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Streamlit — A faster way to build and share data apps.

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1.58.0 Security relevant
Auth RBAC

Breaking removals + new features

patches CVE-2023-4863
Open
1.57.0 Breaking risk
Breaking changes
  • Starlette is now the default server; Tornado removed
  • Removed deprecated kwargs from st.plotly_chart and st.vega_lite_chart
  • Removed deprecated _get_websocket_headers function
Notable features
  • Expose st.App in st namespace
  • Expose st.bottom container
  • Add secrets parameter to st.App
Full changelog

What's Changed

Breaking Changes 🛠

  • [feature] Make Starlette the default server and remove Tornado by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14553
  • [chore] Remove deprecated kwargs from plotly_chart and vega_lite_chart by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14800
  • [chore] Remove deprecated _get_websocket_headers function by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14801
  • [feature] Direct polars to arrow conversion bypassing pandas by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14885

New Features 🎉

  • [feature] Hide chevron for menu-style icon labels for st.menu_button and st.popover by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14697
  • [feature] Add pills, segmented_control properties and dataframe key to AppTest by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14518
  • [feature] Add title parameter to alert elements by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14665
  • [feat] Add :shimmer[] markdown directive for animated loading text by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14055
  • [feature] Expose App in the st namespace by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14722
  • Bundle OSS developing-with-streamlit core skills in pip package by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/14745
  • [fix] Add border radius to video and map elements by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14781
  • [feature] Add secrets parameter to st.App by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14861
  • Add app and theme templates to bundled skills by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/14746
  • [feature] Expose st.bottom container by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14726

Bug Fixes 🐛

  • [feature] Deduplicate equivalent file extensions in file uploader display by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14552
  • [fix] st.dataframe crash with pandas 3 ArrowStringArray by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14611
  • fix(caching): chain original exception in UnserializableReturnValueError by @mango766 in https://github.com/streamlit/streamlit/pull/14655
  • [fix] inconsistent space encoding in query params by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14691
  • [fix] Preserve None values in st.data_editor with pandas 3.0+ by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14694
  • [Fix] Add CSS Color Level 4 support by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14674
  • [fix] Evict namespace children when watched sources reload by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14708
  • [fix] Downcast large Arrow types in custom component v1 serialization by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/14617
  • [fix] Retain st.radio selection for format_func and custom options by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14815
  • Fix bar_chart axis labels not swapping when horizontal=True by @kmcgrady in https://github.com/streamlit/streamlit/pull/14866
  • [fix] st.text_area height='content' sizing on initial load by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14884

Other Changes

  • [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14576
  • [chore] Release v1.56.0 by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14598
  • Docs for dataframe programmatic selections by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14616
  • [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14649
  • [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14752
  • [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14869
  • Docs for audio and video columns by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14628

New Contributors

  • @dagecko made their first contribution in https://github.com/streamlit/streamlit/pull/14554
  • @mango766 made their first contribution in https://github.com/streamlit/streamlit/pull/14655
  • @sfc-gh-wschmitt made their first contribution in https://github.com/streamlit/streamlit/pull/14922

Full Changelog: https://github.com/streamlit/streamlit/compare/1.56.0...1.57.0

View release on GitHub
1.56.0 New feature
Notable features
  • New st.menu_button widget and st.iframe command
  • AudioColumn and VideoColumn for st.column_config
  • State persistence for tabs, expanders, and popovers
View release on GitHub
1.55.0 Breaking risk
Breaking changes
  • SnowparkConnection marked as deprecated
Security fixes
  • Prevent SSRF attacks via path traversal in component file handling
Notable features
  • Query parameter binding for multiple widgets
  • Dynamic containers with state persistence
  • OAuth and OIDC token improvements
View release on GitHub
1.54.0 Breaking risk
Breaking changes
  • Removed experimental query params
  • Removed deprecated st.experimental_user command
  • add_rows deprecation now shown in browser
Notable features
  • Use key as main identity for dataframe and vega chart selections
  • Dynamic parameter changes for date_input and datetime_input
  • Support for material icons and emojis in st.logo
View release on GitHub
1.53.0 Breaking risk
Breaking changes
  • isolate_styles parameter moved in CCv2
  • External CCv2 type names renamed
Notable features
  • Markdown support for metric values and deltas
  • Session-scoped connections and cache support
  • Enhanced chat_input with dynamic layout and file upload improvements
View release on GitHub

Beta — feedback welcome: [email protected]