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Merged
pbower merged 1 commit into from
Sep 19, 2026
Merged

Release Lightstream v0.7.0 #6

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12 changes: 8 additions & 4 deletions CHANGELOG.md
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Expand Up @@ -2,13 +2,13 @@

Notable changes are recorded from 0.5.0 onward.

## 0.7.0 (Unreleased)
## v0.7.0 19 Sep 2026

### Changed
### Enhancements

- Minarrow upgraded to 0.18.1 and vec64 0.5.1.
- New `decimal` feature forwarding minarrow's `decimal` feature. Decimal32, Decimal64 and Decimal128 columns are supported in Arrow IPC and in Parquet, where they map to the DECIMAL logical type over INT32, INT64 and FIXED_LEN_BYTE_ARRAY.
- The Python package pins minarrow and minarrow-pyo3 at 0.18.1.

Breaking change:
- Parquet writer improvements:
- The Parquet writer follows the Parquet value layout for nullable columns.
- Several improvements in categorical, time, and date roundtripping.
Expand All @@ -19,6 +19,10 @@ Notable changes are recorded from 0.5.0 onward.

- The Parquet reader failed with `UnexpectedEof` on files written by pyarrow. It now reads DataPageV1 pages with compressed levels, `RLE` booleans, dictionary-encoded columns of any physical type, and files with several row groups.

### Maintenance
- Minarrow upgraded to 0.18.2 and vec64 0.5.1.
- The Python package pins minarrow and minarrow-pyo3 at 0.18.2.

## 0.6.1

### Changed
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4 changes: 2 additions & 2 deletions python/Cargo.toml
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Expand Up @@ -24,8 +24,8 @@ lightstream = { version = "0.7", path = "../rust", features = ["csv", "datetime"
# minarrow-pyo3's dictionary-index conversion needs the extended features,
# and they flow through lightstream's flags so its match arms gate in step
# with minarrow's variants.
minarrow = { version = "0.18.1", features = ["chunked"] }
minarrow-pyo3 = { version = "0.18.1", features = ["extended_categorical", "extended_numeric_types"] }
minarrow = { version = "0.18.2", features = ["chunked"] }
minarrow-pyo3 = { version = "0.18.2", features = ["extended_categorical", "extended_numeric_types"] }
futures-core = "0.3"
pyo3 = { version = "0.29", features = ["abi3-py39"] }
# The QUIC and WebTransport dependency pins mirror lightstream's, so
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