2025 release notes

This page contains release notes for Streamlit versions released in 2025. For the latest version of Streamlit, see Release notes.

Version 1.46.0

Release date: June 18, 2025

Highlights

• 🧭 Introducing top navigation! Use st.navigation with position="top" to create a navigation menu across the top of your app.
• 🔆 You can detect if the viewer is in light mode or dark mode at runtime with st.context.theme.

Notable Changes

• 🪺 Streamlit no longer restricts the nesting of columns, expanders, popovers, and chat message containers, but beware of bad design! Always be mindful of different screen sizes and orientations, and don't overuse nested layouts.
• ↔️ You can set the width of most Streamlit elements.
• ⬆️ st.form has a new parameter to configure its height.
• 🛠️ st.columns supports gap=None for no gap between columns.
• 🏋️ Font face declarations in config.toml support weight and unicode ranges (#11248, #11163, #11247).
• 😃 Font face declarations are supported in the window variable (#11628, #11568).
• 🔎 Streamlit searches for secrets and configuration options relative to the entrypoint file in addition to the working directory and user root (#10173, #8195).
• 🎨 A new configuration option, theme.dataframeBorderColor, lets you set the border color for dataframes and tables separately from other border colors (#11475).
• 🌯 A new configuration option, theme.buttonRadius, lets you set the radius of buttons separately from other elements (#11464).
• 🖥️ A new configuration option, theme.codeFontSize, lets you set the size of code in st.code, st.json, and st.help (#11508).
• 🔒 You can configure a list of allowed origins when CORS protection is enabled (#11377).
• 📄 st.set_page_config can be called multiple times in a single script run (#11286, #4483, #2216, #9797, #9038).
• 🗺️ st.pydeck_chart and st.map now use Carto by default to provide map tiles (#11231).
• 👀 You can configure Streamlit to watch additional directories for changes with the new configuration option, server.folderWatchList (#9656, #9655). Thanks, akramsystems!

Other Changes

• 🔘 Exception messages include a copy button to conveniently copy the message to your clipboard (#11250, #11083). Thanks, snakeM!
• ⚓ Streamlit apps can be served from port 3000 (#11525, #8149).
• 👟 Markdown dependencies were upgraded for improved performance (#11553, #11550).
• ↔️ The sidebar is narrower by default and consistently handles the scrollbar spacing (#11412).
• 👋 We gave Streamlit hello a couple small tweaks (#11442).
• 🧑‍💻 Base URL window variables are consistently namespaced in __streamlit (#11481).
• 🌐 Streamlit apps now serve a manifest.json file (#11462).
• 🖌️ st.dataframe shows row selection boxes always instead of just on hover (#11411, #11410).
• 🦋 ListColumn and LinkColumn can inherit coloring from pandas Styler (#11612, #8254).
• 💹 NumberColumn and ProgressColumn support a Japanese yen number format (#11588). Thanks, alexmalins!
• 🔗 st.page_link can inherit an icon when passed a StreamlitPage (#10694, #9743). Thanks, abokey1!
• 🎫 A button's placement in the sidebar or main body of an app is included in its widget identity (#10881, #10598). Thanks, joaooliveira-11!
• 🕷️ Built-in Streamlit fonts now use variable font files (#11646, #11600, #11534).
• 🤹 Bug fix: Streamlit Markdown correctly formats task lists and block quotes (#11237).
• 🐞 Bug fix: Horizontal scroll bars are sized correctly in Safari (#11625).
• 🐝 Bug fix: Unnecessary media caching was reduced to improve efficiency and avoid video player crashes (#11635, #9688).
• 🐜 Bug fix: st.text uses the break-word CSS property to wrap long lines without whitespace (#10969, #10824). Thanks, matilde2004!
• 🪲 Bug fix: Material icons display correctly in st.markdown when unsafe_allow_html=True (#11633, #9945).
• 🐛 Bug fix: Multi-index column names preserve brackets (#11617, #10415).
• 💅 Bug fix: Various CSS tweaks (#11631, #11632, #11630, #11611, #11577, #9085, #8671, #11576, #11569).
• ⛏️ Bug fix: st.dataframe clears filter options when applying sort to prevent incorrect highlights (#11587, #11575).
• 📊 Bug fix: Altair charts have the correct width and don't overflow with long titles (#11585, #9984).
• 🍞 Bug fix: st.toast messages appear above st.dialog containers (#11578, #10383).
• 🪱 Bug fix: Streamlit apps correctly scroll to anchor links (#11552, #11551).
• ✍️ Bug fix: st.context does not lose state in an app being edited (#11506, #11330).
• ⬜ Bug fix: st.code preserves leading white space (#10065, #6302). Thanks, XuehaiPan!
• 📅 Bug fix: st.date_input shows the correct hover effect when using date ranges (#11223, #10929). Thanks, Bernardo1008!
• 💩 Bug fix: Dataframes using pandas Styler correctly display Enum values (#11049, #10637). Thanks, BigBird404!
• ☠️ Bug fix: st.context does not lose state when st.switch_page is called (#11521, #11507).
• 👽 Bug fix: File watcher correctly handles custom metaclasses (#10388, #10992). Thanks, HomenShum!
• 👻 Bug fix: st.map uses a private Mapbox token when configured (#11511, #11399).
• 🦀 Bug fix: vega-interpreter was updated to prevent unintentional blank axes (#11514, #5733).
• 🦎 Bug fix: Truncated values in NumberColumn are rounded correctly (#11520, #11519).
• 🐌 Bug fix: Highlighted in text in Markdown has the correct padding on wrapped lines (#11530).
• 🕸️ Bug fix: For a Plotly chart, reset axes works correctly after using fullscreen (#11498, #11327).
• 🦗 Bug fix: Altair chart are not cropped on the left on first load (#10939, #9339). Thanks, goncalossmartins!
• 📈 Bug fix: Chart columns correctly show negative values (#11048, #10411). Thanks, tiagorb1!
• 🦂 Bug fix: Streamlit doesn't crash when editing indices in st.data_editor (#11448, #11434).
• 🦟 Bug fix: Color and style is preserved in charts when using .add_rows() (#11414, #11312).
• 🌪️ Bug fix: Tornado 6.5.0 is excluded to prevent file uploading errors related to unicode filenames (#11440, #11396, #11436).
• 🦠 Bug fix: Selected rows are cleared when a column in st.dataframe is sorted (#11363, #11345).
• 📶 Bug fix: Streamlit shows a clearer message when it can't connect to the server and automatically dismisses the message if a connection is successful (#11366).
• 🪰 Bug fix: Localized number and date formats correctly interpret locales with commas (#11297, #11291).
• 🧹 Bug fix: Streamlit cleans up the forward message cache to prevent WebSocket message errors (#11302, #11299, #11300).
• 📜 Bug fix: st.latex scrolls horizontally when its content is wider than the app (#10071, #4304).
• 🪳 Bug fix: st.multiselect has a more stable sort when filtering options (#11309, #11218).
• 🕷️ Bug fix: st.multiselect options are case sensitive and don't overlap in the drop down menu (#11307, #11217, #11306, #11215).
• 🍪 Bug fix: Streamlit logs an error if the cookie returned by st.login is too large (#11290, #11168).
• 🪲 Bug fix: Displaying elements within a fragment's callback logs a clear warning that it's not supported (#10942, #10475). Thanks, Zane-dev16!
• 🐞 Bug fix: st.file_uploader is case insensitive when validating allowed file extensions (#11261, #11259).
• 🐝 Bug fix: Page runs end correctly to prevent invalid widget states (#11258, #11202).
• 👤 Bug fix: Error messages correctly refer to st.user instead of st.experimental_user (#11198).
• 🏷️ Bug fix: The missing label warning for widgets includes a stack trace (#11187, #8908).
• 🐛 Bug fix: st.data_editor returns the correct result when some rows are deleted and others are added (#11183, #11180).

Version 1.45.0

Release date: April 29, 2025

Highlights

• 🧑 Announcing the general availability of st.user, a dict-like object to access information about the current user.

Notable Changes

• ➕ st.multiselect and st.selectbox have a new parameter to let users add new options.
• 🥸 st.context has new attributes: url, ip_address, and is_embedded.
• ⚠️ Text alerts and exceptions have a new width parameter (#11142).
• ⌨️ You can set the tab index for st.components.v1.html and st.components.v1.iframe (#11065, #7969).
• 🌐 When you pass a CSS file's path to st.html, Streamlit will automatically insert <style> tags and avoid creating extra space in the app (#10979, #9388, #10027).
• 😃 You can add an icon to the left of the value in st.text_input and st.number_input.

Other Changes

• 🗑️ Per the scheduled deprecation, st.experimental_audio_input has been removed. Use st.audio_input instead.
• 💅 Various elements received styling tweaks for consistency and compatibility with advanced theming (#10916, #10930, #10915, #10944, #10990, #11033, #11034).
• ⚒️ The element toolbar sizing and spacing was adjusted for improved UX (#11135, #11155).
• 🫥 Bug fix: Streamlit does not display a frontend error when displaying an empty dataframe (#11100, #11064).
• 🔁 Bug fix: st.context retains its information when calling st.rerun (#11113, #11111).
• 💩 Bug fix: st.camera_input has the correct color and hover effect when disabled (#11116).
• 🎤 Bug fix: st.audio_input has consistent color and hover effects with other widgets (#11118).
• ↔️ Bug fix: st.logo displays correctly when the sidebar is resized (#11063, #11062).
• 📂 Bug fix: st.file_uploader can handle multi-part file extensions in its type parameter (#11043, #11041). Thanks, moutayam!
• 💈 Bug fix: theme.fontFaces correctly supports font style (#11098, #11097).
• 🧹 Bug fix: streamlit init specifies file encoding to avoid errors in systems where UTF-8 is not the default (#11090, #11086). Thanks, ashm-dev!
• 📜 Bug fix: In the sidebar, space is reserved for the scrollbar to prevent flickering from resizing (#10733, #10310).
• 🪱 Bug fix: st.logo supports SVGs defined with a viewBox (#11038, #10904).
• ☠️ Bug fix: st.date_input raises an error in the UI if a user enters a date outside of the specified allowed range (#10764, #8475).
• 👽 Bug fix: st.snow and st.balloons don't incorrectly rerun during a fragment rerun (#11015, #10961).
• 👻 Bug fix: When updating config.tomlduring development, Streamlit will elegantly handle invalid TOML formatting and reload the configuration file on the next save (#10857, #1256, #8320).
• 🦋 Bug fix: Streamlit applies the correct hover effect when colored text is used in button labels (#10996, #8767).
• 🦀 Bug fix: Streamlit ignores __init__.py and dotfiles in the /pages directory when automatically declaring pages in a multipage app (#11009, #11006).
• ⏩ st.write received an optimization tweak for rendering strings (#10985).
• 🦎 Bug fix: st.html renders at 100% width for correct sizing (#10976, #10964).
• 🐌 Bug fix: Page links become disabled if a client disconnects from the Streamlit server (#10946, #9198).
• 🕸️ Bug fix: Streamlit supports newer emojis in page icons (#10912, #11154).
• 🦗 Bug fix: st.exception only shows links to Google and ChatGPT when the app is being accessed through localhost (#10971, #10924).
• 🦂 Bug fix: st.chat_input will expand to show multi-line placeholder text in most browsers. Firefox does not support this fix (#10931, #10611).
• 🦟 Bug fix: Streamlit elegantly catches a TypeError when concurrent changes to rows and columns cause a failure in serialization (#10954, #10937).
• 🦠 Bug fix: Streamlit cleanly handles non-ASCII characters in anchor links, which may change some anchors in existing apps (#10929, #8114).
• 🪰 Bug fix: To prevent a race condition, session information is not immediately cleared unless a new session message is received (#9886, #9767).
• 🪳 Bug fix: streamlit config show correctly displays client.showErrorDetails as a string instead of a list (#10921, #10913).
• 🕷️ Bug fix: st.selectbox does not lose its value if a partial edit is abandoned (#10891).
• 🐞 Bug fix: st.badge doesn't falsely show rainbow as a color option (#10896).
• 🐝 Bug fix: To avoid a file lock conflict the occurs with some IDEs, Streamlit's file watcher utilities retries reading files when blocked (#10868, #4486). Thanks, Morridin!
• 🐜 Bug fix: st.selectbox and st.multiselect have consistent color and spacing for placeholder text (#10865).
• 🪲 Bug fix: Context managers correctly handle form elements (#10752, #8761). Thanks, SrGesus!
• 🐛 Bug fix: st.link_button and st.tabs remain active when a client disconnects from a Streamlit server (#10861).

Version 1.44.0

Release date: March 25, 2025

Highlights

• 💈 Introducing advanced theming options! Use an assortment of configuration options to customize the appearance of your app. Change the fonts, colors, and roundness of your app without CSS.
• 👮 Introducing st.badge to insert a colored badge element. You can also include badges in Markdown using a new directive.
• 🏗️ Use streamlit init in your terminal to create all the local files you need for a new Streamlit app.

Notable Changes

• 🤖 st.exception includes links to open Google or ChatGPT with the contents of the exception. This includes uncaught exceptions displayed in the app.
• 🗺️ You can access the user's locale through st.context (#10563).

Other Changes

• 📄 When using a pages/ directory to automatically generate a multipage app, no pages (including the entrypoint file) can have the same inferred URL pathname (#10276).
• 🏎️ To improve performance, Streamlit uses the React 18 createRoot API for its frontend (#10453).
• 📝 To improve compatibility with AI tools, script compilation errors are logged when logger.level="error" and not just when logger.level="debug" (#10826).
• 🪵 Streamlit automatically enables more detailed logging if rich is installed (#10650).
• 🔢 st.slider and st.number_input raise an error when assigned a value in excess of a declared minimum or maximum (#9964, #9342).
• 🛠️ st.table support pandas Styler.set_tooltips() (#10561, #10553).
• ℹ️ Material symbols have been updated to the latest icon set (#10813, #10717).
• 🦋 Visual tweaks to headers (#10599).
• 🦀 Bug fix: st.html displays correctly when used inside st.tabs (#10825, #10815).
• 🦎 Bug fix: For backwards compatibility, theme.font="sans serfi" is internally converted to the new theme.font="sans-serif" (#10789, #10786).
• 🐌 Bug fix: When using st.secrets, if Streamlit can't find the secrets.toml file, it will raise a FileNotFoundError (#10508, #8559).
• 🕸️ Bug fix: st.secrets raises a clear TypeError if you try to assign a value to an attribute (#10698, #10107).
• 🦗 Bug fix: In single-page apps, st.page_link does not highlight external links as if they are the current page (#10690, #10689).
• 🦂 Bug fix: st.poppover displays at the correct width when using the help parameter (#10709, #10693).
• 🦟 Bug fix: All components (and custom components) that read their width from the DOM initially load with a width of -1 px to prevent flickering (#10712, #10672, #10663, #10644).
• 🦠 Bug fix: When st.number_input is configured to use integers, the default minimum and maximum values will prevent integer overflow (#10655, #6740).
• 🪰 Bug fix: st.navigation uses immutable types to prevent mypy errors (#10670).
• 🪳 Bug fix: Custom components correctly inherit font from theme configuration (#10661, #10660).
• 🕷️ Bug fix: Dataframes correctly support Dask data objects (#10662).
• 🐞 Bug fix: Button widths are correct when using the help parameter (#10658, #10648, #10656).
• 🐝 Bug fix: Scrolling is disabled when hovering over st.number_input to prevent accidental value changes (#10642, #8867).
• 🐜 Bug fix: st.chat_input gives a clear error in the UI when the file size limit is exceeded (#10530).
• 🪲 Bug fix: The favicon and Markdown emojis use the same SVG emoji source for consistency (#10539, #6822).
• 🐛 Bug fix: The dataframe search bar is more responsive to width (#10534, #10532).

Version 1.43.0

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).

Version 1.42.0

Release date: February 4, 2025

Highlights

• 👩‍💻 Introducing st.login() and st.logout() to authenticate users with any OpenID Connect provider.

Notable Changes

• ❣️ st.table supports Markdown (#8785, #10088).
• ⏲️ st.spinner can show elapsed time with show_time=True (#6805, #10072).
• 💈 st.image supports Markdown in the caption parameter (#6808, #10075).
• ↕️ st.code has a height parameter (#7418, #10080).
• ↔️ Most charts default to using use_container_width=True (#10064).
• ❄️ SnowflakeConnection was updated to match the current Snowflake API, which changes its handling of keyword arguments in some cases (#10122).
• 🐁 Users can drag and drop dataframe columns to rearrange them (#8796, #10099).

Other Changes

• 📌 Dataframes have column menus for users to sort and pin columns (#10206).
• 🚦 Dataframes support categorical indices (#9647, #10195).
• 🛸 Dataframes show a hover highlight on rows (#8096, #10104).
• ⚠️ When dataframes have cell values that are inconsistent with their configured type, Streamlit shows a tooltip describing the error (#8253, #9899).
• ➰ If there is an existing asyncio event loop when a Streamlit app starts, the app will reuse it instead of creating a new one (#10164). Thanks, DeltaGa!
• 🖼️ Streamlit recognizes pyspark.sql.connect.dataframe.DataFrame objects as dataframes (#9953, #9954). Thanks, OSalama!
• 😃 We've updated emoji validation for new emojis (#10149).
• 🔣 Material Symbols have been updated with the latest icons (#10247).
• 💅 Visual tweaks and improvements (#8705, #9823, #10047, #10048, #10083, #10087, #10225).
• ⭕ st.image displays rounded corners for consistent design (#9999).
• 🎩 Bug fix: Top margin is applied correctly in st.columns (#10265, #10268).
• 💩 Bug fix: react-syntax-highlighter is aliased to prevent rendering errors in st.code (#10231, #10244).
• 🧹 Bug fix: We improved error messages for st.query_params (#10111, #10237).
• 🪱 Bug fix: Linting for st.altair_chart recognizes all Altair chart types (#10202).
• ↗️ Bug fix: st.dataframe supports raw Arrow data (#5606, #10191).
• 🐍 Bug fix: st.navigation and st.page_link work when running in pure Python tests (#10163).
• ☠️ Bug fix: Retries were added to prevent a possible race condition when files are removed while Streamlit is running (#10148).
• 👽 Bug fix: When printing an app, st.logo will only print once (#10165, #10171).
• 🌍 Bug fix: Material icons are marked to prevent translation (#10168, #10174).
• 👻 Bug fix: st.vega_lite_chart correctly caches and updates its data (#6689, #10125).
• 🦀 Bug fix: When a fragment ID is not found, Streamlit logs a warning but doesn't raise an error (#9921, #10130).
• 🦋 Bug fix: The label on st.expander correctly fades when stale (#10085).
• 🦎 Bug fix: st.date_input provides better type hinting for its return value (#9477, #9620). Thanks, pranaybattu!
• 🐌 Bug fix: In dataframes, small float values display their first significant figure instead of displaying as 0 (#10060).
• 🕸️ Bug fix: When rich is installed, errors are only logged once. (#10097).
• 🦗 Bug fix: st.text preserves whitespace (#10055, #10062).
• 🦂 Bug fix: Dataframe width is not ignored when height is changed (#9762, #10036).
• 🦟 Bug fix: Multi index columns correctly handle empty labels (#9749, #10035).
• 🦠 Bug fix: Pinned columns respect column_order in when configured in st.dataframe (#9997, #10034).
• 🪰 Bug fix: Tooltips don't overflow to the left or right (#9288, #9452, #9983).
• 🪳 Bug fix: Disabled feedback widgets correctly show their value (#10030).
• 🕷️ Bug fix: Widgets correctly submit values if a user edits the value and immediately clicks a button (#10007, #10018).
• 🐞 Bug fix: Some MIME types have been hardcoded to protect against browser misconfiguration (#10004, #10010).
• 🐝 Bug fix: Files that unnecessarily inflated Streamlit's installation size were removed (#10008, #10011).
• 🐜 Bug fix: st.date_input gives the correct type hint for the value parameter (#10005, #10006).
• 🪲 Bug fix: st.write passes to st.html when ._repr_html() is present for an object (#9910).
• 🐛 Bug fix: st.html preserves target=_blank if set in an HTML string (#9972, #9994).

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