Release 1.49.0 (#1329)

* Update uploader example

* Include multi-cell in dataframe selection example

* Update streamlit.json

* Add st.pdf

* Move toast examples into docstrings

* Update streamlit.json

* Bokeh chart deprecation

* Use strings in ListColumn example

* Bump streamlit version for apps

* Release notes

* Remove smart quotes

* Cheat sheet

* A couple missing release notes from a bad copy-paste

* What's new

* Update link in Cheat sheet

Author: sfc-gh-dmatthews

content/develop/api-reference/_index.md

@@ -286,7 +286,7 @@ st_tags(label='# Enter Keywords:', text='Press enter to add more', value=['Zero'
 Apply text mining on a dataframe. Created by [@JohnSnowLabs](https://github.com/JohnSnowLabs/).
 
 ```python
-nlu.load('sentiment').predict('I love NLU! <3')
+nlu.load("sentiment").predict("I love NLU! <3")
 ```
 
 </ComponentCard>
@@ -1323,6 +1323,19 @@ Display a logo in the upper-left corner of your app and its sidebar.
 st.logo("logo.jpg")
 ```
 
+</RefCard>
+<RefCard href="/develop/api-reference/media/st.pdf">
+
+<Image pure alt="screenshot" src="/images/api/pdf.jpg" />
+
+<h4>PDF</h4>
+
+Display a PDF file.
+
+```python
+st.pdf("my_document.pdf")
+```
+
 </RefCard>
 <RefCard href="/develop/api-reference/media/st.audio">
 

content/develop/api-reference/charts/bokeh_chart.md

@@ -4,4 +4,4 @@ slug: /develop/api-reference/charts/st.bokeh_chart
 description: st.bokeh_chart displays an interactive Bokeh chart.
 ---
 
-<Autofunction function="streamlit.bokeh_chart" />
+<Autofunction function="streamlit.bokeh_chart" deprecated={true} deprecatedText="<code>st.bokeh_chart</code> was deprecated in version 1.49.0. Use the <a href='https://github.com/streamlit/streamlit-bokeh'><code>streamlit-pdf</code></a> custom component instead."/>

content/develop/api-reference/media/_index.md

@@ -36,6 +36,19 @@ Display a logo in the upper-left corner of your app and its sidebar.
 st.logo("logo.jpg")
 ```
 
+</RefCard>
+<RefCard href="/develop/api-reference/media/st.pdf">
+
+<Image pure alt="screenshot" src="/images/api/pdf.jpg" />
+
+<h4>PDF</h4>
+
+Display a PDF file.
+
+```python
+st.pdf("my_document.pdf")
+```
+
 </RefCard>
 <RefCard href="/develop/api-reference/media/st.audio">
 

content/develop/api-reference/media/pdf.md

@@ -0,0 +1,7 @@
+---
+title: st.pdf
+slug: /develop/api-reference/media/st.pdf
+description: st.pdf displays a PDF viewer
+---
+
+<Autofunction function="streamlit.pdf" />

content/develop/api-reference/status/toast.md

@@ -5,42 +5,3 @@ description: st.toast briefly displays a toast message in the bottom-right corne
 ---
 
 <Autofunction function="streamlit.toast" />
-
-When multiple toasts are generated, they will stack. Hovering over a toast will
-stop it from disappearing. When hovering ends, the toast will disappear after
-four more seconds.
-
-```python
-import streamlit as st
-import time
-
-if st.button('Three cheers'):
-    st.toast('Hip!')
-    time.sleep(.5)
-    st.toast('Hip!')
-    time.sleep(.5)
-    st.toast('Hooray!', icon='🎉')
-```
-
-<Cloud name="doc-status-toast1" height="300px" />
-
-Toast messages can also be updated. Assign `st.toast(my_message)` to a variable
-and use the `.toast()` method to update it. Note: if a toast has already disappeared
-or been dismissed, the update will not be seen.
-
-```python
-import streamlit as st
-import time
-
-def cook_breakfast():
-    msg = st.toast('Gathering ingredients...')
-    time.sleep(1)
-    msg.toast('Cooking...')
-    time.sleep(1)
-    msg.toast('Ready!', icon = "🥞")
-
-if st.button('Cook breakfast'):
-    cook_breakfast()
-```
-
-<Cloud name="doc-status-toast2" height="200px" />

content/develop/quick-references/api-cheat-sheet.md

@@ -5,7 +5,7 @@ slug: /develop/quick-reference/cheat-sheet
 
 # Streamlit API cheat sheet
 
-This is a summary of the docs for the latest version of Streamlit, [v1.48.0](https://pypi.org/project/streamlit/1.48.0/).
+This is a summary of the docs for the latest version of Streamlit, [v1.49.0](https://pypi.org/project/streamlit/1.49.0/).
 
 <Masonry>
 
@@ -116,10 +116,11 @@ st.metric("My metric", 42, 2)
 
 ```python
 st.image("./header.png")
+st.logo("logo.jpg")
+st.pdf("my_document.pdf")
 st.audio(data)
 st.video(data)
 st.video(data, subtitles="./subs.vtt")
-st.logo("logo.jpg")
 ```
 
 </CodeTile>
@@ -137,7 +138,6 @@ st.map(df)
 st.scatter_chart(df)
 
 st.altair_chart(chart)
-st.bokeh_chart(fig)
 st.graphviz_chart(fig)
 st.plotly_chart(fig)
 st.pydeck_chart(chart)
@@ -160,7 +160,7 @@ event = st.vega_lite_chart(
 )
 ```
 
-To use newer versions of Bokeh, see our custom component [`streamlit-bokeh`](https://github.com/streamlit/streamlit-bokeh).
+To use Bokeh, see our custom component [`streamlit-bokeh`](https://github.com/streamlit/streamlit-bokeh).
 
 </CodeTile>
 

content/develop/quick-references/release-notes/2025.md

@@ -9,6 +9,59 @@ keywords: changelog, release notes, version history
 
 This page contains release notes for Streamlit versions released in 2025. For the latest version of Streamlit, see [Release notes](/develop/quick-reference/release-notes).
 
+## **Version 1.49.0**
+
+_Release date: August 26, 2025_
+
+**Highlights**
+
+- 📄 Introducing [`st.pdf`](/develop/api-reference/media/st.pdf) to beautifully render PDF documents in your app!
+- ⛏️ Dataframes support [cell selections](/develop/api-reference/data/st.dataframe#dataframeselectionstate)!
+- ✨ You can add sparklines to [`st.metric`](/develop/api-reference/data/st.metric)!
+- ✏️ [`ListColumn`](/develop/api-reference/data/st.column_config/st.column_config.listcolumn) is now editable!
+- 📂 Users can upload a directory of files with [`st.file_uploader`](/develop/api-reference/widgets/st.file_uploader) or [`st.chat_input`](/develop/api-reference/chat/st.chat_input).
+
+**Notable Changes**
+
+- 🏷️ You can configure the labels of options in [`SelectboxColumn`](/develop/api-reference/data/st.column_config/st.column_config.selectboxcolumn) with a new `format_func` parameter ([#12232](https://github.com/streamlit/streamlit/pull/12232), [#6795](https://github.com/streamlit/streamlit/issues/6795)).
+- 🍞 You can configure the duration of [`st.toast`](/develop/api-reference/status/st.toast) messages ([#11872](https://github.com/streamlit/streamlit/pull/11872), [#7047](https://github.com/streamlit/streamlit/issues/7047)).
+- 🔑 [`st.form_submit_button`](/develop/api-reference/execution-flow/st.form_submit_button) has a `key` parameter ([#12190](https://github.com/streamlit/streamlit/pull/12190), [#12121](https://github.com/streamlit/streamlit/issues/12121)).
+- 🌻 [Markdown](/develop/api-reference/text/st.markdown) and heading dividers can be yellow ([#12201](https://github.com/streamlit/streamlit/pull/12201)).
+- 💬 [`st.dialog`](/develop/api-reference/execution-flow/st.dialog) widths have a larger option ([#12040](https://github.com/streamlit/streamlit/pull/12040), [#8904](https://github.com/streamlit/streamlit/issues/8904)).
+- 💻 `st.dataframe` and `st.data_editor` have `width` and `height` to use with flex layouts ([#11930](https://github.com/streamlit/streamlit/pull/11930)).
+- 🖼️ `st.image`, `st.pyplot`, and `st.graphviz_chart` have a `width` parameter to use them with flex layouts ([#11952](https://github.com/streamlit/streamlit/pull/11952), [#12212](https://github.com/streamlit/streamlit/pull/12212)).
+- 📈 Users can access the underlying data of a Vega chart through the toolbar. This includes all data passed to the chart, even if it's not displayed ([#10311](https://github.com/streamlit/streamlit/pull/10311)).
+- ☠️ `st.bokeh_chart` is deprecated. Use the [`streamlit-bokeh`](https://github.com/streamlit/streamlit-bokeh) custom component instead.
+- 🧹 We removed deprecated commands and parameters: `st.experimental_dialog`, `st.experimental_fragment`, and caching's `experimental_allow_widgets` ([#12167](https://github.com/streamlit/streamlit/pull/12167)).
+
+**Other Changes**
+
+- 🏃‍♂️ For better performance, `st.slider` will not rerun the app until the user releases the slider thumb ([#11879](https://github.com/streamlit/streamlit/pull/11879), [#4541](https://github.com/streamlit/streamlit/issues/4541)).
+- 💅 For improved custom theming, single mark charts use the first categorical chart color ([#12162](https://github.com/streamlit/streamlit/pull/12162)).
+- 🌐 For `st.logo`, the `crossorigin` property can be configured by hosts ([#12226](https://github.com/streamlit/streamlit/pull/12226)).
+- 🎨 The colored decoration line at the top of Streamlit apps was removed ([#12155](https://github.com/streamlit/streamlit/pull/12155)).
+- 👻 The copy-to-clipboard function of multiple elements gives a checkmark feedback to users when they copy something ([#12141](https://github.com/streamlit/streamlit/pull/12141), [#12172](https://github.com/streamlit/streamlit/pull/12172)).
+- 🫥 Users can quickly hide or unhide all columns in a dataframe ([#12164](https://github.com/streamlit/streamlit/pull/12164), [#12082](https://github.com/streamlit/streamlit/issues/12082)). Thanks, [plumol](https://github.com/plumol)!
+- ℹ️ Material icons were updated ([#12264](https://github.com/streamlit/streamlit/pull/12264)).
+- 👽 Bug fix: `CheckboxColumn` uses the radii from the theming configuration options ([#12263](https://github.com/streamlit/streamlit/pull/12263)).
+- 🦀 Bug fix: A column's menu is not accessible when the column is hidden ([#12233](https://github.com/streamlit/streamlit/pull/12233), [#12230](https://github.com/streamlit/streamlit/issues/12230)). Thanks, [plumol](https://github.com/plumol)!
+- 🦋 Bug fix: Streamlit correctly caches Pydantic models ([#12137](https://github.com/streamlit/streamlit/pull/12137), [#10348](https://github.com/streamlit/streamlit/issues/10348)).
+- 🦎 Bug fix: `st.plotly_chart` correctly handles null selections ([#12222](https://github.com/streamlit/streamlit/pull/12222), [#12191](https://github.com/streamlit/streamlit/issues/12191)).
+- 🐌 Bug fix: When using `accept_new_options=True` with `st.selectbox`, mobile users can access their keyboards ([#12219](https://github.com/streamlit/streamlit/pull/12219), [#12205](https://github.com/streamlit/streamlit/issues/12205)).
+- 🕸️ Bug fix: Streamlit does not raise an error when the user's email is empty and `server.showEmailPrompt` is false ([#12202](https://github.com/streamlit/streamlit/pull/12202), [#12166](https://github.com/streamlit/streamlit/issues/12166)). Thanks, [wyattscarpenter](https://github.com/wyattscarpenter)!
+- 🦗 Bug fix: The drop area of `st.file_uploader` correctly truncates a long list of file types ([#12192](https://github.com/streamlit/streamlit/pull/12192), [#12189](https://github.com/streamlit/streamlit/issues/12189)).
+- 🦂 Bug fix: The corner radius of `st.page_link` matches the navigation widget instead of the border radius configured for buttons ([#12181](https://github.com/streamlit/streamlit/pull/12181)).
+- 🦟 Bug fix: Cached replay correctly handles element height and width for flex layouts ([#12183](https://github.com/streamlit/streamlit/pull/12183)).
+- 🦠 Bug fix: When a client disconnects from a Streamlit server and the user dismisses the warning, the client will re-raise the warning while the app remains disconnected ([#12178](https://github.com/streamlit/streamlit/pull/12178), [#12113](https://github.com/streamlit/streamlit/issues/12113)).
+- 🪰 Bug fix: Identity provider logout was reverted to prevent redirect failures in `st.logout()` ([#12179](https://github.com/streamlit/streamlit/pull/12179)).
+- 🪳 Bug fix: Currency symbols in column configuration are narrowly formatted ([#11895](https://github.com/streamlit/streamlit/pull/11895)).
+- 🕷️ Bug fix: Users can't remove files from `st.file_uploader` while the widget is disabled ([#12180](https://github.com/streamlit/streamlit/pull/12180), [#12146](https://github.com/streamlit/streamlit/issues/12146)).
+- 🐞 Bug fix: `pip install` works correctly in Windows ([#8952](https://github.com/streamlit/streamlit/pull/8952)). Thanks, [Dev-iL](https://github.com/Dev-iL)!
+- 🐝 Bug fix: The drop-down menu for `st.time_input` uses theme colors consistently with other elements ([#12157](https://github.com/streamlit/streamlit/pull/12157)).
+- 🐜 Bug fix: `st.toast` uses custom theme colors ([#12160](https://github.com/streamlit/streamlit/pull/12160), [#11951](https://github.com/streamlit/streamlit/issues/11951)).
+- 🪲 Bug fix: The width handling of custom components was updated to work with horizontal containers ([#12148](https://github.com/streamlit/streamlit/pull/12148)).
+- 🐛 Bug fix: `st.chat_input` correctly resizes itself after the user submits a long message ([#12132](https://github.com/streamlit/streamlit/pull/12132), [#12079](https://github.com/streamlit/streamlit/issues/12079)).
+
 ## **Version 1.48.0**
 
 _Release date: August 5, 2025_