0.21.0 • $group and string aggregation operators

DSL

• Projections are now represented with booleans instead of integers, for smaller request payloads (#81, !121)

Aggregation stages:

• Added $group (!120)

Accumulation operators:

• Added $sum (!120)

Aggregation operators:

• Added $multiply, $divide and $subtract (!122)
• Added $trim, $ltrim and $rtrim (!123)
• Added $toLower and $toUpper (!123)
• Added $substrCP, $substrBytes, $strLenCP and $strLenBytes (!123)
• Added $split (!123)
• Added $replaceOne and $replaceAll (!123)

Dependencies

• KotlinX.Serialization 1.9.0
• KotlinX.Coroutines 1.10.2
• KotlinX.IO 0.8.0
• MongoDB Java driver 5.5.1

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