Developer

VST 3 SDK With this VST Developer Forum we hope that communication between VST Developers will be improve and that it will answer your questions concerning the development of VST 3 Plug-ins and/or VST 3 host. You can find now online the VST 3 portal: https://steinbergmedia.github.io/vst3_dev_portal/pages/index.html ASIO Audio Stream Input/Output (ASIO) is a protocol allowing communication between a software application and a computer’s sound card. This was developed by Steinberg back in the 1997. It provides a low-latency and solves synchronization issues between the different input and output channels. VSTGUI VSTGUI is a user interface toolkit mainly for audio plug-ins (VST, AAX, AudioUnit, etc).

Topic	Replies	Views	Activity
VST 2 SDK discontinued Developer announcement	0	21303	May 17, 2018
No response to Proprietary ASIO SDK License Agreement submission ASIO	1	20	August 13, 2026
VST 3.8.1 SDK Released VST 3 SDK vst3sdk-announcement	0	61	August 11, 2026
NoteExpression Event never called in process VST 3 SDK	5	99	July 31, 2026
Multi Output VST 3 Audio Effect Plug Ins - question VST 3 SDK	0	23	July 29, 2026
VST GUI View Switch Container 'Ghosting' in Ableton VSTGUI	1	32	July 24, 2026
plugView->attach not working correctly VST 3 SDK	12	144	July 1, 2026
Plugin plugin window attach issue VST 3 SDK windows	6	119	June 30, 2026
VSTSDK 3.8.0 editorhost and host-checker examples don't agree on resizing VST 3 SDK	0	31	June 30, 2026
Where do I submit the Proprietary ASIO SDK License Agreement? ASIO	2	112	June 29, 2026
Documentation issue? VST 3 SDK	5	91	May 27, 2026
Subject: Request for ASIO SDK access / licensing information ASIO	1	221	May 23, 2026
Bug Report: ASIO SDK - Hardcoded buffer limits in asiodrivers.cpp prevent loading drivers with names ASIO	0	45	May 20, 2026
Developper feature request: expose the track name of selected track, at each selection change VST 3 SDK	1	49	May 14, 2026
Possible bug in built-in ASIO driver ASIO	0	87	May 13, 2026
Is Cubase sending garbage values in IPlugView::checkSizeConstraint? VST 3 SDK	5	66	May 12, 2026
Integration With Digital Membership Card ASIO	0	37	May 4, 2026
Dorico MIDI Channel Routing with Multitimbral VST Plugin VST 3 SDK	4	69	April 21, 2026
Again Simple.VST3 UI Breaks at 225% Display Scaling in Studio One VST 3 SDK windows , gui	7	118	April 18, 2026
VSTGUI UI Editor Frequently Drops Saved Updates VSTGUI	0	28	April 9, 2026
Reading a sequence file VST 3 SDK	0	31	April 4, 2026
How to properly update parameters in controller with a data exchange? VST 3 SDK	7	75	April 3, 2026
Standalone application in Linux does not show UI VSTGUI	2	213	March 31, 2026
Nuendo ADR API Documentation VST 3 SDK	1	58	March 30, 2026
VST Plug-in Test host will not play VST 3 SDK	1	54	March 19, 2026
Typo in ivstprocesscontext.h? VST 3 SDK	1	60	March 19, 2026
Linux VSTGUI crashing in Reaper after opening and closing UI several times VSTGUI	4	441	March 19, 2026
Initial questions about MIDI 2.0, IMidiMapping2 VST 3 SDK	3	125	March 6, 2026
How can I make process run? VST 3 SDK	2	64	February 27, 2026
Request for Cubase Remote/Control SDK Access for desktop app Integration VST 3 SDK licensing	2	81	February 27, 2026