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 1.43.0 (latest)

Release date: March 4, 2025

Highlights

📁 Announcing the option to accept files with st.chat_input!
📒 Introducing a new column type for column configuration! Use JsonColumn to show JSON-compatible objects.

Notable Changes

🏃 You can prevent st.download_button from triggering a rerun by setting on_click="ignore" (#10296, #4382).
🕑 You can access a user's timezone and timezone offset through st.context (#10336).
↕️ You can configure the row height in st.dataframe and st.data_editor with a new parameter (#9549, #7266, #8632, #5386).
💅 st.dataframe and st.data_editor use use_container_width=True by default (#10434).
🤏 Markdown has a small text directive (#10487, #10486).
🧵 You can pass strings, paths, and callables to st.navigation in place of StreamlitPage objects for convenience (#10358, #10069). Thanks, ashm-dev!
📈 Streamlit has a new custom component, streamlit-bokeh, to support the latest version of Bokeh (#10374, #5858).
🔣 NumberColumn, ProgressColumn, DatetimeColumn, DateColumn, and TimeColumn have preconfigured format options for ease of use (#10179, #8788, #7702).
🛎️ Static file serving supports files with JSON, XML, and common font file extensions. (#10417, #10335, #10337, #10302).

Other Changes

🥷 Users can hide dataframe columns (#10264, #6870).
📅 Users can change the format of numbers, dates, and times in dataframes (#10420).
↔️ Users can auto-size column widths (#10476).
🐻‍❄️ Streamlit supports Polars dataframe and series hashing (#10408, #10347).
☠️ rich is no longer a required dependency for Streamlit (#10320).
🦋 st.file_uploader has a better display format in narrow containers (#10272).
🦎 Bug fix: Tabs are prevented from having a width of zero to prevent flickering (#10533).
🐌 Bug fix: Column order is correctly displayed when set in column configuration (#10445, #10442).
🕸️ Bug fix: We updated dataframe null handling to prevent deprecation warnings (#10484).
🦗 Bug fix: Elapsed time doesn't overflow for st.audio_input (#10410, #10373). Thanks, ashm-dev!
🦂 Bug fix: st.altair_chart does not show an incorrect "true" tooltip when the user makes a selection (#10456, #10448).
🦟 Bug fix: Streamlit does not raise a RuntimeError when an asyncio event loop is not already running (#10455, #10452).
🦠 Bug fix: The key for an internal MIME type is set correctly to avoid a browser warning (#10404).
🪰 Bug fix: st.data_editor automatically scrolls to the bottom when a user adds a row (#10405, #10351).
🪳 Bug fix: Tooltips are suppressed on user-added rows in st.data_editor to prevent erroneous warnings (#10398).
🕷️ Bug fix: st.logo displays consistently when used with fragments and dialogs (#10377, #10350, #10382).
🐞 Bug fix: st.graphviz_chart has rounded corners for consistent style (#10224).
🐝 Bug fix: Streamlit raises a clear exception when an underscore is used in provider for st.login (#10360, #10356).
🐜 Bug fix: The dataframe column menu displays correctly inside dialogs (#10359, #10357).
🪲 Bug fix: Exception handling was adjusted for improved compatibility with Cython (#10354, #10353). Thanks, tutu-sol!
🐛 Bug fix: st.pills and st.segmented_control have consistent font sizes across browsers (#10349).

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