DuckDB — Data, Analytics product updates and releases, tracked on megachangelog.
This release contains numerous bug fixes addressing issues discovered after v1.5.5, including fixes for window elimination, query execution, parquet handling, and various stability improvements across the query engine and storage layer.
A bug fix release addressing security vulnerabilities, memory leaks, data corruption issues, and various stability improvements across multiple subsystems including JSON processing, Parquet support, RLE encoding, and dependency management.
This release contains multiple bug fixes and stability improvements across various components including JSON handling, window functions, parquet reading, and memory management. Users should update to resolve issues discovered after the v1.5.3 release.
DuckDB 1.4.5 is a maintenance release that addresses numerous bugs discovered after v1.4.4, including fixes for race conditions, CSV reader issues, integer overflow detection, and various extension updates.
A bugfix release addressing various issues discovered after v1.5.2, including fixes for JSON serialization, ADBC ingestion, timestamp formatting, parquet handling, and numerous stability improvements across extensions and core functionality.
A comprehensive bug fix release addressing race conditions, memory leaks, integer overflows, parsing issues, and various stability improvements discovered after v1.5.1. This release includes backports of critical fixes and updates to dependencies including Julia, Lance, and storage version bumps.
This release fixes various issues discovered after v1.5.0, including regressions in struct unnesting, storage handling, Parquet reading, CLI functionality, and multiple other stability improvements across extensions, query optimization, and platform-specific features.
DuckDB v1.5.0 brings numerous performance optimizations, new features like ALTER DATABASE rename support and read_duckdb function for reading database files, improved query execution with late materialization and filter pushdown, and various bug fixes and internal improvements across query optimization, storage, and the C-API.
This bugfix release addresses numerous issues discovered after v1.4.3, including fixes for VARCHAR to INTEGER casting, NULL filter handling, storage issues, memory safety problems, and various edge cases across multiple subsystems including window functions, joins, and extensions.
This release addresses various bugs discovered after 1.4.2, including fixes for table function equality, HAVING clause behavior, UTF-8 character handling, compression issues, and optimizations to query execution and extension management.
This release addresses multiple bug fixes discovered after v1.4.1, including a security fix for CVE-2025-64429 affecting the encryption feature. Users are encouraged to update, particularly those using DuckDB encryption.
A bug fix release addressing various issues discovered after 1.4.0, including fixes for JSON parsing, attachment logic, ICU offset parsing, threading issues, Parquet reader stability, and multiple extension bumps.
DuckDB 1.4.0 brings significant improvements to sorting performance, aggregation optimizations, new FILL window function support, buffer-managed indexes, enhanced profiling capabilities, and numerous API refinements across Python, C, Julia, and extension loading infrastructure.
This release includes bug fixes for various issues discovered after v1.3.1, with no new major features. Database files from DuckDB v0.9 and later remain compatible with this version.
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