Releasesby GlyphMotherDuck on AWS Asia Pacific (Sydney and Tokyo)
MotherDuck is now available on AWS in ap-southeast-2 (Sydney) and ap-northeast-1 (Tokyo) for lower latency and regional data residency. Flights were not yet available in these regions at launch.
Also shipped Jul 16, 2026MotherDuck in July 2026 →
DCM Projects: New capabilities (Preview)
DCM Projects now supports the following capabilities in preview: For more information, see Supported object types in DCM Projects and Deploy and manage DCM Projects .
VOLATILE scalar UDFs are supported with dynamic table incremental refresh (General availability)
VOLATILE scalar user-defined functions (UDFs) are now supported with dynamic table incremental refresh in INCREMENTAL, AUTO, and ADAPTIVE refresh modes. This applies to scalar UDFs written in Python, Java, Scala, JavaScript, and SQL. For incremental refresh, VOLATILE UDFs are supported only in the SELECT clause.
Scala and Java UDFs in Unity Catalog are now generally available
Register Scala and Java user-defined functions (UDFs) in Unity Catalog and reuse them across notebooks, jobs, and SQL warehouses with Unity Catalog governance. Reuse existing JVM logic and get better performance than Python UDFs on all compute, including serverless. See Scala and Java user-defined functions (UDFs) in Unity Catalog .
MLflow trace storage in Unity Catalog is now generally available
MLflow trace storage in Unity Catalog tables is now generally available. Databricks recommends storing traces in Unity Catalog for new and production workloads: storage is unlimited, traces are stored in OpenTelemetry (OTel) format, access is governed through Unity Catalog schema and table permissions, and you can query traces with SQL, Genie, AI/BI...
Agentic code converter is in Beta
The agentic code converter is in Beta . Use it to convert legacy SQL dialects, such as T-SQL, Snowflake, Redshift, Oracle, BigQuery, and Teradata, to ANSI SQL in migration projects in your workspace.
Google Gemini 3 Pro is retired
Google Gemini 3 Pro is retired. Gemini 3.1 Pro is the recommended replacement. See Deprecated and retired models for migration guidance.
More from MotherDuckEvery MotherDuck release →
Run a Flight with a custom config override
In the Flights UI, the Run now menu lets users override config values for a single run without editing the Flight itself.
Scheduled Flights available on the Lite plan
Lite plan customers can now schedule Flight runs without per-user Flight or concurrency limits.
Rename views with ALTER TABLE ... RENAME TO
Views in a MotherDuck catalog can now be renamed using ALTER TABLE <view> RENAME TO <new_name>.
Role-based access control (RBAC) on Business and Enterprise
Admins can assign roles and grant scoped privileges on databases, shares, and platform resources from the Members and Roles page. RBAC is on Business and Enterprise plans; custom roles are also available for Enterprise.
Read and write to Cloudflare R2 Data Catalog
MotherDuck can now read from and write to Cloudflare R2 as a persisted Iceberg catalog.
Configurable maximum runtime for Flights
The Flights UI now includes a max runtime field so runs stop automatically if they exceed the set limit.
Flights available on Free and Lite plans
Flights are now available on Free and Lite plans, in addition to Business.