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Tableau Prep 2026.1 features, Snowflake In-Database, Hyper as a Service + New Connectors

Tableau Prep is quietly sneaking up on Alteryx, and 2026.1 brings spatial joins, Snowflake in-database processing and Hyper as a Service.

Part ofWhat's new in Tableau 2026.1
  • Tableau Prep desktop and web are essentially the same product, with desktop running the web view inside an Electron container that you can even zoom with Ctrl plus and minus.
  • Spatial calculations and joins now work natively in Prep, bringing functions like make point, make line, buffer, distance, area, intersects, length and outline, with points, lines and polygons able to sit in one column.
  • In-database processing now supports Snowflake, pushing operations down to the warehouse for speed, but watch your credit consumption and keep sampling configured correctly on large datasets.
  • Hyper as a Service splits the flow processor (Minerva) and Hyper into separate pods on Tableau Cloud, allowing independent scaling and far fewer flow failures from memory constraints.
  • New connectors including REST API, Google Looker, SRE, custom OAuth for OneDrive/SharePoint in government cloud, and OAuth Cloudera for Impala are arriving in Prep, signalling shared connector code with Desktop.

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Tableau Prep 2026.1 brings major feature parity across web and desktop (which behave the same), highlighted by native spatial calculations and spatial joins using functions like MAKEPOINT, MAKELINE, BUFFER, DISTANCE, AREA, INTERSECTS, LENGTH, and OUTLINE, plus support for mixed geometry types in a single column. The release adds in-database processing for Snowflake to speed up flows on large datasets, with a caution about Snowflake credits and the importance of correct sampling. Hyper as a service becomes generally available in Tableau Prep on Cloud, separating the flow processor (Minerva) and Hyper into different pods to scale independently, isolate faults, and reduce memory-related flow failures. The video also notes connector additions (including Google, S3, OneDrive/SharePoint Online in Government Cloud, and Cloudera Impala) and hints at improved connector parity between Desktop and Prep, then previews the next video on Tableau Pulse.

00:00 Intro
00:31  Tableau Prep, Spatial Calculations and joins.
01:45 Tableau Prep In Database Processing for Snowflake
02:48   Tableau Prep Hyper as a Service
04:05 Other updates

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