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shefeek-jinnah merged 1 commit into from
Feb 4, 2026
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chore: prepare v0.0.5 release #48

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13 changes: 13 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,18 @@ All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [0.0.5] - 2026-02-04

### Added
- Write support with streaming API for DuckLake catalogs (`write` feature flag)
- SQL write support with `INSERT INTO` statements (`write` feature flag)
- Schema evolution support
- TPC-H and TPC-DS benchmarks comparing DuckDB-DuckLake vs DataFusion-DuckLake
- Benchmark test workflow for CI

### Changed
- Reuse DuckDB connection for metadata queries instead of creating new connection per call (performance improvement)

## [0.0.4] - 2026-01-14

### Added
Expand Down Expand Up @@ -46,6 +58,7 @@ Initial release.
- Filter pushdown to Parquet
- Query-scoped snapshot isolation

[0.0.5]: https://github.com/hotdata-dev/datafusion-ducklake/compare/v0.0.4...v0.0.5
[0.0.4]: https://github.com/hotdata-dev/datafusion-ducklake/compare/v0.0.3...v0.0.4
[0.0.3]: https://github.com/hotdata-dev/datafusion-ducklake/compare/v0.0.2...v0.0.3
[0.0.2]: https://github.com/hotdata-dev/datafusion-ducklake/compare/v0.0.1...v0.0.2
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24 changes: 23 additions & 1 deletion Cargo.lock
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2 changes: 1 addition & 1 deletion Cargo.toml
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Expand Up @@ -3,7 +3,7 @@ members = [".", "benchmark"]

[package]
name = "datafusion-ducklake"
version = "0.0.4"
version = "0.0.5"
edition = "2024"
authors = ["zac@hotdata.dev", "shefeek@hotdata.dev", "anoop@hotdata.dev"]
description = "DuckLake query engine for rust, built with datafusion."
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7 changes: 4 additions & 3 deletions README.md
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Expand Up @@ -10,7 +10,7 @@ The goal of this project is to make DuckLake a first-class, Arrow-native lakehou

## Currently Supported

- Read-only queries against DuckLake catalogs
- Read and write queries against DuckLake catalogs (INSERT INTO support)
- DuckDB, PostgreSQL, MySQL, and SQLite catalog backends
- Local filesystem and S3-compatible object stores (MinIO, S3)
- Snapshot-based consistency
Expand All @@ -29,7 +29,6 @@ The goal of this project is to make DuckLake a first-class, Arrow-native lakehou
## Known Limitations

- Complex types (nested lists, structs, maps) have minimal support
- No write operations
- No partition-based file pruning
- No time travel support
- DuckDB-encrypted Parquet files (non-PME) are not supported
Expand All @@ -55,7 +54,8 @@ This project is under active development. The roadmap below reflects major areas

### Write Support

- Initial write support for DuckLake tables
- ~~Initial write support for DuckLake tables~~ (Done in v0.0.5)
- UPDATE and DELETE operations

### Time Travel & Versioning

Expand Down Expand Up @@ -87,6 +87,7 @@ This project is under active development. The roadmap below reflects major areas
| `metadata-mysql` | MySQL catalog backend | |
| `metadata-sqlite` | SQLite catalog backend | |
| `encryption` | Parquet Modular Encryption (PME) support | |
| `write` | Write support (INSERT INTO) | |

```bash
# DuckDB only (default)
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