Streamlit 1.61.0

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