Change:
<del> { lib, stdenv, makeWrapper, fetchzip, fetchFromGitHub, pkg-config , alsa-lib, curl, glew, glfw, gtk2-x11, jansson, libjack2, libXext, libXi , libzip, rtaudio, rtmidi, speex, libsamplerate }: </del> <ins> { alsa-lib , copyDesktopItems , curl , fetchFromBitbucket , fetchFromGitHub , fetchzip , ghc_filesystem , glew , glfw , gnome , gtk3-x11 , imagemagick , jansson , jq , lib , libarchive , libicns , libjack2 , libpulseaudio , libsamplerate , libXext , libXi , makeDesktopItem , makeWrapper , pkg-config , rtaudio , rtmidi , speex , stdenv , wrapGAppsHook , zstd }: </ins> let # The package repo vendors some of the package dependencies as submodules. <del> # Others are downloaded with `make deps`. Due to previous issues with the # `glfw` submodule (see above) and because we can not access the network when # building in a sandbox, we fetch the dependency source manually. pfft-source = fetchzip { url = "https://vcvrack.com/downloads/dep/pffft.zip"; sha256 = "084csgqa6f1a270bhybjayrh3mpyi2jimc87qkdgsqcp8ycsx1l1"; </del> <ins> # Unfortunately, they are not pinned, so we have no guarantee that they # will be stable, and therefore, we can't use them directly. Instead # we'll have to fetch them separately ourselves. pffft-source = fetchFromBitbucket { owner = "jpommier"; repo = "pffft"; rev = "988259a41d1522047a9420e6265a6ba8289c1654"; sha256 = "Oq5N02UNXsbhcPUfjMtD0cgqAZsGx9ke9A+ArrenzGE="; }; fuzzysearchdatabase-source = fetchFromBitbucket { owner = "j_norberg"; repo = "fuzzysearchdatabase"; rev = "fe62479811e503ef3c091f5a859d27bfcf0a44da"; sha256 = "zgeUzuuInHPeveBIjlivRGIz+NSb7cW/9hMndxm6qOA="; </ins> }; nanovg-source = fetchFromGitHub { <del> owner = "memononen"; </del> <ins> owner = "VCVRack"; </ins> repo = "nanovg"; <del> rev = "1f9c8864fc556a1be4d4bf1d6bfe20cde25734b4"; sha256 = "08r15zrr6p1kxigxzxrg5rgya7wwbdx7d078r362qbkmws83wk27"; </del> <ins> rev = "0bebdb314aff9cfa28fde4744bcb037a2b3fd756"; sha256 = "HmQhCE/zIKc3f+Zld229s5i5MWzRrBMF9gYrn8JVQzg="; </ins> }; nanosvg-source = fetchFromGitHub { owner = "memononen"; repo = "nanosvg"; <del> rev = "25241c5a8f8451d41ab1b02ab2d865b01600d949"; sha256 = "114qgfmazsdl53rm4pgqif3gv8msdmfwi91lyc2jfadgzfd83xkg"; </del> <ins> rev = "ccdb1995134d340a93fb20e3a3d323ccb3838dd0"; sha256 = "ymziU0NgGqxPOKHwGm0QyEdK/8jL/QYk5UdIQ3Tn8jw="; </ins> }; osdialog-source = fetchFromGitHub { owner = "AndrewBelt"; repo = "osdialog"; <del> rev = "e5db5de6444f4b2c4e1390c67b3efd718080c3da"; sha256 = "0iqxn1md053nl19hbjk8rqsdcmjwa5l5z0ci4fara77q43rc323i"; </del> <ins> rev = "21b9dcc2a1bbdacb9b46da477ffd82a4ce9204b9"; sha256 = "+4VCBuQvfiuEUdjFu3IB2FwbHFrDJXTb4vcVg6ZFwSM="; </ins> }; oui-blendish-source = fetchFromGitHub { owner = "AndrewBelt"; repo = "oui-blendish"; <del> rev = "79ec59e6bc7201017fc13a20c6e33380adca1660"; sha256 = "17kd0lh2x3x12bxkyhq6z8sg6vxln8m9qirf0basvcsmylr6rb64"; </del> <ins> rev = "2fc6405883f8451944ed080547d073c8f9f31898"; sha256 = "/QZFZuI5kSsEvSfMJlcqB1HiZ9Vcf3vqLqWIMEgxQK8="; }; fundamental-source = fetchFromGitHub { owner = "VCVRack"; repo = "Fundamental"; rev = "533397cdcad5c6401ebd3937d6c1663de2473627"; # tip of branch v2 sha256 = "QnwOgrYxiCa/7t/u6F63Ks8C9E8k6T+hia4JZFhp1LI="; </ins> }; in <del> with lib; stdenv.mkDerivation rec { </del> <ins> stdenv.mkDerivation rec { </ins> pname = "VCV-Rack"; <del> version = "1.1.6"; </del> <ins> version = "2.0.6"; desktopItems = [ (makeDesktopItem { type = "Application"; name = pname; desktopName = "VCV Rack"; genericName = "Eurorack simulator"; comment = "Create music by patching together virtual synthesizer modules"; exec = "Rack"; icon = "Rack"; categories = [ "AudioVideo" "AudioVideoEditing" "Audio" ]; keywords = [ "music" ]; }) ]; </ins> src = fetchFromGitHub { owner = "VCVRack"; repo = "Rack"; rev = "v${version}"; <del> sha256 = "0ji64prr74qzxf5bx1sw022kbslx9nzll16lmk5in78hbl137b3i"; </del> <ins> sha256 = "vvGx8tnE7gMiboVUTywIzBB1q/IfiJ8TPnSHvmfHUQg="; </ins> }; patches = [

Discussion:
Project description The 2.0 series of VCVRack has been released. I tried to simply update the git revision, but it seems some details of the build process has changed. Pinging Metadata homepage URL: source URL: license: GPL3 platforms: unix, linux, darwin
Looks like it was updated to a later 2.0.x release in: