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Altair v3.2.0 Release Notes

Release Date: 2019-08-05 // over 4 years ago

  • 🔖 Version 3.2.0 (released August 5, 2019)

    🚀 Upgraded to Vega-Lite version 3.4 (See Vega-Lite 3.4 Release Notes).

    Following are changes to Altair in addition to those that came with VL 3.4:

    ✨ Enhancements

    • Selector values can be used directly in expressions (#1599)
    • Top-level chart repr is now truncated to improve readability of error
      messages (#1572)

    🐛 Bug Fixes

    • top-level add_selection methods now delegate to sub-charts. Previously
      they produced invalid charts (#1607)
    • 🚚 Unsupported mark_*() methods removed from LayerChart (#1607)
    • 🆕 New encoding channels are properly parsed (#1597)
    • Data context is propagated when encodings are specified as lists (#1587)

    Backward-Incompatible Changes

    • alt.LayerChart no longer has mark_*() methods, because they never
      produced valid chart specifications) (#1607)