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Default to DATA_SECURITY_MODE_AUTO in bundle templates - #5452
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Set the default data_security_mode for job clusters in the built-in bundle templates (default and dbt-sql) to DATA_SECURITY_MODE_AUTO, so new projects get an access mode that is selected automatically. Co-authored-by: Isaac
Co-authored-by: Isaac
Co-authored-by: Isaac
Co-authored-by: Isaac
eng-dev-ecosystem-bot
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Jun 5, 2026
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Commit: 251bf31 Ignoring .gh-logs/27017311628/update-check-action/action.yml: cannot extract env
22 interesting tests: 15 SKIP, 7 RECOVERED
Top 26 slowest tests (at least 2 minutes):
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## Release v1.3.0 ### Notable Changes * The `direct` deployment engine is now Generally Available and the default for new deployments. To opt out, set `engine: terraform` under `bundle` in your `databricks.yml` or set `DATABRICKS_BUNDLE_ENGINE=terraform`. Existing deployments keep their current engine; see https://docs.databricks.com/aws/en/dev-tools/bundles/direct to migrate. ### CLI * Added the `databricks quickstart` command, a short introduction to the CLI that prints a human-friendly guide interactively and an agent-oriented version when run non-interactively ([#5464](#5464)). * Add `databricks version --check` to report whether a newer CLI version is available and print the upgrade command for the detected install method ([#5469](#5469)). * `databricks auth describe` now verifies credentials against both the workspace and account endpoints before reporting a failure, fixing false "Unable to authenticate" errors for account console profiles ([#5479](#5479)). * `databricks auth login` no longer prompts for workspace selection when logging in to an account console host (`https://accounts.*`). Pass `--workspace-id` explicitly to store a workspace ID on such a profile ([#5504](#5504)). * `databricks auth profiles --skip-validate` no longer makes any network calls; the host metadata fetch is skipped along with validation ([#5530](#5530)). ### Bundles * Set the default `data_security_mode` to `DATA_SECURITY_MODE_AUTO` in bundle templates ([#5452](#5452)). * Mark vector search index index_subtype as backend_default to prevent drift after deployment ([#5454](#5454)). * `bundle deployment migrate`: handle resources added to or removed from `databricks.yml` since the last Terraform deploy ([#5463](#5463)). * Add the `genie_spaces` bundle resource for managing Databricks Genie spaces as code, plus `bundle generate genie-space` to import an existing space. Direct deployment engine only ([#5282](#5282)). * Fix spurious recreate of schemas and volumes whose names use mixed case ([#5531](#5531)).
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#5452 shipped and was moved to CHANGELOG.md upstream; it was carried over here through the changelog merge conflicts. Co-authored-by: Isaac
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Changes
The default
data_security_modefor job clusters created by the bundle templates is nowDATA_SECURITY_MODE_AUTO. With Auto, the access mode is selected automatically: Standard by default, and Dedicated when the cluster configuration requires it (for example ML Runtime, GPUs, R, Databricks Container Services, or global init scripts). See Access modes.Why
Auto selects an access mode that works across the broadest set of configurations without the user having to pick one. The job definition stores and returns
autoverbatim; the access mode is resolved per run when the job cluster launches, and that resolved value is never written back to the job — so bundles see no drift.Tests
DATA_SECURITY_MODE_AUTOwith no drift, and that Auto resolves to a concrete access mode at cluster launch.This pull request and its description were written by Isaac.