v0.4.0

• Added exception handling for secret scope not found. (#418).
• Added a crawler for creating an inventory of Azure Service Principals (#326).
• Added check if account group already exists during failure recovery (#446).
• Added checking for index out of range. (#429).
• Added hyperlink to UCX releases in the main readme (#408).
• Added integration test to check backup groups get deleted (#387).
• Added logging of errors during threadpool operations. (#376).
• Added recovery mode for workspace-local groups from temporary groups (#435).
• Added support for migrating Legacy Table ACLs from workspace-local to account-level groups (#412).
• Added detection for installations of unreleased versions (#399).
• Decoupled PermissionsManager from GroupMigrationToolkit (#407).
• Enabled debug logging for every job task run through a file, which is accessible from both workspace UI and Databricks CLI (#426).
• Ensured that table exists, even when crawlers produce zero records (#373).
• Extended test suite for HMS->HMS TACL migration (#439).
• Fixed handling of secret scope responses (#431).
• Fixed crawl_permissions task to respect 'workspace_start_path' config (#444).
• Fixed broken logic in parallel module and applied hardened error handling design for parallel code (#405).
• Fixed codecov.io reporting (#403).
• Fixed integration tests for crawlers (#379).
• Improved README.py and logging messages (#433).
• Improved cleanup for workspace backup groups by adding more retries on errors (#375).
• Improved dashboard queries to show unsupported storage types. (#398).
• Improved documentation for readme notebook (#257).
• Improved test coverage for installer (#371).
• Introduced deterministic env_or_skip fixture for integration tests (#396).
• Made HMS & UC fixtures return CatalogInfo, SchemaInfo, and TableInfo (#409).
• Merge workspace_access.Crawler and workspace_access.Applier interfaces to workspace_access.AclSupport (#436).
• Moved examples to docs (#404).
• Properly isolated integration testing for workflows on an existing shared cluster (#414).
• Removed thread pool for any IAM Group removals and additions (#394).
• Replace plus char with minus in version tag for GCP dev installation of UCX (#420).
• Run integration tests on shared clusters for a faster devloop (#397).
• Show difference between serverless and PRO warehouses during installation (#385).
• Split migrate-groups workflow into three different stages for reliability (#442).
• Use groups instead of usernames in code owners file (#389).