Steinberg updates VST Audio Plug-ins SDK to v3.6.9

2nd March 2018

Steinberg has updated the VST Audio Plug-ins SDK to v3.6.9.

Changes:

Reorganization of cmake files.
VSTGUI 4.6:
- Updated to VSTGUI 4.6.
- Includes a new UI element: KeyboardView supporting Note expression.
Interfaces Changes:
- Renamed some defines:
  - PLATFORM_64 => SMTG_PLATFORM_64.
  - WINDOWS => SMTG_OS_WINDOWS.
  - MAC => SMTG_OS_MACOS.
  - LINUX => SMTG_OS_LINUX.
- Extract Speaker Arrangement from vsttypes.h to vstspeaker.h.
- New kNoParamId constant for uninitialized parameter id.
Samples:
- Fix Validator State test.
- NoteExpressionSynth uses the new KeyboardView.
- New HelloWorld VST3 Plug-ins (template): How to add/create your own VST 3 Plug-ins.
Plug-in Wrappers:
- VST 3 - AudioUnit Wrapper: fix and adaptation for newer XCode versions.
- Audio Unit v3 (AUv3) wrapper (VST 3 - Audio Unit v3 Wrapper): some fixes, add cmake.
- AAX wrapper (VST 3 - AAX Wrapper): add bypass and VU parameter support.
- interappaudio: improvements, fixes, add cmake.
Helpers Classes:
- New Ring Buffer class (ringbuffer.h).