[Fix]: st.altair_chart selection interval showing true tooltip#10456
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sfc-gh-bnisco
approved these changes
Feb 20, 2025
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Describe your changes
When adding a selection interval to an altair plot, the selection rectangle has a tooltip "true". There should not be a tooltip for the selection mark - it should be the same as vega behavior.
As noted in the vega docs here for
tooltipproperty, setting tooltip totrueor{"content": "encoding"}should exhibit the same behavior.Vega editor when hovering over selection interval vs OUTSIDE selection:


Current: Streamlit


st.altair_chartwhen hovering over selection interval vs OUTSIDEGitHub Issue Link
Closes #10448
Updated: hovering over selection interval:

Testing Plan