TensorFlow Metadata 1.6.0

Major Features and Improvements

• N/A

Bug Fixes and Other Changes

• statistics.proto: Includes a field invalid_utf8_count in StringStatistics
  to store the number of non-utf8 encoded strings for a feature.
• Depends on absl-py>=0.9,<2.0.0.

Breaking Changes

• Removes deprecated field objective_function from ProblemStatement.

Deprecations

• Deprecates multi_objective field in ProblemStatement.
• Deprecates several unused PerformanceMetrics.