Add support for MonthDay and YearMonth

Description

Request to add built-in support for java.time.MonthDay and java.time.YearMonth. The storage format and capabilities are still very unsettled.

Grew from discussion on

Environment

None

Status

Assignee

Unassigned

Reporter

Steve Ebersole

Fix versions

Labels

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backPortable

None

Suitable for new contributors

None

Requires Release Note

None

Pull Request

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backportDecision

None

Components

Priority

Major