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 1.49.0 (latest)

Release date: August 26, 2025

Highlights

• 📄 Introducing st.pdf to beautifully render PDF documents in your app!
• ⛏️ Dataframes support cell selections!
• ✨ You can add sparklines to st.metric!
• ✏️ ListColumn is now editable!
• 📂 Users can upload a directory of files with st.file_uploader or st.chat_input.

Notable Changes

• 🏷️ You can configure the labels of options in SelectboxColumn with a new format_func parameter (#12232, #6795).
• 🍞 You can configure the duration of st.toast messages (#11872, #7047).
• 🔑 st.form_submit_button has a key parameter (#12190, #12121).
• 🌻 Markdown and heading dividers can be yellow (#12201).
• 💬 st.dialog widths have a larger option (#12040, #8904).
• 💻 st.dataframe and st.data_editor have width and height to use with flex layouts (#11930).
• 🖼️ st.image, st.pyplot, and st.graphviz_chart have a width parameter to use them with flex layouts (#11952, #12212).
• 📈 Users can access the underlying data of a Vega chart through the toolbar. This includes all data passed to the chart, even if it's not displayed (#10311).
• ☠️ st.bokeh_chart is deprecated. Use the streamlit-bokeh custom component instead.
• 🧹 We removed deprecated commands and parameters: st.experimental_dialog, st.experimental_fragment, and caching's experimental_allow_widgets (#12167).

Other Changes

• 🏃‍♂️ For better performance, st.slider will not rerun the app until the user releases the slider thumb (#11879, #4541).
• 💅 For improved custom theming, single mark charts use the first categorical chart color (#12162).
• 🌐 For st.logo, the crossorigin property can be configured by hosts (#12226).
• 🎨 The colored decoration line at the top of Streamlit apps was removed (#12155).
• 👻 The copy-to-clipboard function of multiple elements gives a checkmark feedback to users when they copy something (#12141, #12172).
• 🫥 Users can quickly hide or unhide all columns in a dataframe (#12164, #12082). Thanks, plumol!
• ℹ️ Material icons were updated (#12264).
• 👽 Bug fix: CheckboxColumn uses the radii from the theming configuration options (#12263).
• 🦀 Bug fix: A column's menu is not accessible when the column is hidden (#12233, #12230). Thanks, plumol!
• 🦋 Bug fix: Streamlit correctly caches Pydantic models (#12137, #10348).
• 🦎 Bug fix: st.plotly_chart correctly handles null selections (#12222, #12191).
• 🐌 Bug fix: When using accept_new_options=True with st.selectbox, mobile users can access their keyboards (#12219, #12205).
• 🕸️ Bug fix: Streamlit does not raise an error when the user's email is empty and server.showEmailPrompt is false (#12202, #12166). Thanks, wyattscarpenter!
• 🦗 Bug fix: The drop area of st.file_uploader correctly truncates a long list of file types (#12192, #12189).
• 🦂 Bug fix: The corner radius of st.page_link matches the navigation widget instead of the border radius configured for buttons (#12181).
• 🦟 Bug fix: Cached replay correctly handles element height and width for flex layouts (#12183).
• 🦠 Bug fix: When a client disconnects from a Streamlit server and the user dismisses the warning, the client will re-raise the warning while the app remains disconnected (#12178, #12113).
• 🪰 Bug fix: Identity provider logout was reverted to prevent redirect failures in st.logout() (#12179).
• 🪳 Bug fix: Currency symbols in column configuration are narrowly formatted (#11895).
• 🕷️ Bug fix: Users can't remove files from st.file_uploader while the widget is disabled (#12180, #12146).
• 🐞 Bug fix: pip install works correctly in Windows (#8952). Thanks, Dev-iL!
• 🐝 Bug fix: The drop-down menu for st.time_input uses theme colors consistently with other elements (#12157).
• 🐜 Bug fix: st.toast uses custom theme colors (#12160, #11951).
• 🪲 Bug fix: The width handling of custom components was updated to work with horizontal containers (#12148).
• 🐛 Bug fix: st.chat_input correctly resizes itself after the user submits a long message (#12132, #12079).

Older versions of Streamlit

• 2025 release notes
• 2024 release notes
• 2023 release notes
• 2022 release notes
• 2021 release notes
• 2020 release notes
• 2019 release notes

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