Streamlit

Full Changelog: https://github.com/streamlit/streamlit/compare/1.61.0...1.61.1

What's Changed

Breaking Changes 🛠

• [chore] Remove deprecated use_column_width parameter from st.image by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15786
• [fix] Deprecate string file paths in st.html/st.iframe in favour of pathlib.Path by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16150

New Features 🎉

• [feat] Add lazy loading for st.dataframe by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15756
• [feature] Add icon parameter to st.metric (#12298) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/15805
• [feature] Add background refresh for st.cache_data and st.cache_resource by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16057
• [feature] Add WebSocket Host allow-list by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16147
• Add seconds granularity and format for hour cycle to st.time_input by @mayagbarnes in https://github.com/streamlit/streamlit/pull/16126
• Improve form support and enter to submit to st.time_input by @mayagbarnes in https://github.com/streamlit/streamlit/pull/16128
• Infer download_button file_name and mime from file object name by @SoMika00 in https://github.com/streamlit/streamlit/pull/16061
• [feature] Enforce disabled widget parameter server-side by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16209
• Improve tag accessibility in st.multiselect by @mayagbarnes in https://github.com/streamlit/streamlit/pull/16200

Bug Fixes 🐛

• [fix] Popover in sidebar rendered off-screen by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16087
• [fix] Escape now clears typed search query in st.selectbox by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16088
• Fix AppTest sys.path handling for script paths by @ishaanlabs-gg in https://github.com/streamlit/streamlit/pull/15775
• [fix] Clear stale AppTest elements on rerun by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16123
• [fix] Clarify AppTest multipage path handling by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16122
• Fix st.selectbox fuzzy search only matches contiguous substrings since 1.59.0 by @LuC-9 in https://github.com/streamlit/streamlit/pull/16009
• [fix] Commit open data_editor cell edit on outside click by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16132
• [fix] TypeError in run_every fragments with Sentry threading by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/16140
• [fix] Prevent st.data_editor row additions overwriting rows by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16144
• [fix] Reject network paths and null bytes in st.Page by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16146
• [fix] st.expander clipped after interrupted animation by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16090
• [fix] Lock Mermaid init config overrides by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16151
• [bugfix] Honor Plotly layout fonts in Sankey charts (#11031) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16164
• [bugfix] Multiselect dropdown background matches sidebar theme (#11348) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16163
• fix(selectbox): flip sidebar dropdown up instead of clipping by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/16199
• [bugfix] Preserve IME composition in data_editor NumberColumn (#16129) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16165
• [fix] Right-side padding preserved when code block is scrolled by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16091
• [bugfix] Higher-DPI Altair PNG export (#8177) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16170
• [fix] st.bar_chart fails on column names containing "." by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16089
• [fix] Stable dataframe header background with alpha (#11950) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16166
• [fix] Preserve fragment children across container reruns (#12514) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16171
• [fix] Reconnect to existing session on unclean websocket close by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15909
• [fix] Accept io.StringIO data in st.download_button by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/16272
• [fix] Keep pills and segmented_control selection highlighted when format_func changes by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/16271
• [fix] Suppress the skills nudge when an install would only conflict, and report why by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/15966
• Fix st.help header showing "page.run()" in multipage apps by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16244

Other Changes

• [chore] Release v1.60.0 by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/16110
• Remove Baseweb from TimeInput by @mayagbarnes in https://github.com/streamlit/streamlit/pull/15647
• Support pasting values in TimeInput by @mayagbarnes in https://github.com/streamlit/streamlit/pull/16096
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/16202
• [chore] Adopt uv.lock for deterministic Python environments by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15968
• [chore] Replace gitpython with subprocess git calls by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16241
• [feature] Turn st.Page into a proper class by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16268

New Contributors

• @ishaanlabs-gg made their first contribution in https://github.com/streamlit/streamlit/pull/15775
• @LuC-9 made their first contribution in https://github.com/streamlit/streamlit/pull/16009
• @SoMika00 made their first contribution in https://github.com/streamlit/streamlit/pull/16061

Full Changelog: https://github.com/streamlit/streamlit/compare/1.60.0...1.61.0

What's Changed

Breaking Changes 🛠

• [feature] Add server.maxWidgetStateSize config option by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15804
• [fix] Limit client-supplied query string size and field count by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15803
• [fix] Reject spoofed host messages from child frames and scripts by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15800

New Features 🎉

• [feature] Move vega-lite chart actions to native toolbar by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15806
• [feature] Support integer pixel values for gap parameter (#13005) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/15850
• [feature] Use key as main identity for st.data_editor if num_rows="fixed" by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15884
• [feature] Add height parameter to st.tabs (#12217) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/15847
• [feature] Disable dataframe data export by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15910
• [feature] Neutral treatment for zero delta in st.metric by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15790
• [feature] Preserve st.dataframe row selections on sort by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16020

Bug Fixes 🐛

• [fix] Reject non-finite float values from URL params by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15799
• [fix] Sanitize dangerous Graphviz link URLs by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15819
• [fix] Virtualize selectbox dropdown option list by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15870
• [fix] Keep viewport gutter around dialog on narrow screens by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15875
• [fix] Surface missing httpx error for auth extra by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15864
• [fix] Honor expose_tokens with st.App programmatic secrets by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15865
• [fix] Fix React Aria dialog overlay stacking by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15876
• [fix] st.tabs panels stacking after widget rerun by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15894
• [fix] Remove flaky Missing Submit Button warning by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15889
• [fix] Escape HTML in pydeck chart tooltip interpolation by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15820
• [fix] Dedupe run_every auto-rerun timers per fragment by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15912
• [fix] Remove redundant keyboard tab stop from file uploader dropzone by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15928
• [fix] Avoid PyArrow 25 thread initialization crash by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15947
• Fix RuntimeError: reentrant call inside _io.BufferedWriter on Ctrl+C by @chang-pro in https://github.com/streamlit/streamlit/pull/15949
• Fix IndexError in simplify_number for values >= 1 quadrillion by @eeshsaxena in https://github.com/streamlit/streamlit/pull/15971
• [fix] Sanitize dangerous st.link_button and st.image URLs by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15851
• [fix] Cap server dependency major versions by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15948
• [fix] stop auto rerun on fragment evict by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15932
• [fix] Style selectbox 'No results' empty state by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15967
• [fix] Overlays inside popover: stacking and dismissal by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15961
• [fix] Restore type-to-search in st.selectbox by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15996
• [fix] Fix st.metric area chart fill baseline by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15907
• [fix] Prevent file watcher crash on Windows drive paths by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15951
• [fix] Ignore skill symlinks in generated gitignore snippet by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15963
• [fix] Suppress mobile keyboard for selectbox filter_mode=None by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15962
• [fix] Submit typed number_input value on first Enter in form by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16013
• [fix] Improve hashing fallback warning messages by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16040
• [fix] Bundle the skills meta-skill in the wheel; install it locally (no GitHub download) by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/16026
• [bugfix] Include decorators in st.echo output by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16068
• [bugfix] Fix inconsistent checkbox margin in horizontal container within column (#13162) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16060
• [bugfix] Fix widgets inside popover-in-dialog being unclickable by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/16067

Other Changes

• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/15860
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/15983
• [chore] Replace cachetools with internal TTLCache by @lukasmasuch in https://github.com/streamlit/streamlit/pull/16014

New Contributors

• @chang-pro made their first contribution in https://github.com/streamlit/streamlit/pull/15949
• @eeshsaxena made their first contribution in https://github.com/streamlit/streamlit/pull/15971
• @kobihikri made their first contribution in https://github.com/streamlit/streamlit/pull/16016

Full Changelog: https://github.com/streamlit/streamlit/compare/1.59.2...1.60.0

Full Changelog: https://github.com/streamlit/streamlit/compare/1.59.1...1.59.2

Full Changelog: https://github.com/streamlit/streamlit/compare/1.59.0...1.59.1

What's Changed

Breaking Changes 🛠

• [chore] Make /_stcore/metrics memory stats cheap by default by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15472
• [chore] Remove deprecated Snowpark connection by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15784

New Features 🎉

• [feature] Add ButtonColumn to st.column_config by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14544
• st.set_page_config - Add "locked" option for initial_sidebar_state by @mayagbarnes in https://github.com/streamlit/streamlit/pull/15459
• [feature] Add list support to programmatic secrets by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15491
• [feature] Recommend installing skills on app startup by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15437
• [feature] Add AppTest support for download_button and image by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15528
• [feature] Add column statistics submenu to st.dataframe by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14307
• [feature] Add streamlit docs <command> lookup by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15547
• [feat] Add MarkdownColumn for st.dataframe and st.data_editor by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13931
• [feature] Add App.run() to launch via python app.py or uv run app.py by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15563
• [feature] Support pasting files into st.chat_input by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15558
• [feature] Add server.xsrfCookieSameSite config option by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15634
• [feat] Add mermaid diagram support in st.markdown by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14022
• [feature] Support OpenAI Responses API streams in st.write_stream by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15559
• [fragmentOutsideWrites][feature] Reset outside wrappers across fragment reruns by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15620
• [fragmentOutsideWrites][feature] Allow fragments to write into outside containers by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15623
• [feature] Add per-user analytics on metrics endpoint by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15557
• [feature] Add skeleton element for loading placeholder UI by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15169
• [feat] Add anchors parameter to st.markdown by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/15722
• [feature] Add resolution parameter to st.camera_input by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15766
• [feature] Add in-app install-skills nudge toast by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/15473
• [feature] Add submit_mode parameter to st.chat_input by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14344
• [feature] Add persist_state widget parameter by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15645

Bug Fixes 🐛

• [fix] Metrics endpoint error with SQLAlchemy connections by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15334
• [fix] TypeError in _run_with_thread_state when using @st.fragment(run_every=...) by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15376
• [fix] P-mode PIL palette hashing to prevent hash collisions by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15397
• [fix] Use named Snowflake connection from config file by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15382
• [fix] Bind IPv6 dual-stack wildcard for default server address by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15400
• [fix] Clear stale and invalid auth cookies on login by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15420
• Fix: sync widgetMgr to fix tab.open lazy loading by @mayagbarnes in https://github.com/streamlit/streamlit/pull/15460
• [fix] Discover installed CCv2 components in AppTest by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15488
• [fix] Prevent resetting page title on rerun by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15527
• [fix] Accept formatted labels in AppTest format_func widgets by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15564
• Fix: st.pills & st.segmented_control callback by @mayagbarnes in https://github.com/streamlit/streamlit/pull/15522
• [fix] Default to polling file watcher in WSL by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15562
• [fix] Prevent "Missing Submit Button" flash on app load by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15561
• [fix] Explain multi-replica cause in invalid session upload error by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15635
• [fix] Keep selectbox selection when format_func depends on object identity by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15639
• [fix] Prevent ESC from clearing st.multiselect selection by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15646
• [fix] Validate StreamlitPage source matches registered page (#10572) by @sfc-gh-dbyttow in https://github.com/streamlit/streamlit/pull/15721
• [fix] Ignore dataframe Ctrl+F shortcut when search is disabled by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15764
• [fix] Prevent line wrapping in dataframe column menu by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15772

Other Changes

• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/15396
• [chore] Release v1.58.0 by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/15361
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/15475
• [perf] VegaLiteChart: Use Vega's native resize API for faster resizing by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15302
• [docs] Add parallel fragment guidance to developing-with-streamlit skill by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15503
• [docs] Remove experimental warning from App docstring by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15536
• [chore] Redesign pagination widget selected state styling by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15550
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/15587
• [chore] Remove deprecated st.bokeh_chart command by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15636
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/15665
• [docs] Add API reference to developing-with-streamlit skill by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15539
• Baseweb removal fixes by @mayagbarnes in https://github.com/streamlit/streamlit/pull/15737
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/15758

New Contributors

• @sfc-gh-lmasuch made their first contribution in https://github.com/streamlit/streamlit/pull/15633
• @sfc-gh-dbyttow made their first contribution in https://github.com/streamlit/streamlit/pull/15721
• @HXRIkumar made their first contribution in https://github.com/streamlit/streamlit/pull/15441

Full Changelog: https://github.com/streamlit/streamlit/compare/1.58.0...1.59.0

What's Changed

Breaking Changes 🛠

• [chore] Remove deprecated add_rows feature by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15034
• [chore] Remove langchain callback handler integration by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15051

New Features 🎉

• [feature] Add custom script error handling via st.App by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14972
• [feature] Add st.pagination widget by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14975
• [feat] Add type parameter to st.expander and st.status for compact style by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14054
• [feature][ParallelFragments] Add parallel=True dispatch to @st.fragment by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15214
• [feature] Add API restrictions for parallel fragments by @sfc-gh-lwilby-1 in https://github.com/streamlit/streamlit/pull/15251
• [feature] Add streamlit skills CLI command by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15116

Bug Fixes 🐛

• [fix] Selectbox first item hidden when 7 options selected by @kmcgrady in https://github.com/streamlit/streamlit/pull/14997
• [fix] Defer sys.modules eviction to script-run boundary (#14593) by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14826
• [fix] OAuth MismatchingStateError regression in 1.57.0 by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15048
• [fix] Programmatically closed popovers/expanders reopening on interaction with another by @kmcgrady in https://github.com/streamlit/streamlit/pull/14945
• [fix] Support symlinks in Starlette static file serving by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15112
• [feature] Sync URL when session_state updates query-param-bound widgets by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14744
• fix: add usedforsecurity=False to blake2b for FIPS compatibility by @andriykislitsyn in https://github.com/streamlit/streamlit/pull/15149
• fix(fragment): prevent stale auto-reruns from crashing apps by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/15130
• [fix] Block javascript: and vbscript: URLs in markdown links by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15161
• Set Max-Age on st.login() cookies to restore 30-day persistence by @GiovanniPaoloGibilisco in https://github.com/streamlit/streamlit/pull/15194
• [fix] Fix Vega-Lite chart tooltips in dialogs by @marawanokasha in https://github.com/streamlit/streamlit/pull/15191
• [fix] Help icon for unsafe_allow_html=True in st.markdown by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/15232
• [fix] Discover script-level .streamlit/config.toml when st.App runs under uvicorn by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/15218
• [fix] Warn when st.button shortcut is browser-reserved by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/15217
• fix(auth): migrate provider tokens to joserfc by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/15178
• Fix browser Back/Forward navigation for pages with Unicode URL paths by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15281
• [fix] Restore Starlette OAuth PKCE behavior by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15282
• [fix] Disable Select all in multiselect for >=1000 options by @lukasmasuch in https://github.com/streamlit/streamlit/pull/15301
• Fix accidental overscrolling in table, dataframe, and data_editor by @kantuni in https://github.com/streamlit/streamlit/pull/15309

Other Changes

• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14948
• [chore] Release v1.57.0 by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14962
• [fix] Reduce external IP fetch timeout to avoid startup freeze by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14984
• Adjust widget/icon sizing - Part 1 by @mayagbarnes in https://github.com/streamlit/streamlit/pull/15056
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/15134
• Adjust widget/icon sizing - Part 2 by @mayagbarnes in https://github.com/streamlit/streamlit/pull/15098
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/15236

New Contributors

• @simjega made their first contribution in https://github.com/streamlit/streamlit/pull/14927
• @andriykislitsyn made their first contribution in https://github.com/streamlit/streamlit/pull/15149
• @GiovanniPaoloGibilisco made their first contribution in https://github.com/streamlit/streamlit/pull/15194
• @marawanokasha made their first contribution in https://github.com/streamlit/streamlit/pull/15191

Full Changelog: https://github.com/streamlit/streamlit/compare/1.57.0...1.58.0

What's Changed

Breaking Changes 🛠

• [feature] Make Starlette the default server and remove Tornado by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14553
• [chore] Remove deprecated kwargs from plotly_chart and vega_lite_chart by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14800
• [chore] Remove deprecated _get_websocket_headers function by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14801
• [feature] Direct polars to arrow conversion bypassing pandas by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14885

New Features 🎉

• [feature] Hide chevron for menu-style icon labels for st.menu_button and st.popover by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14697
• [feature] Add pills, segmented_control properties and dataframe key to AppTest by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14518
• [feature] Add title parameter to alert elements by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14665
• [feat] Add :shimmer[] markdown directive for animated loading text by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14055
• [feature] Expose App in the st namespace by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14722
• Bundle OSS developing-with-streamlit core skills in pip package by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/14745
• [fix] Add border radius to video and map elements by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14781
• [feature] Add secrets parameter to st.App by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14861
• Add app and theme templates to bundled skills by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/14746
• [feature] Expose st.bottom container by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14726

Bug Fixes 🐛

• [feature] Deduplicate equivalent file extensions in file uploader display by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14552
• [fix] st.dataframe crash with pandas 3 ArrowStringArray by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14611
• fix(caching): chain original exception in UnserializableReturnValueError by @mango766 in https://github.com/streamlit/streamlit/pull/14655
• [fix] inconsistent space encoding in query params by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14691
• [fix] Preserve None values in st.data_editor with pandas 3.0+ by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14694
• [Fix] Add CSS Color Level 4 support by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14674
• [fix] Evict namespace children when watched sources reload by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14708
• [fix] Downcast large Arrow types in custom component v1 serialization by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/14617
• [fix] Retain st.radio selection for format_func and custom options by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14815
• Fix bar_chart axis labels not swapping when horizontal=True by @kmcgrady in https://github.com/streamlit/streamlit/pull/14866
• [fix] st.text_area height='content' sizing on initial load by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14884

Other Changes

• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14576
• [chore] Release v1.56.0 by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14598
• Docs for dataframe programmatic selections by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14616
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14649
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14752
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14869
• Docs for audio and video columns by @MathCatsAnd in https://github.com/streamlit/streamlit/pull/14628

New Contributors

• @dagecko made their first contribution in https://github.com/streamlit/streamlit/pull/14554
• @mango766 made their first contribution in https://github.com/streamlit/streamlit/pull/14655
• @sfc-gh-wschmitt made their first contribution in https://github.com/streamlit/streamlit/pull/14922

Full Changelog: https://github.com/streamlit/streamlit/compare/1.56.0...1.57.0

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

What's Changed

Breaking Changes 🛠

• Add deprecation warning to SnowparkConnection by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14125

New Features 🎉

• Extend sprintf to support thousand separator by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13284
• Refactor SettingsDialog & add copyable version by @mayagbarnes in https://github.com/streamlit/streamlit/pull/13791
• Exclude collapsed expander content from browser find-in-page (Cmd+F) by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13818
• Allow dynamic changes to st.pills and st.segmented_control options when key is provided by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13684
• Add support for cachetools 7.x by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13839
• Add support for selections on multi-view vega charts by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13591
• Add client.allowedOrigins config option by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13829
• Have server ack app_heartbeat messages received from client by @vdonato in https://github.com/streamlit/streamlit/pull/13810
• feat: add metricValueFontSize and metricValueFontWeight theme options by @kagawa0710 in https://github.com/streamlit/streamlit/pull/13550
• [feature] add width auto parameter to st.markdown by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/13841
• Bind widgets to query params - FE hooks & color_picker support by @mayagbarnes in https://github.com/streamlit/streamlit/pull/13845
• Bind widgets to query params - st.checkbox & st.toggle by @mayagbarnes in https://github.com/streamlit/streamlit/pull/13900
• Auto-escape some markdown syntax in markdown labels by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13887
• Bind widgets to query params - st.text_input & st.text_area by @mayagbarnes in https://github.com/streamlit/streamlit/pull/13901
• Add page visibility parameter to st.Page by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13905
• Add width and height configuration to st.table by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13850
• Bind widgets to query params - st.radio & st.selectbox by @mayagbarnes in https://github.com/streamlit/streamlit/pull/13922
• Bind widgets to query params - st.number_input by @mayagbarnes in https://github.com/streamlit/streamlit/pull/13917
• Bind widgets to query params - st.multiselect by @mayagbarnes in https://github.com/streamlit/streamlit/pull/13951
• [DynamicContainers] Dynamic Popovers by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/13914
• Add select all and select x matches (select all 2) by @sfc-gh-dmatthews in https://github.com/streamlit/streamlit/pull/13795
• New styling for selectbox and multiselect (select all 3) by @sfc-gh-dmatthews in https://github.com/streamlit/streamlit/pull/13796
• New styling for date and time widgets (select all 4) by @sfc-gh-dmatthews in https://github.com/streamlit/streamlit/pull/13797
• New styling for remaining dropdowns (select all 5) by @sfc-gh-dmatthews in https://github.com/streamlit/streamlit/pull/13798
• Add delta_description to st.metric by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13848
• [DynamicContainers] Dynamic Tabs by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/13910
• [feat] Add scroll arrows for overflowing tabs in st.tabs by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13987
• [DynamicContainers] Dynamic Expanders by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/13888
• Bind widgets to query params - st.slider & st.select_slider by @mayagbarnes in https://github.com/streamlit/streamlit/pull/13979
• [feat] Add custom hex color support for markdown rendering by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14041
• [feat] Add markdown support to page titles in st.Page by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14010
• Bind widgets to query params - st.pills & st.segmented_control by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14006
• Bind widgets to query params - st.date_input by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14034
• [DynamicContainers] Callback support for expanders by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14008
• [Feat] Updated MainMenu by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14101
• Add logger.hideWelcomeMessage config option by @vdonato in https://github.com/streamlit/streamlit/pull/14118
• Bind widgets to query params - st.datetime_input & st.time_input by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14103
• [DynamicContainers] Callback support for popovers by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14075
• [DynamicContainers] Callback support for tabs by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14007
• [feature] Add link parameter to st.image by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14139
• [feat] Add markdown support for navigation section headers by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14053

Bug Fixes 🐛

• [security] Prevent SSRF attacks via path traversal in component file handling by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/13733
• [fix] Support boolean values for client.showErrorLinks config option by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/13806
• Fix st.select_slider format_func regression in AppTest by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13837
• Initialize all columns when appending rows to data_editor by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13916
• Don't accept 0 max selections in st.multiselect by @sfc-gh-dmatthews in https://github.com/streamlit/streamlit/pull/13966
• [fix] Restore layered vconcat width propagation and add #13974 regression tests by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/13980
• [fix] Add selection support for treemap and sunburst in st.plotly_chart by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13935
• fix: preserve active tab selection after spinner reruns by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/14023
• fix(code-block): move copy action into toolbar and preserve keyboard accessibility by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/14024
• Fix st.Page accepting slash-only url_path without raising exception by @nileshhadalgi016 in https://github.com/streamlit/streamlit/pull/14005
• fix(vega-lite): render vconcat charts with faceted/repeated children by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/14065
• fix(widgets): clear stale date validation UI on form clear by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/14066
• fix(button-group): keep segmented control hover borders visually consistent by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/14067
• Cache SqlConnection.query results per-instance. by @sfc-gh-jkinkead in https://github.com/streamlit/streamlit/pull/14094
• [fix] st.metric with chart_data wrapping in horizontal containers by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14110
• [fix] Normalize all date_input session state values to date by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14123
• Fix spinner clear_transient race condition during rapid reruns by @kmcgrady in https://github.com/streamlit/streamlit/pull/13849

Other Changes

• Improve streamlit config show output for theme sourcing by @mayagbarnes in https://github.com/streamlit/streamlit/pull/13761
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/13789
• [chore] Release v1.54.0 by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/13807
• [refactor] remove loading skeleton for dynamic popover by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14043
• [chore] Update emojis/material icons by @github-actions[bot] in https://github.com/streamlit/streamlit/pull/14099
• Improve version copy accessibility by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14131
• [chore] Wire up check_widget_policies correctly in dynamic containers by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14143
• Format date/time slider URL query params as ISO strings by @mayagbarnes in https://github.com/streamlit/streamlit/pull/14120

New Contributors

• @nileshhadalgi016 made their first contribution in https://github.com/streamlit/streamlit/pull/14005

Full Changelog: https://github.com/streamlit/streamlit/compare/1.54.0...1.55.0