Which native vsts glitch for you? I found the linux vst support in renoise very good, at least for the free/open plugins I’ve tried so far, plugins that glitched in renoise did so in other hosts, too, so I doubt it be errors on the renoise side of the game.
For trying out windows vsts I use “airwave”, I think it should be more feature complete and performant than the very old dssi-vst? Many windows vsts will glitch or freeze wine for me, though. To run windows software, even vsts, you need to qasi-simulate a whole windows system, this is what wine tries to. For linux people it is no secret, that not every software will work, some will glitch, some will perform very bad, some will crash/freeze wine, and some just won’t run at all. Same for vsts for me. Well, I have to say…plugins that glitch/freeze via airwave will also do so with the same symptoms if I try to load them for example in reaper running via wine.
I doubt any small to medium software project would even think about using wine “officially supported”. GPL prevents use as integral part of closed source programs, btw. Wine is a seriously big and whacky project. Bitwig also doesn’t officially support loading via wine I think?
I find the Linux VST game slowly changing, though, with for the most point Bitwig and a bit of Renoise supporting native VST plugins from the commercial side, and Ardour as biggest open source thing also supporting it. I see a a constant raise in the number of commercial and freeware plugins available for linux.
LV2 sounds like some cool stuff, but also like a moving target. The diaspora is there because…for commercial developers LV2 is a strange moving target in constant change and development, offers no commercial plugins and would rely on implementing lots of stuff yourself (aka do groundwork) so as to support the most plugins but also not violate opensource licenses, while the opensource scene will prefer lv2 over vst, simply because the official vst headers have a fucked up non-opensource-friendly license.