New feature

• Optional support for Markdown in descriptions

@rjsf/bootstrap-4

• Updated FieldTemplate Component to display description from SchemaField and make it consistent for all the available themes

@rjsf/chakra-ui

• Updated FieldTemplate Component to display description from SchemaField and make it consistent for all the available themes

@rjsf/core

• Updated SchemaField to be able to render markdown in the description field
• Updated MultiSchemaField.getMatchingOption to use option index from getClosestMatchingOption, fixing #3693 and
  #3705

@rjsf/fluent-ui

• Updated FieldTemplate Component to display description from SchemaField and make it consistent for all the available themes

@rjsf/material-ui

• Updated FieldTemplate Component to display description from SchemaField and make it consistent for all the available themes

@rjsf/mui

• Updated FieldTemplate Component to display description from SchemaField and make it consistent for all the available themes

@rjsf/semantic-ui

• Updated FieldTemplate Component to display description from SchemaField and make it consistent for all the available themes

@rjsf/utils

• Updated getClosestMatchingOption to return selected option if all options score the same, fixing #3693 and #3705
• Updated resolveCondition to default formData as empty object when evaluating if expression, fixing #3706
• Updated retrieveSchemaInternal to return failed merged allOf sub schemas for expandAllBranches flag, fixing #3689
• Updated hashForSchema to sort schema fields in consistent order before stringify to prevent different hash ids for the same schema
• Updated enumOptionsSelectValue to allow picking falsy enumOptions, fixing #3716

@rjsf/validator-ajv8

• Updated AJV8PrecompiledValidator.rawValidation() to use resolve root schema when comparing input schema, fixing #3708

Dev / docs / playground

• Updated sample data and documentation about the markdown in RJSFSchema description
• Fixed broken playground examples (#3696)
• Added experimental_defaultFormStateBehavior.emptyObjectFields control to Playground
• Fixed bug where subthemes would not appear in Playground