Streamlit 1.56.0

What's Changed

New Features 🎉

• [feat] Allow specifying number of visible items via expanded in st.navigation by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14051
• [feat] Add on_click rerun support to st.link_button by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14116
• [feature] Add file type shortcuts for st.file_uploader and st.chat_input by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14140
• Allow programmatically setting st.dataframe selections by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13594
• [feat] Extract leading icon from alert body by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14173
• [feat] Serve static files with native content types by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14090
• feat: allow external URLs in st.Page for navigation sidebar by @t0k0shi in https://github.com/streamlit/streamlit/pull/13691
• [feat] Add AudioColumn and VideoColumn to st.column_config by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14032
• [feat] Add st.menu_button widget by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13981
• [feature] Add hide_index and hide_header to st.table by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14113
• [feature] Add height parameter to st.chat_input by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14165
• [feature] Add st.file_uploader support to AppTest by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14341
• [feature] Always show the dataframe column visibility menu by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14336
• [feature] Add support for relative static file serving URLs in media elements by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14317
• [feature] Add alignment parameter to column_config columns by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14333
• [feat] Complete incomplete markdown syntax during streaming by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13939
• [feature] Stable Block.id for passive keyed layout containers by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14330
• [feature] st.tabs state persistence and CSS key class by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14332
• [feature] st.expander & st.popover state persistence and CSS key class by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14356
• [feature] Add required parameter to st.pills and st.segmented_control by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14414
• Add support for pandas 3.x by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13812
• [feature] Add single-row-required selection mode to st.dataframe by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14288
• [feature] Add autoscroll parameter to st.container by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14502
• [feature] Add filter mode to select widgets by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14537
• [feature] Add st.iframe command by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14433

Bug Fixes 🐛

• [fix] Allow running streamlit with python optimization by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14171
• [Fix] Fix st.text_area height="content" not working by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14228
• Fix stale anchor preserved when clearing transient nodes by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14251
• fix(testing): initialize BidiComponentManager in AppTest mock runtime by @tysoncung in https://github.com/streamlit/streamlit/pull/14301
• [fix] Python 3.14 PEP 649 annotation compatibility across inspect.signature() calls by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14327
• [fix] Restore tooltip on st.multiselect selected options by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14353
• [fix] Restore reactJsonViewCompat shim for local dev server by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14391
• [Fix] Restore bound query params in URL with MPA by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14374
• [fix] st.exception links overflow at small widths by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14417
• [fix] Remove heading padding in horizontal containers for proper alignment by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14419
• [fix] Streaming markdown with color directives shows artifact by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14468
• [fix] Add Windows stability check to file watcher to reduce false positives by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14174
• Fix #11308: update server.port after binding to port 0 by @joanaarnauth in https://github.com/streamlit/streamlit/pull/14372
• [fix] Add border to main menu in dark mode by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14529
• [Fix] OpenMetrics compliance for session_duration metric by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14476
• Fix programmatic dataframe selections to return AttributeDictionary by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14455

Other Changes

• [refactor] Log widget state duplication warning to console instead of UI by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14141
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14186
• Update protobuf requirement from <7,>=3.20 to >=3.20,<8 in /lib by @dependabot[bot] in https://github.com/streamlit/streamlit/pull/14213
• [chore] Release v1.55.0 by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14203
• refactor(ccv2): rename BidiComponentResult to ComponentResult by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/14253
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14282
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14395
• Docs for st.navigation expanded parameter by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14451
• Docs for new file uploader types by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14453
• Docs for st.link_button by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14452
• Docs for auto-extracting icons by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14458
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14482
• Docs for menu button by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14495
• Docs for table hide options by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14497
• Docs for URL pages and navigation by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14480
• Docs for chat input height by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14499
• Add key-value list example for st.table by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14474
• [Fix] Make _stcore/metrics OpenMetrics-compliant by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14538

New Contributors

• @Rohan5commit made their first contribution in https://github.com/streamlit/streamlit/pull/14154
• @t0k0shi made their first contribution in https://github.com/streamlit/streamlit/pull/13691
• @tysoncung made their first contribution in https://github.com/streamlit/streamlit/pull/14301
• @ianjch314 made their first contribution in https://github.com/streamlit/streamlit/pull/14354
• @joanaarnauth made their first contribution in https://github.com/streamlit/streamlit/pull/14372

Full Changelog: https://github.com/streamlit/streamlit/compare/1.55.0...1.56.0