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Rill 0.86 - BigQuery & DuckLake Live Connectors, Explain This Error

· 3 min read
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⚡ Rill Developer lets you transform datasets with SQL and build fast, exploratory dashboards. Rill Cloud enables collaboration at scale.

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release-0.86

BigQuery Live Connector​

You can now create metrics views directly on BigQuery via the new live connector, expanding Rill's OLAP support alongside ClickHouse, DuckDB, and Snowflake.

DuckLake Live Connector and DuckDB 1.5.2​

Rill now ships a DuckLake live connector, letting you attach a DuckLake catalog and query it directly as an OLAP source for metrics views and dashboards. DuckDB has been upgraded to 1.5.2 to enable DuckLake support.

Explain This Error in Rill Developer​

Error surfaces across Rill Developer now include an "Explain this error" CTA that sends the error to the AI assistant for a plain-language explanation and suggested fix.

Bug Fixes and Improvements​

Explore / Dashboards​

  • Fixed pivot hover description in public URL
  • Fixed duplicate Y-axis labels when dynamic scale is enabled
  • Fixed default snap for XTD time ranges
  • Fixed scrub for Vega TDD charts
  • Replaced linear interpolation with zero-fill for null gaps in metrics time series charts
  • Fixed explore names with URL-encoded characters
  • Fixed metrics view model dropdown
  • Migrated Partition Modal to use BasicTable component
  • Fixed canvas and explore visual editing e2e test flakiness

Canvas​

  • Added "View as user" for Canvas dashboards in Rill Developer
  • Use unvalidated spec as fallback for canvas to avoid blank states

AI / LLM​

  • Added "Explain this error" AI CTA to error surfaces in Rill Developer
  • Restricted get_canvas AI tool to Rill user agents
  • Let any user access anonymous AI messages if they have the ID
  • Fixed AI conversation access errors being hidden
  • Enabled AI chat on connector data preview pages
  • Added AI get-started docs

Connectors​

  • Added BigQuery live connector
  • Added DuckLake live connector
  • Added improved file upload component
  • Fixed MotherDuck schema detection
  • Always include connector in generated metrics view YAML, and output in models

Rill Developer​

  • Polished rill login with better hints and interactive handling
  • Simplified existing project check in rill init
  • Final passes at Snowflake and preview mode fixes
  • Fixed navigation issues in --preview mode back to /dashboards
  • Fixed rill viewing-as chip
  • Allowed add data, metrics view, and connector modals to scroll
  • Fixed go-git wiping out git-ignored files
  • Install scripts now served from the root of the GCS bucket
  • Fixed install script failing when piped in a shell

Cloud​

  • Added ProjectStorage API with per-connector size estimation
  • Fixed JWT subject when issuing tokens via the for field
  • Fixed web-admin failures due to CSS application changes
  • Added CSP support via SvelteKit
  • Fixed CSP error for Pylon chat widget inline script
  • Fixed public URL listing Svelte 5 error

Embedding​

  • Fixed encoding/decoding issues with embed APIs