v0.12.1 - 2021-10-12

This release fixes bugs in constraints, metadata behavior, and SDV documentation. Specifically, we added
proper handling of data containing null values for constraints and timeseries data, and updated the
default metadata detection behavior.

Bugs Fixed

• ValueError: The parameter loc has invalid values - Issue #353 by @fealho
• Gaussian Copula is generating different data with metadata and without metadata - Issue #576 by @katxiao
• Make pomegranate an optional dependency - Issue #567 by @katxiao
• Small wording change for Question Issue Template - Issue #571 by @katxiao
• ConstraintsNotMetError when using GreaterThan constraint with datetime - Issue #590 by @katxiao
• GreaterThan constraint crashing with NaN values - Issue #592 by @katxiao
• Null values in GreaterThan constraint raises error - Issue #589 by @katxiao
• ColumnFormula raises ConstraintsNotMetError when checking NaN values - Issue #593 by @katxiao
• GreaterThan constraint raises TypeError when using datetime - Issue #596 by @katxiao
• Fix repository language - Issue #464 by @fealho
• Update init.py - Issue #578 by @dyuliu
• IndexingError: Unalignable boolean - Issue #446 by @fealho