- Qt 5.15
- New Classes and Functions in Qt 5.8
- Qt 5.15.19 Reference Documentation

# New Classes and Functions in Qt 5.8

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.8. Links to new APIs in previous Qt 5 releases are found at the bottom of this page.

- New Namespaces
- New Classes
- New Enum Types
- New Type Aliases
- New QML Types
- New QML Signals
- New QML Methods

### New Namespaces

namespace | QScxmlExecutableContent

### New Classes

A
  AssignmentInfo (QScxmlExecutableContent)

E
  EvaluatorInfo (QScxmlExecutableContent)

F
  ForeachInfo (QScxmlExecutableContent)

I
  InvokeInfo (QScxmlExecutableContent)

M
  QModbusDeviceIdentification
  QModbusExceptionResponse
  QModbusRequest
  QModbusResponse

P
  ParameterInfo (QScxmlExecutableContent)

### New Enum Types

enum | VolumeScale { LinearVolumeScale, CubicVolumeScale, LogarithmicVolumeScale, DecibelVolumeScale }

### New Type Aliases

typedef | QModbusDataUnitMap
typedef | ContainerId
typedef | EvaluatorId
typedef | InstructionId
typedef | StringId

### New QML Types

A
  AxisAccumulator

R
  RenderCapture
  RenderCaptureReply

### New QML Signals

| binaryMessageReceived(QString message)

### New QML Methods

real | convertVolume(real volume, VolumeScale from, VolumeScale to)
void | sendBinaryMessage(ArrayBuffer message)

## Additions to Other Qt 5 Releases

- What's New in Qt 5.7
- What's New in Qt 5.6
- What's New in Qt 5.5
- What's New in Qt 5.4
- What's New in Qt 5.3
- What's New in Qt 5.2
- What's New in Qt 5.1
- What's New in Qt 5.0