What's Changed

New Features 🎉

• [feature] Add on_change="ignore" mode to st.multiselect by @lukasmasuch in #16908
• [feature] Add on_change="ignore" mode to st.radio by @lukasmasuch in #16951
• [feature] Add required parameter to st.text_input by @lukasmasuch in #16956
• [feature] Add on_change="ignore" to st.checkbox and st.toggle by @lukasmasuch in #16960
• [feature] Support pasting a full date range into st.date_input by @mayagbarnes in #17004
• [feature] Support query param binding for st.tabs by @mayagbarnes in #16988
• [feature] Add on_change="ignore" mode to st.text_area by @lukasmasuch in #17002
• [feature] Add alt parameter to st.audio and st.video by @mayagbarnes in #16568
• [feature] support query param binding in st.expander by @mayagbarnes in #15462
• [feature] Add required parameter to st.number_input by @lukasmasuch in #17023
• [feature] Add alt parameter to st.iframe by @mayagbarnes in #17040
• [feature] Add alt to st.altair_chart and st.vega_lite_chart by @mayagbarnes in #17041
• [feature] Add alt to built-in Vega chart commands by @mayagbarnes in #17069
• [feature] Add alt to st.echarts_chart by @mayagbarnes in #17080
• [feature] Add alt to st.plotly_chart by @mayagbarnes in #17081
• [feature] Add alt to st.graphviz_chart by @mayagbarnes in #17085
• [feature] Add alt to st.map and st.pydeck_chart by @mayagbarnes in #17086
• [feature] Add on_change="ignore" mode to st.date_input by @lukasmasuch in #17064
• [feature] Add alt to st.table by @mayagbarnes in #17095
• [feature] Add alt to st.mermaid_chart by @mayagbarnes in #17096
• [feature] Add on_change="ignore" mode to st.time_input by @lukasmasuch in #17159
• [feature] Render st.dialog as a side drawer via position by @lukasmasuch in #16863
• [feature] Add alt to st.image and st.pyplot by @mayagbarnes in #17137
• [feature] Add on_change="ignore" mode to st.file_uploader by @lukasmasuch in #17172
• [feature] Add dataframeHeaderTextColor theme option by @lukasmasuch in #17181
• [feature] Add alt to st.dataframe and st.data_editor by @mayagbarnes in #17125
• [feature] Add alt to st.pdf by @mayagbarnes in #17118

Bug Fixes 🐛

• [fix] Add helpful errors for unknown st.* names by @lukasmasuch in #16912
• [fix] Clear incomplete date segments on form reset by @mayagbarnes in #16985
• [fix] Cancel in-progress date range selection on external updates by @mayagbarnes in #16984
• [fix] Clarify date range validation errors by @mayagbarnes in #16983
• [fix] Keep date input icons visible in narrow layouts by @mayagbarnes in #16986
• [fix] Sync st.query_params on same-page browser back/forward by @mayagbarnes in #16989
• [fix] Apply AppTest form values only on submit by @lukasmasuch in #16972
• [fix] Accept AppTest attribute names in get() by @lukasmasuch in #17000
• [fix] Accept st.image use_column_width as a no-op by @lukasmasuch in #16999
• [fix] Avoid autoscroll for chat inputs in st.bottom by @sfc-gh-lwilby-1 in #16980
• [fix] Clarify session state mutation errors by @lukasmasuch in #17016
• [fix] Preserve leading decimals in data editor by @sfc-gh-lwilby-1 in #16920
• [fix] Restore checkbox hover to match secondary button by @mayagbarnes in #17034
• [fix] Restore radio hover to match secondary button by @mayagbarnes in #17035
• [fix] Allow process exit on hung script threads by @lukasmasuch in #17022
• [fix] Name layout block in cache replay error by @lukasmasuch in #17065
• [fix] Strengthen visible sidebar border on hover by @mayagbarnes in #17071
• [fix] Restore query-bound widgets on browser back/forward by @mayagbarnes in #16998
• [fix] Stop custom borderColor from painting st.toggle off track by @mayagbarnes in #17079
• [fix] Reject awaitables from synchronous cached functions by @sfc-gh-lwilby-1 in #16921
• [fix] Preserve dialogs across parent fragment reruns by @sfc-gh-lwilby-1 in #17039
• [fix] Open-in-new icon in narrow LinkColumn by @sfc-gh-lwilby-1 in #17090
• [fix] Ignore keyless events in GlobalHotkeys by @sfc-gh-lwilby-1 in #17105
• [fix] Ignore keyless events in dialog R-key handler by @sfc-gh-lwilby-1 in #17111
• [fix] Delayed keyed widgets adopt stored session state by @sfc-gh-lwilby-1 in #17106
• [fix] Allow websockets 17.x by @sfc-gh-lwilby-1 in #17113
• [fix] Match MainMenu toggle off-state color to st.toggle by @mayagbarnes in #17083
• [fix] Keep iconed expanders out of AppTest status by @lukasmasuch in #17162
• [fix] Omit index image alt and skip unsafe link anchors by @mayagbarnes in #17136
• [fix] Form enter-to-submit with disabled first button by @lukasmasuch in #17171
• [fix] Unwrap single-valued AppTest query params by @lukasmasuch in #17191
• [fix] Compose alt into toolbar accessible names; 24px targets by @mayagbarnes in #17211
• [fix] Add AppTest support for st.space by @lukasmasuch in #17208
• [fix] Clear grid on repeated empty selection by @lukasmasuch in #17224
• [fix] Restore overlay toolbar gap after 24px min size by @mayagbarnes in #17225

Other Changes

• [chore] Update emojis/material icons by @github-actions[bot] in #16962
• [chore] Release v1.64.0 by @github-actions[bot] in #16981
• [docs] Cover high-cardinality options in selection widgets by @sfc-gh-nbellante in #17005
• [chore] Update emojis/material icons by @github-actions[bot] in #17072
• [chore] Update emojis/material icons by @github-actions[bot] in #17176
• [docs] Add alt guidance to developing-with-streamlit skill by @mayagbarnes in #17201

Full Changelog: 1.64.0...1.65.0