What's Changed

Breaking Changes 🛠

• refactor: deprecate kwargs in st.plotly_chart and add config dict instead by @zyfy29 in https://github.com/streamlit/streamlit/pull/12291
• Use key as main identity for st.checkbox & st.toggle by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12372
• Remove **kwargs support from st.write by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12375
• Use key as main identity for st.number_input by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12437
• Use key as main identity for st.text_area & st.text_input by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12397

New Features 🎉

• Add MultiselectColumn for st.dataframe and st.data_editor by @lukasmasuch in https://github.com/streamlit/streamlit/pull/9223
• Add support for source directly in theming font configs by @mayagbarnes in https://github.com/streamlit/streamlit/pull/12239
• [feat] Add default param to st.tabs by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/12313
• Add border parameter to st.table by @jrieke in https://github.com/streamlit/streamlit/pull/11796
• [feat] Hover, active, focus-visible states for CopyButton by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/12348
• [AdvancedLayouts] Adds a width parameters to st.line_chart. by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/11923
• Add main theme color config options by @mayagbarnes in https://github.com/streamlit/streamlit/pull/12288
• Use key as main identity for button widgets by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12332
• Add sort parameter to st.bar_chart by @jrieke in https://github.com/streamlit/streamlit/pull/12339
• Add theme background color config options by @mayagbarnes in https://github.com/streamlit/streamlit/pull/12405
• Add theme text color config options by @mayagbarnes in https://github.com/streamlit/streamlit/pull/12438
• Use key as main identity for st.time_input & st.date_input by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12464
• [feat] Add sample rate parameter to st.audio_input component by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/12272
• Metric supports numerics like decimal. by @aebrahim in https://github.com/streamlit/streamlit/pull/12377
• Show slider tick labels on hover by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12367
• [AdvancedLayouts] Add height param to st.graphviz_chart by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/12297
• Use key as main identity for st.selectbox & st.multiselect by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12493
• Support configuring the chart column colors by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12292

Bug Fixes 🐛

• Fix code usage in markdown labels by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12175
• [fix] Fullscreen behaviour for st.image with use_container_width=True or width="stretch" by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/12235
• [fix] DateInput: normalize selected dates to start-of-day to honor max by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/12295
• Ensure markdown images keep the aspect ratio by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12343
• Fix issue with typing formatted values into st.number_input by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12351
• [fix] html with float height. by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/12354
• [fix] Share more code between Selectbox and Multiselect to align behavior by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/12330
• Fix logo pushing out collapse button by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12329
• Fix long-words overflowing markdown container by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12370
• Add MIME type for .mjs by @geoextra in https://github.com/streamlit/streamlit/pull/12399
• Fix Pandas styler performance regression by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12422
• [fix] Allow empty section pages in top navigation similar to how we do it for sidebar nav by @nico-bellante in https://github.com/streamlit/streamlit/pull/12247
• [fix] horizontal alignment of st.image in vertical containers by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/12495
• [fix] Setting 0 for height/width on components.html and components.iframe . by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/12479
• Fix duckdb integration test by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12537
• Revert number input component refactoring by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12547

Other Changes

• Add default main colors to theme by @mayagbarnes in https://github.com/streamlit/streamlit/pull/12334
• Release/1.49.0 by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12328
• Release/1.49.1 by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12376
• Add default background colors to theme by @mayagbarnes in https://github.com/streamlit/streamlit/pull/12341
• Make git utilities more robust by @lukasmasuch in https://github.com/streamlit/streamlit/pull/12393
• Update cache headers to include max-age and immutable by @sfc-gh-gwatters in https://github.com/streamlit/streamlit/pull/12420
• Add default text colors to theme by @mayagbarnes in https://github.com/streamlit/streamlit/pull/12407
• [chore] Adding latest material icons by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/12473
• [chore] Updating material icons by @sfc-gh-nbellante in https://github.com/streamlit/streamlit/pull/12535

New Contributors

• @zyfy29 made their first contribution in https://github.com/streamlit/streamlit/pull/12291
• @geoextra made their first contribution in https://github.com/streamlit/streamlit/pull/12399
• @sfc-gh-gwatters made their first contribution in https://github.com/streamlit/streamlit/pull/12420
• @nico-bellante made their first contribution in https://github.com/streamlit/streamlit/pull/12247
• @aebrahim made their first contribution in https://github.com/streamlit/streamlit/pull/12377

Full Changelog: https://github.com/streamlit/streamlit/compare/1.49.1...1.50.0