[docs] keyed fragment reruns (1.63.0 follow-up) - #1546
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…heet Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: lawilby <laura.wilby+oss@snowflake.com>
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Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: lawilby <laura.wilby+oss@snowflake.com>
Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: lawilby <laura.wilby+oss@snowflake.com>
Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: lawilby <laura.wilby+oss@snowflake.com>
Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: lawilby <laura.wilby+oss@snowflake.com>
Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: lawilby <laura.wilby+oss@snowflake.com>
Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: lawilby <laura.wilby+oss@snowflake.com>
sfc-gh-lwilby-1
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September 4, 2026 11:57
sfc-gh-lwilby-1
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Describe your changes
Adds prose coverage for the event-scoped fragment reruns feature that shipped in 1.63.0. The Autofunctions already render the new
keyparam onst.fragmentand the extendedscopeonst.rerun, but the concept page, extra API prose, and cheat sheet were not updated in the release PR.fragments.md): New "Target a fragment from outside with a key" section with code examples, multi-key usage, and a rules/constraints list (callback-only, unique keys, escalation, partial rendering).st.rerunpage: New "Usingst.reruninside callbacks" section noting thatst.rerunnow works in callbacks (behavior change in 1.63.0) and linking to the concept page for keyed reruns. Updated description and keywords.st.fragmentpage: Added keyed-fragment keywords to metadata.@st.fragment(key=...)andst.rerun("key")example.GitHub Issue Link (if applicable)
Follow-up to streamlit/streamlit PRs #16158, #16159, #16161.
Testing Plan
Made with Cursor