v0.81.0

0.81.0 (2026-03-01)

Features

• isthmus: support Substrait struct literal conversions (#677) (cd2535b)

v0.80.0

0.80.0 (2026-02-24)

⚠ BREAKING CHANGES

• removed FeatureBoard class
• all constructors consuming a FeatureBoard have been
  removed
• a number of methods/constructors have been replaced
  with ConverterProvider equivalents

Features

• introduce ConverterProvider to control conversion behaviour (#649) (bb58d42)

v0.79.0

0.79.0 (2026-02-22)

Features

• isthmus: add method to convert Plan into SQL strings using dialect (#704) (e75b621)
• spark: upgrade scala compiler to 2.13.18 (#705) (becd45e)

v0.78.0

0.78.0 (2026-02-01)

Features

• isthmus: add strptime_* function mappings (#695) (d93efe4)

v0.77.0

0.77.0 (2026-01-25)

⚠ BREAKING CHANGES

• io.substrait.relation.EmptyScan has been removed

Features

• allow the creation of VirtualTableScans with no rows (#682) (32add4d)

Bug Fixes

• core: enforce NullLiteral nullable invariant (#686) (65c6881), closes #685
• isthmus: preserve nullability in VirtualTableScan Calcite roundtrip (#684) (e1c5207), closes #683

v0.76.0

0.76.0 (2026-01-18)

⚠ BREAKING CHANGES

• core: UserDefinedLiteral immutable abstract class becomes a UserDefinedAnyLiteral and UserDefinedStructLiteral
• core: Removed ExpressionCreator#userDefinedLiteral method
• core: Removed all visitor methods operating on Expression.UserDefinedLiteral

Features

• core: handle struct-based UDT literals (#613) (13309df)

Bug Fixes

• add javadoc to core (part i) (#648) (5e2d0bb)
• isthmus: correct strpos parameter order (#676) (e0d0e52)

v0.75.0

0.75.0 (2026-01-11)

Features

• isthmus: improve DECIMAL type handling (#655) (#656) (bce3e73)

v0.74.0

0.74.0 (2025-12-21)

Features

• handle parameterConsistency option in YAML extensions (#624) (acaecb5)
• isthmus: support month()-style datetime operators (#643) (82141bb)

Bug Fixes

• add essential javadoc to remove warnings (#639) (89c8538)

v0.73.0

0.73.0 (2025-12-14)

Features

• isthmus: add dynamic function conversion capabilities (#457) (c5b1536)
• support Nested Lists (#627) (717242a)

v0.72.0

0.72.0 (2025-12-07)

Features

• support Nested Structs (#579) (8845bbf)