (never settled at bottom) Open

ai-generated-issue flaky test

Difficulty 3/5 1-2 days Newbie friendliness 55/100

posit-dev/py-shiny#2351 · 1 comment · Opened Jul 9, 2026
[Bug]: Uncaught TypeError in _shinyResizeObserver.ts when dynamic components/modals are removed Open

ai-triage:needs-review bug needs-triage Priority: High wrong location

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

posit-dev/py-shiny#2273 · 3 comments · Opened Jun 13, 2026
[Bug]: update_checkbox_group requires different selected than input_checkbox_group Open

ai-triage:done bug needs-triage Priority: Low

Difficulty 3/5 1-2 days Newbie friendliness 64/100

posit-dev/py-shiny#2272 · Opened Jun 11, 2026
feat: Add test mode with export_test_values() and /dataobj/shinytest snapshot endpoint Open

ai-triage:done Priority: Medium

posit-dev/py-shiny#2269 · 1 assignee · Opened Jun 2, 2026
[Feature]: Ship py-shiny skills with py-shiny Open

ai-triage:done enhancement needs-triage Priority: Low

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

posit-dev/py-shiny#2268 · Opened Jun 2, 2026
[Feature]: Pass additional parameters from `navset_card_*()` to `card()` Open

ai-triage:accepted enhancement needs-triage Priority: Low

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

posit-dev/py-shiny#2260 · Opened May 22, 2026
js-react template: output renderComp throws on null initial payload Open

needs-triage Priority: Medium

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

posit-dev/py-shiny#2239 · Opened May 12, 2026
[Bug]: Static assets return 404 when installed via uv on Windows Open

bug needs-triage Priority: High

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

posit-dev/py-shiny#2235 · 5 comments · Opened May 8, 2026
[Bug]: Caret Drift BUG repeating even after updating to ver 1.6.1 Open

ai-triage:done bug needs clarification needs-triage Priority: Medium regression

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

posit-dev/py-shiny#2234 · 3 comments · Opened May 6, 2026
[Feature]: add `-h` short hand Open

enhancement to-close

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

posit-dev/py-shiny#2217 · 1 reaction · Opened Apr 12, 2026
feat: Expose missing App attributes in Express via app_opts() and/or an app accessor Open

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

posit-dev/py-shiny#2195 · Opened Mar 13, 2026
[Bug]: Busy indicator is not shown for `ui.output_ui`/`render.ui` Open

ai-triage:needs-review bug needs-triage Priority: Medium wrong location

Difficulty 3/5 1-2 days Newbie friendliness 65/100

posit-dev/py-shiny#2194 · 1 comment · Opened Mar 12, 2026
Feature Request: Server-side File Selection (Similar to R Shiny's shinyFiles) Open

needs-triage

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

posit-dev/py-shiny#2188 · Opened Feb 28, 2026
test(otel): Internal testing Open

posit-dev/py-shiny#2186 · 5 comments · 1 assignee · Opened Feb 27, 2026
feat(otel): Should bookmark save be instrumented? Open

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

posit-dev/py-shiny#2185 · Opened Feb 27, 2026
[Bug]: make upgrade-html-deps is pulling wrong prism version number Open

ai-triage:done bug needs-triage Priority: Low

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

posit-dev/py-shiny#2160 · Opened Feb 2, 2026
[Feature]: Icon function Open

enhancement needs-triage

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

posit-dev/py-shiny#2159 · Opened Jan 30, 2026
[Bug]: shiny wheel ships with extraneous files Open

ai-triage:done bug Priority: Medium

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

posit-dev/py-shiny#2125 · Opened Dec 18, 2025
Add method for registering an `on_stop()` callback Open

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

posit-dev/py-shiny#2124 · 1 comment · Opened Dec 16, 2025
[Bug]: out-of-order values cause expect_selected() to fail for shiny.playwright.controller.InputCheckboxGroup Open

ai-triage:done bug needs-triage Priority: Low

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

posit-dev/py-shiny#2123 · 1 comment · Opened Dec 12, 2025
bug(ui): All closed panels for `ui.accordion(multiple=True)`'s input value should be `()`, not `None` Open

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

posit-dev/py-shiny#2113 · 1 comment · Opened Nov 5, 2025
`shiny.express.ui.modal()` should include an example with a modal with inputs/outputs Open

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

posit-dev/py-shiny#2108 · 5 comments · Opened Oct 29, 2025
[Feature]: Support file change watching other than in app.py location Open

enhancement needs-triage

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

posit-dev/py-shiny#2104 · 3 comments · Opened Oct 21, 2025
[Bug]: Applications seems to crash due to loss of connection to the CSS file Open

question

Difficulty 4/5 3-5 days Newbie friendliness 28/100

posit-dev/py-shiny#2103 · 2 comments · Opened Oct 20, 2025
[Feature]: Change cursor when hovering over input_slider() Open

enhancement needs-triage

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

posit-dev/py-shiny#2087 · 2 comments · Opened Sep 15, 2025
Integration with marimo Open

needs-triage to-close

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

posit-dev/py-shiny#2056 · Opened Aug 11, 2025
Inconsistent behavior when specifying options in update_selectize() Open

needs-triage

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

posit-dev/py-shiny#2055 · Opened Aug 8, 2025
[Feature]: Add error handlers that can catch an error from anywhere in the app Open

enhancement needs-triage

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

posit-dev/py-shiny#2054 · 2 comments · Opened Aug 7, 2025
bug(bookmark): When calling `on_bookmarked()`, we should set the session context for SessionProxy Open

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

posit-dev/py-shiny#2045 · Opened Jul 30, 2025
[Bug]: Some samples not showing correctly in Windows 11 Open

bug to-close

posit-dev/py-shiny#2039 · 25 comments · 1 assignee · Opened Jul 24, 2025
[Feature]: convert R Shiny apps into Shiny for Python Open

enhancement needs-triage

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

posit-dev/py-shiny#2036 · 2 comments · Opened Jul 18, 2025
[Feature]: Enable native AI agent interactivity (WebMCP) for shiny components/apps Open

enhancement needs-triage

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

posit-dev/py-shiny#2023 · 3 comments · Opened Jul 7, 2025
[Bug]: Trivial dependency cycles are not detected, neither output nor errors produced Open

bug needs-triage

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

posit-dev/py-shiny#2009 · 2 comments · Opened Jun 8, 2025
[Feature]: Elaborate "native" support for Plotly charts in Shiny Express (@render.express) Open

enhancement needs-triage

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

posit-dev/py-shiny#2007 · 3 comments · Opened Jun 8, 2025
[Feature]: add `disabled` argument to `ui.input_text()` (and potentially other inputs) Open

enhancement needs-triage

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

posit-dev/py-shiny#2003 · 1 comment · 3 reactions · Opened May 22, 2025
[Bug]: Apps reload multiple times on save when `--reload` is used Open

bug

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

posit-dev/py-shiny#1995 · Opened May 11, 2025

posit-dev/py-shiny

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