Table of Contents

DuckDB.NET 1.4

This page lists the changes in DuckDB.NET 1.4 releases, newest first. For other versions, see Release Notes.

1.4.4

Released 2026-02-03 (NuGet, changes since 1.4.3). Built on DuckDB v1.4.4.

  • Added DuckDBMappedAppender, a type-safe way to bulk load data. See Mapped Appender.

1.4.3

Released 2025-12-11 (NuGet, changes since 1.4.1). Built on DuckDB v1.4.3.

  • Added support for infinite (±infinity) dates and timestamps. Thanks to @rynoV for the pull request.
  • Improved handling of aborted transactions. Thanks to @rynoV for the pull request.
  • Fixed decimal parameter handling in prepared statements. Thanks to @rynoV for the pull request.

1.4.1

Released 2025-10-13 (NuGet, changes since 1.3.2). Built on DuckDB v1.4.1.

  • Improved support for parameter binding in parameterized statements.
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