Release notes

This page lists highlights, bug fixes, and known issues for the latest release of Streamlit. If you're looking for information about nightly releases or experimental features, see Pre-release features.

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Version 1.41.0 (latest)

Release date: December 10, 2024

Notable Changes

  • 🔲 st.metric and st.columns have a parameter to show an optional border (#9927, #9928).
  • 🎨 Text and background color in Markdown can use the "primary" color from the theme.primaryColor configuration option (#9676).
  • 🥶 You can freeze columns with column configuration to make them always visible when scrolling horizontally (#9535, #7078).
  • 3️⃣ The type parameter for buttons accepts a new option, "tertiary" (#9923).
  • 🚶‍♂️ Streamlit supports pathlib.Path objects everywhere you can use a string path (#9711, #9783).
  • ⏱️ st.date_input and st.time_input accept ISO formatted strings for initial values (#9753).
  • 💬 st.write_stream accepts async generators, which it converts internally to sync generators (#8724, #8161).
  • 🪵 The client.showErrorDetails configuration option has additional values to show or hide more information (#9909).
  • 🔎 When Streamlit shows stack traces in the app for uncaught exceptions, internal code is omitted or reduced for easier debugging (#9913).
  • 📈 st.line_chart shows tooltips for the nearest point on hover (#9674).
  • 🌐 st.html will attempt to convert non-string objects with ._repr_html_() before falling back to str() (#9877).
  • 🐍 Streamlit supports Python 3.13 and no longer supports Python 3.8 (#9635).

Other Changes

  • 🔣 Material Symbols have been updated with the latest icons (#9813, #9810).
  • 👽 Streamlit supports Watchdog version 6 (#9785). Thanks, RubenVanEldik.
  • 🌀 Bug fix: Streamlit only shows cached function spinners on cache misses and doesn't show spinners for nested cached functions (#9956, #9951).
  • 🔈 Bug fix: Streamlit's audio buffer handles channels better to correctly play audio recordings in Firefox (#9885, #9799).
  • 🦊 Bug fix: URL patterns are matched correctly to allow Community Cloud developer tools to display correctly in Firefox (#9849, #9848).
  • ☠️ Bug fix: Corrected a performance and alignment problem with containers (#9901, #9456, #9560).
  • 👻 Bug fix: st.rerun will raise an error if an invalid scope is passed to it (#9911, #9908).
  • 🦋 Bug fix: Dataframe toolbars show correctly in dialogs (#9897, #9461).
  • 🦀 Bug fix: LinkColumn regex for display_text uses the correct URI decoding (#9895, #9893).
  • 🦎 Bug fix: st.dataframe has correct type hinting when on_selection="ignore" (#9898, #9669).
  • 🐌 Bug fix: Padding is applied consistently for wide and centered layout mode (#9882, #9707).
  • 🕸️ Bug fix: st.graphviz_chart is displayed correctly when use_container_width=True (#9867, #9866).
  • 🦗 Bug fix: The overloaded definitions of st.pills and st.segmented_control use the correct selection-mode default (#9801). Thanks, RubenVanEldik!
  • 🦂 Bug fix: st.text_area (and other widgets) are correctly submitted in a form when using Ctrl+Enter (#9847, #9841).
  • 🦟 Bug Fix: st.write renders DeltaGenerator objects with st.help (#9828, #9827).
  • 🦠 Bug fix: st.text_area correctly matches the value in Session State when used with a key (#9829, #9825).
  • 🪰 Bug fix: st.text_input does not trigger a rerun when a user submits an unchanged value (#9826).
  • 🪳 Bug fix: Improved styling for st.exception to fix overflow and incorrect padding (#9818, #9817, #9816).
  • 🕷️ Bug fix: Large dataframe don't overflow and cover the dataframe toolbar in fullscreen mode (#9803, #9798).
  • 🐞 Bug fix: st.audio_input shows the correct time on recording in time zones with a half-hour offset (#9791, #9631).
  • 🐝 Bug fix: In iOS, st.number_input shows a number pad instead of a keyboard when in focus (#9766, #9763).
  • 🐜 Bug fix: Widget keys containing hyphens are correctly added to HTML classes in the DOM with an st-key- prefix (#9793).
  • 🪲 Bug fix: Audio files created by st.audio_input include a timestamp to ensure unique file names (#9768).
  • 🐛 Bug fix: Double slash URL pathnames do not create a 301 redirect (#9754, #9690).

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