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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

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.

#14593 In streamlit/streamlit;

· v-pi opened on Mar 31, 2026

Theme colors using CSS OKLCH syntax can crash the frontend and block app load

area:frontendRelated to frontend aspectsRelated to frontend aspects

feature:themingRelated to themingRelated to theming

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.

#14573 In streamlit/streamlit;

· sfc-gh-bnisco opened on Mar 30, 2026

Security improvement: Azure SSO secrets in env vars instead of a plaintext file?

area:securityRelated to security concernsRelated to security concerns

feature:authenticationRelated to user authenticationRelated to user authentication

feature:st.secretsRelated to `st.secrets`Related to `st.secrets`

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

Status: Open.

#14571 In streamlit/streamlit;

· henrypost opened on Mar 30, 2026

st.data_editor on_change callback provides no context about what changed

feature:callbacksRelated to widget callbacksRelated to widget callbacks

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.

#14559 In streamlit/streamlit;

· mahdirajaee opened on Mar 28, 2026

st.cache_data / st.cache_resource provide no way to inspect cache size or memory usage

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

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

Status: Open.

#14558 In streamlit/streamlit;

· mahdirajaee opened on Mar 28, 2026

st.column_config silently ignores type mismatches instead of warning the developer

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

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

Status: Open.

#14557 In streamlit/streamlit;

· mahdirajaee opened on Mar 28, 2026

Overlap between cache spinner and progress bar text

area:frontendRelated to frontend aspectsRelated to frontend aspects

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

feature:st.progressRelated to the `st.progress` elementRelated to the `st.progress` element

feature:st.spinnerRelated to `st.spinner` elementRelated to `st.spinner` element

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.

#14555 In streamlit/streamlit;

· ghilesmeddour opened on Mar 28, 2026

Add .update() method for st.expander, st.tabs, and st.popover

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

feature:st.popoverRelated to the `st.popover` containerRelated to the `st.popover` container

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

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

Status: Open.

#14528 In streamlit/streamlit;

· sfc-gh-lwilby opened on Mar 26, 2026

Enhancement: Rerun-resilient streaming (st.write_stream that survives widget interactions)

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

Status: Open.

#14524 In streamlit/streamlit;

· sfc-gh-lwilby opened on Mar 25, 2026

st.yield_point — cooperative cancellation checkpoint for long-running code

area:threading/processingRelated to threading and multiprocessingRelated to threading and multiprocessing

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.

#14523 In streamlit/streamlit;

· sfc-gh-lwilby opened on Mar 25, 2026

Layout containers (tabs, expander, popover) should persist frontend state automatically without requiring key=

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

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

Status: Open.

#14492 In streamlit/streamlit;

· sfc-gh-lwilby opened on Mar 24, 2026