Arch Linux User Repository

Got it working and updated (although it won't rebuild without a clean inbetween):

diff --git a/PKGBUILD b/PKGBUILD
index e71a666..96d2fb4 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,16 +1,16 @@
 # Maintainer: Miroslav Koškár <http://mkoskar.com/>

-_rackver=0.6.0
+_rackver=2.2.3
 _plugname='AudibleInstruments'

 pkgname='vcvrack-audible-instruments'
-pkgver=0.6.0
+pkgver=1.4.0
 pkgrel=1
 pkgdesc="Mutable Instruments' VCV modules"
 url='https://github.com/VCVRack/AudibleInstruments'
 license=(BSD)
 arch=(i686 x86_64)
-depends=('vcvrack>=0.6')
+depends=('vcvrack>=2.2.3')
 makedepends=(git zip)
 install="$pkgname.install"

@@ -50,7 +50,7 @@ prepare() {
     git config submodule.ext/nanovg.url "$srcdir/nanovg"
     git config submodule.ext/osdialog.url "$srcdir/osdialog"
     git config submodule.ext/oui-blendish.url "$srcdir/oui-blendish"
-    git submodule update
+    git -c protocol.file.allow=always submodule update

     cd plugins
     git clone "$srcdir/vcvrack-$_plugname" "$_plugname"
@@ -58,7 +58,7 @@ prepare() {
     cd AudibleInstruments
     git submodule init
     git config submodule.eurorack.url "$srcdir/AndrewBelt-eurorack"
-    git submodule update
+    git -c protocol.file.allow=always submodule update

     cd eurorack
     git submodule init
@@ -67,7 +67,7 @@ prepare() {
     git config submodule.avrilx.url "$srcdir/avrilx"
     git config submodule.stm-audio-bootloader.url "$srcdir/stm-audio-bootloader"
     git config submodule.stmlib.url "$srcdir/stmlib"
-    git submodule update
+    git -c protocol.file.allow=always submodule update
 }

 build() {
@@ -77,6 +77,6 @@ build() {

 package() {
     cd "vcvrack/plugins/$_plugname"
-    install -D -m644 "dist/$_plugname-$pkgver-lin.zip" \
-        "$pkgdir/opt/vcvrack/$_plugname.zip"
+    install -D -m644 "dist/$_plugname-$pkgver-lin-x64.vcvplugin" \
+        "$pkgdir/opt/vcvrack/$_plugname.vcvplugin"
 }

I'm getting multiple: fatal: transport 'file' not allowed