streamlit changelog & breaking changes

1.58.0

2026-05-28

⚠ Potential breaking changes

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
fix(auth): migrate provider tokens to joserfc by @sfc-gh-bnisco in https://github.com/streamlit/streamlit/pull/15178

2026-04-28

⚠ Potential breaking changes

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

2026-03-31

⚠ Potential breaking changes

[fix] Remove heading padding in horizontal containers for proper alignment by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14419

2026-03-03

⚠ Potential breaking changes

Breaking Changes 🛠
Add deprecation warning to SnowparkConnection by @lukasmasuch in https://github.com/streamlit/streamlit/pull/14125
[refactor] remove loading skeleton for dynamic popover by @sfc-gh-lwilby in https://github.com/streamlit/streamlit/pull/14043

2026-02-04

⚠ Potential breaking changes

Breaking Changes 🛠
Remove experimental query params by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13142
Remove deprecated `st.experimental_user` command by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13626
Set `add_rows` deprecation warning to show in browser by @lukasmasuch in https://github.com/streamlit/streamlit/pull/13628

2026-01-22

No breaking-change keywords detected in release notes.

2026-01-14

⚠ Potential breaking changes

2025-12-17

No breaking-change keywords detected in release notes.