v0.85.0

0.85.0 (2026-03-14)

⚠ BREAKING CHANGES

• core: fully drops URI usage

Features

• core: bump substrait to v0.85.0, drop URI support (#740) (441d355)

v0.84.1

0.84.1 (2026-03-14)

Bug Fixes

• isthmus: fix calcite optimization when DDL statements are used (#739) (94a0188)
• minimise overflow on timestamp conversion (#737) (dd89ce0)

v0.84.0

0.84.0 (2026-03-12)

Features

• core: expose metadata from YAML extension files (#691) (b865296)
• isthmus: enable precision timestamp addition/subtraction (#745) (df13eb8)

Bug Fixes

• core: create precision time protobuf (#742) (824fc58)
• isthmus: support DDL statements in SqlToSubstrait conversion (#736) (ff3607d)

v0.83.0

0.83.0 (2026-03-09)

Features

• isthmus: migrate to PrecisionTime / PrecisionTimestamp (#721) (7b43752)
• spark: build and publish multi-variant targets (#707) (d3ce994)

Bug Fixes

• properly deprecate Time(stamp) in favor of PrecisionTime(stamp) (#720) (d4697f7)
• release of spark variants failed (#734) (724aa22)

v0.82.0

0.82.0 (2026-03-02)

Features

• core: add SubstraitBuilder.fieldReference(s) methods for joins (#712) (66d7c0b)
• introduce Type#withNullable(boolean) (#713) (ea1a708)
• spark: support lpad and rpad functions (#719) (5cf6820)

Bug Fixes

• isthmus: fix argument order for trim function mapping (#714) (45750bf)

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