Releasesby Glyph[Preview] DuckLake 0.3
As we announced earlier this year, MotherDuck now supports DuckLake , an integrated data lake and catalog format. DuckLake 0.3 makes working with DuckLake more robust, including CHECKPOINT for easy maintenance , new paths for Iceberg interoperability, spatial geometry types , and MERGE INTO support .
Also shipped Oct 9, 2025MotherDuck in October 2025 →
Modal 1.2.0
In this release, we're introducing the concept of "App tags", which are simple key-value metadata that can be included to provide additional organizational context.
Workers - You can now deploy full-stack apps on Workers using Terraform
You can now upload Workers with static assets (like HTML, CSS, JavaScript, images) with the Cloudflare Terraform provider v5.11.0 ↗ , making it even easier to deploy and manage full-stack apps with IaC.
Workers - You can now deploy and manage Workflows in Terraform
You can now create and manage Workflows using Terraform, now supported in the Cloudflare Terraform provider v5.11.0 ↗ . Workflows allow you to build durable, multi-step applications -- without needing to worry about retrying failed tasks or managing infrastructure.
Radar - Expanded CT log activity insights on Cloudflare Radar
Radar has expanded its Certificate Transparency (CT) log insights with new stats that provide greater visibility into log activity: Log growth rate : The average throughput of the CT log over the past 7 days, measured in certificates per hour. Included certificate count : The total number of certificates already included in this CT log.
Label descriptions and archiving
Label descriptions and archiving Labels let you organize issues and projects in ways specific to your team or workspace. They can be used to define custom views and dashboards, or in Triage and SLA rules. We've made significant improvements to label functionality and management.
Serilog Integration for .NET
Send your existing logs instrumented with Serilog to Sentry automatically
More from MotherDuckEvery MotherDuck release →
Performance improvements
- Sorting is 2x+ faster: Complete rewrite of sorting uses less memory and scales better across threads for ORDER BY, window functions, and list sorting More efficient small writes: Appending small numbers of rows now writes far fewer bytes 5x faster checkpointing: Reuses table metadata when tables aren't altered during checkpoint Parallel connection...
SQL syntax updates
- MERGE INTO statement: Standard SQL upserts without requiring primary keys or indexes FILL() window function: Interpolate missing values in ordered data Python-style macro arguments: Macros accept positional or named arguments for any parameter STRUCT to MAP cast: Direct casting between struct and map types
Parquet improvements
- VARIANT type reading: Read Parquet VARIANT types for faster semi-structured data processing Native geometry type writes: Write native Parquet geometry types Auto-globbing for directories: Automatically treats paths as directories and retries with glob patterns when no file is found Learn more in the official DuckDB Labs announcements for 1.4.0 and 1.4.1 .
- Get help from MotherDuck Experts: Get a human helping hand with technical questions, troubleshooting, and...
- Get help from MotherDuck Experts: Get a human helping hand with technical questions, troubleshooting, and best practices directly in the MotherDuck UI. Open "Expert help" from the Help menu to talk with our team, and you'll be notified of responses. Expert help is available with Business and Lite plans.
- Duplicate MotherDuck notebook cells: Duplicate cells in MotherDuck UI notebooks using the cell options menu...
- Duplicate MotherDuck notebook cells: Duplicate cells in MotherDuck UI notebooks using the cell options menu or command menu. Access the duplicate option from the three-dot options menu on any cell, or use Cmd/Ctrl + Shift + P to open the command menu and search for "duplicate."
- MotherDuck extends cloud coverage to Europe: MotherDuck is now available on AWS in Frankfurt eu-central-1 ...
- MotherDuck extends cloud coverage to Europe: MotherDuck is now available on AWS in Frankfurt eu-central-1 ; users are able to create new Organizations in Europe for lower latency and regional data residency Expanded AI functions support for PROMPT() : The prompt function now supports additional parameters; MotherDuck users can now interact with Large...
- DuckDB 1.4.2: MotherDuck supports DuckDB 1.4.2, a bugfix release
- DuckDB 1.4.2: MotherDuck supports DuckDB 1.4.2, a bugfix release. Learn more in the official DuckDB Labs 1.4.2 announcement and changelog . Full command menu now at Cmd/Ctrl+K : Access common MotherDuck UI actions from your keyboard, including generating query edits, adding notebook cells, creating notebooks, and navigating between pages.
- Transient storage filter in Settings: The Databases page in Settings in the MotherDuck UI now supports...
- Transient storage filter in Settings: The Databases page in Settings in the MotherDuck UI now supports filtering by storage type DESCRIBE and SUMMARIZE exports: Downloading the results of DESCRIBE and SUMMARIZE queries is now supported in the MotherDuck UI DuckLake option in the Add Database menu: MotherDuck users can create a new DuckLake in the 'Add...