dbt 0.21.0b2

A second beta release for v0.21.0.

Features

• Capture changes to macros in state:modified. Introduce new state: sub-selectors: modified.body, modified.configs, modified.persisted_descriptions, modified.relation, modified.macros (#2704, #3278, #3559)
• Enable setting configs in schema files for models, seeds, snapshots, analyses, tests (#2401, #3616)

Fixes

• Fix for RPC requests that raise a RecursionError when serializing Undefined values as JSON (#3464, #3687)
• Avoid caching schemas for tests when store_failures is not enabled (#3715, #3716)

Under the hood

• Add build RPC method, and a subset of flags for build task (#3595, #3674)
• Get more information on partial parsing version mismatches (#3757, #3758)