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Customizable toolbar loading animation

area:frontendRelated to frontend aspectsRelated to frontend aspects

feature:configRelated to `config.toml` and config optionsRelated to `config.toml` and config options

type:enhancementRequests for feature enhancements or new featuresRequests for feature enhancements or new features

Status: Open.

#14806 In streamlit/streamlit;

· LeHoppel opened on Apr 15, 2026

st.fragment(lazy=True) — defer fragment execution until visible (viewport-triggered loading)

feature:st.fragmentRelated to `st.fragment` commandRelated to `st.fragment` command

type:enhancementRequests for feature enhancements or new featuresRequests for feature enhancements or new features

Status: Open.

#14788 In streamlit/streamlit;

· sfc-gh-lwilby opened on Apr 14, 2026

LinkColumn(width=43, display_text=":material/... fails to render the icon when the width is less than 44 px

feature:st.column_configRelated to column configuration functionalityRelated to column configuration functionality

feature:st.dataframeRelated to the `st.dataframe` elementRelated to the `st.dataframe` element

priority:P3Medium priorityMedium priority

status:confirmedBug has been confirmed by the Streamlit teamBug has been confirmed by the Streamlit team

type:bugSomething isn't working as expectedSomething isn't working as expected

Status: Open.

#14782 In streamlit/streamlit;

· JosephMarinier opened on Apr 14, 2026

Allow programmatically writing cookies during a session

area:utilitiesRelated to utility commandsRelated to utility commands

type:enhancementRequests for feature enhancements or new featuresRequests for feature enhancements or new features

Status: Open.

#14730 In streamlit/streamlit;

· lukasmasuch opened on Apr 11, 2026

Feature Request: Native support for multi-level nested keys in widget st.session_state assignments

area:widgetsRelated to widget elementsRelated to widget elements

feature:st.session_stateRelated to session state managementRelated to session state management

type:enhancementRequests for feature enhancements or new featuresRequests for feature enhancements or new features

Status: Open.

#14717 In streamlit/streamlit;

· i3130002 opened on Apr 10, 2026

Components V2 Inconsistent Execution / Result Dropping

area:execution-modelRelated to Streamlit's execution modelRelated to Streamlit's execution model

feature:custom-componentsRelated to custom componentsRelated to custom components

status:awaiting-user-responseIssue requires clarification from submitterIssue requires clarification from submitter

type:bugSomething isn't working as expectedSomething isn't working as expected

Status: Open.

#14710 In streamlit/streamlit;

· JWCS opened on Apr 9, 2026

Add an option for rows in data_editor checkbox columns where the checkbox is completely hidden.

feature:st.column_configRelated to column configuration functionalityRelated to column configuration functionality

feature:st.data_editorRelated to the `st.data_editor` widgetRelated to the `st.data_editor` widget

type:enhancementRequests for feature enhancements or new featuresRequests for feature enhancements or new features

Status: Open.

#14692 In streamlit/streamlit;

· eskildsf opened on Apr 8, 2026

Set state of a widget with bind="query-params"

area:widgetsRelated to widget elementsRelated to widget elements

type:enhancementRequests for feature enhancements or new featuresRequests for feature enhancements or new features

Status: Open.

#14670 In streamlit/streamlit;

· JosephMarinier opened on Apr 7, 2026

bug: @st.cache_data hash collision via fixed sampling seed and PIL P-mode palette omission

area:backendRelated to Python backendRelated to Python backend

area:securityRelated to security concernsRelated to security concerns

feature:cacheRelated to `st.cache_data` and `st.cache_resource`Related to `st.cache_data` and `st.cache_resource`

priority:P3Medium priorityMedium priority

status:confirmedBug has been confirmed by the Streamlit teamBug has been confirmed by the Streamlit team

type:bugSomething isn't working as expectedSomething isn't working as expected

Status: Open.

#14622 In streamlit/streamlit;

· 3em0 opened on Apr 3, 2026

Add st.emojis() component (custom falling emojis like snow/balloons)

area:utilitiesRelated to utility commandsRelated to utility commands

type:enhancementRequests for feature enhancements or new featuresRequests for feature enhancements or new features

type:possible-componentCould be implemented as a custom componentCould be implemented as a custom component

Status: Open.

#14620 In streamlit/streamlit;

· Oncorporation opened on Apr 2, 2026

Ag-Grid problem with 1.56.0 version

area:integrationsRelated to third-party integrationsRelated to third-party integrations

priority:P2Medium-high priority - fix within one monthMedium-high priority - fix within one month

status:confirmedBug has been confirmed by the Streamlit teamBug has been confirmed by the Streamlit team

type:bugSomething isn't working as expectedSomething isn't working as expected

type:regressionThis bug is a regression from previous behaviorThis bug is a regression from previous behavior

Status: Open.

#14608 In streamlit/streamlit;

· ricardo-ali opened on Apr 1, 2026

Allow download button function args

feature:st.download_buttonRelated to the `st.download_button` widgetRelated to the `st.download_button` widget

type:enhancementRequests for feature enhancements or new featuresRequests for feature enhancements or new features

Status: Open.

#14607 In streamlit/streamlit;

· sakshamgoyal-01 opened on Apr 1, 2026