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Placeholder value None not respected for new rows with empty cells in st.data_editor with pandas>=3.0.0

area:dependenciesRelated to package dependenciesRelated to package dependencies

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

status:needs-triageIssue has not been triaged by the Streamlit teamIssue has not been triaged 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

upstreamIssue caused by upstream dependencyIssue caused by upstream dependency

Status: Open.

#14693 In streamlit/streamlit;

· eskildsf opened on Apr 8, 2026

data_editor checkboxes are invisible when None value is supplied but appear on hover and accept input

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

status:needs-triageIssue has not been triaged by the Streamlit teamIssue has not been triaged by the Streamlit team

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

Status: Open.

#14692 In streamlit/streamlit;

· eskildsf opened on Apr 8, 2026

Possible Regression: Conditional Block Type Change (whitescreen when switching between expander and tabs)

area:frontendRelated to frontend aspectsRelated to frontend aspects

feature:st.expanderRelated to the `st.expander` containerRelated to the `st.expander` container

feature:st.tabsRelated to the `st.tabs` containerRelated to the `st.tabs` container

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

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.

#14672 In streamlit/streamlit;

· olivia-banks opened on Apr 7, 2026

Inconsistent space encoding in query params / Encode spaces as + with bind="query-params"

area:frontendRelated to frontend aspectsRelated to frontend aspects

feature:query-paramsRelated to `st.query_params`Related to `st.query_params`

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.

#14671 In streamlit/streamlit;

· JosephMarinier opened on Apr 7, 2026

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

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

Required String parameter 'redirect_uri' is not present on OIDC logout with AWS cognito

feature:authenticationRelated to user authenticationRelated to user authentication

feature:st.loginRelated to `st.login` commandRelated to `st.login` command

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.

#14601 In streamlit/streamlit;

· thorin-schiffer opened on Apr 1, 2026

Internal Page Link with st.image

feature:multipage-appsRelated to multipage app navigationRelated to multipage app navigation

feature:st.imageRelated to the `st.image` elementRelated to the `st.image` element

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

Status: Open.

#14594 In streamlit/streamlit;

· mkubi84 opened on Mar 31, 2026

st.cache_data on class methods intermittently raises UnserializableReturnValueError

area:backendRelated to Python backendRelated to Python backend

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

feature:file-watcherRelated to file watching for hot reloadRelated to file watching for hot reload

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

Status: Open.

#14593 In streamlit/streamlit;

· v-pi opened on Mar 31, 2026