diff --git a/.gitignore b/.gitignore
index 94017b1b..45d41876 100644
--- a/.gitignore
+++ b/.gitignore
@@ -91,4 +91,6 @@ dependencies/windows/cache
 # Local development setup
 compile_commands.json
 
-tests/unit_tests/dependencies
\ No newline at end of file
+# running tests results in this
+tests/unit_tests/dependencies
+tests/unit_tests/default.profraw
diff --git a/.rive_head b/.rive_head
index dd1b41eb..c3d30c24 100644
--- a/.rive_head
+++ b/.rive_head
@@ -1 +1 @@
-f359c918e0135e8c432f7ba3068fff7dbba0ac07
+9d8a7e81fa467fc85614952f4566af060e1d43f7
diff --git a/dev/defs/animation/linear_animation.json b/dev/defs/animation/linear_animation.json
index 068f5b55..2205cc08 100644
--- a/dev/defs/animation/linear_animation.json
+++ b/dev/defs/animation/linear_animation.json
@@ -4,7 +4,7 @@
     "int": 31,
     "string": "linearanimation"
   },
-  "extends": "animation/animation.json",
+  "extends": "animation/linear_animation_resolver.json",
   "properties": {
     "fps": {
       "type": "uint",
diff --git a/dev/defs/animation/linear_animation_resolver.json b/dev/defs/animation/linear_animation_resolver.json
new file mode 100644
index 00000000..9681b681
--- /dev/null
+++ b/dev/defs/animation/linear_animation_resolver.json
@@ -0,0 +1,10 @@
+{
+  "name": "LinearAnimationResolver",
+  "key": {
+    "int": 550,
+    "string": "linearanimationresolver"
+  },
+  "abstract": true,
+  "runtime": false, 
+  "extends": "animation/animation.json"
+}
\ No newline at end of file
diff --git a/dev/defs/animation/nested_linear_animation.json b/dev/defs/animation/nested_linear_animation.json
index 23846e45..da468405 100644
--- a/dev/defs/animation/nested_linear_animation.json
+++ b/dev/defs/animation/nested_linear_animation.json
@@ -6,7 +6,6 @@
   },
   "abstract": true,
   "extends": "nested_animation.json",
-  "generic": "animation/linear_animation.json",
   "properties": {
     "mix": {
       "type": "double",
diff --git a/dev/defs/animation/nested_state_machine.json b/dev/defs/animation/nested_state_machine.json
index 19825150..6597f7ab 100644
--- a/dev/defs/animation/nested_state_machine.json
+++ b/dev/defs/animation/nested_state_machine.json
@@ -5,5 +5,5 @@
     "string": "nestedStateMachine"
   },
   "extends": "nested_animation.json",
-  "generic": "animation/state_machine.json"
+  "generic": "animation/state_machine_resolver.json"
 }
\ No newline at end of file
diff --git a/dev/defs/animation/state_machine.json b/dev/defs/animation/state_machine.json
index fa97a25f..6a804772 100644
--- a/dev/defs/animation/state_machine.json
+++ b/dev/defs/animation/state_machine.json
@@ -4,7 +4,7 @@
     "int": 53,
     "string": "statemachine"
   },
-  "extends": "animation/animation.json",
+  "extends": "animation/state_machine_resolver.json",
   "properties": {
     "editingLayerId": {
       "type": "Id",
diff --git a/dev/defs/animation/state_machine_resolver.json b/dev/defs/animation/state_machine_resolver.json
new file mode 100644
index 00000000..51bb72ef
--- /dev/null
+++ b/dev/defs/animation/state_machine_resolver.json
@@ -0,0 +1,10 @@
+{
+  "name": "StateMachineResolver",
+  "key": {
+    "int": 551,
+    "string": "statemachineresolver"
+  },
+  "abstract": true,
+  "runtime": false,
+  "extends": "animation/animation.json"
+}
\ No newline at end of file
diff --git a/include/rive/animation/nested_input.hpp b/include/rive/animation/nested_input.hpp
index fe75467c..a5d5c105 100644
--- a/include/rive/animation/nested_input.hpp
+++ b/include/rive/animation/nested_input.hpp
@@ -29,6 +29,10 @@ public:
         {
             StateMachineInstance* smInstance =
                 parent->as<NestedStateMachine>()->stateMachineInstance();
+            if (smInstance == nullptr)
+            {
+                return nullptr;
+            }
             auto inputInstance = smInstance->input(this->inputId());
             return inputInstance;
         }
diff --git a/src/animation/state_machine_instance.cpp b/src/animation/state_machine_instance.cpp
index aaf4db76..9bc63836 100644
--- a/src/animation/state_machine_instance.cpp
+++ b/src/animation/state_machine_instance.cpp
@@ -1428,17 +1428,21 @@ StateMachineInstance::StateMachineInstance(const StateMachine* machine,
         {
             if (animation->is<NestedStateMachine>())
             {
-                auto notifier =
-                    animation->as<NestedStateMachine>()->stateMachineInstance();
-                notifier->setNestedArtboard(nestedArtboard);
-                notifier->addNestedEventListener(this);
+                if (auto notifier = animation->as<NestedStateMachine>()
+                                        ->stateMachineInstance())
+                {
+                    notifier->setNestedArtboard(nestedArtboard);
+                    notifier->addNestedEventListener(this);
+                }
             }
             else if (animation->is<NestedLinearAnimation>())
             {
-                auto notifier =
-                    animation->as<NestedLinearAnimation>()->animationInstance();
-                notifier->setNestedArtboard(nestedArtboard);
-                notifier->addNestedEventListener(this);
+                if (auto notifier = animation->as<NestedLinearAnimation>()
+                                        ->animationInstance())
+                {
+                    notifier->setNestedArtboard(nestedArtboard);
+                    notifier->addNestedEventListener(this);
+                }
             }
         }
     }
diff --git a/tests/unit_tests/assets/custom_image_name.riv b/tests/unit_tests/assets/custom_image_name.riv
new file mode 100644
index 00000000..3fdf961a
Binary files /dev/null and b/tests/unit_tests/assets/custom_image_name.riv differ
diff --git a/tests/unit_tests/assets/double_library_with_image.riv b/tests/unit_tests/assets/double_library_with_image.riv
new file mode 100644
index 00000000..a084c450
Binary files /dev/null and b/tests/unit_tests/assets/double_library_with_image.riv differ
diff --git a/tests/unit_tests/assets/library.riv b/tests/unit_tests/assets/library.riv
new file mode 100644
index 00000000..a2b38d98
Binary files /dev/null and b/tests/unit_tests/assets/library.riv differ
diff --git a/tests/unit_tests/assets/library_export_animation_test.riv b/tests/unit_tests/assets/library_export_animation_test.riv
new file mode 100644
index 00000000..2ff71147
Binary files /dev/null and b/tests/unit_tests/assets/library_export_animation_test.riv differ
diff --git a/tests/unit_tests/assets/library_export_state_machine_test.riv b/tests/unit_tests/assets/library_export_state_machine_test.riv
new file mode 100644
index 00000000..bc7bcaff
Binary files /dev/null and b/tests/unit_tests/assets/library_export_state_machine_test.riv differ
diff --git a/tests/unit_tests/assets/library_export_test.riv b/tests/unit_tests/assets/library_export_test.riv
new file mode 100644
index 00000000..fbb3effc
Binary files /dev/null and b/tests/unit_tests/assets/library_export_test.riv differ
diff --git a/tests/unit_tests/assets/library_export_with_smi.riv b/tests/unit_tests/assets/library_export_with_smi.riv
new file mode 100644
index 00000000..1f09afe8
Binary files /dev/null and b/tests/unit_tests/assets/library_export_with_smi.riv differ
diff --git a/tests/unit_tests/assets/library_with_image.riv b/tests/unit_tests/assets/library_with_image.riv
new file mode 100644
index 00000000..dbf32c73
Binary files /dev/null and b/tests/unit_tests/assets/library_with_image.riv differ
diff --git a/tests/unit_tests/assets/library_with_text_and_image.riv b/tests/unit_tests/assets/library_with_text_and_image.riv
new file mode 100644
index 00000000..ea4bfd3d
Binary files /dev/null and b/tests/unit_tests/assets/library_with_text_and_image.riv differ
diff --git a/tests/unit_tests/assets/smi_test.riv b/tests/unit_tests/assets/smi_test.riv
new file mode 100644
index 00000000..d2708ea6
Binary files /dev/null and b/tests/unit_tests/assets/smi_test.riv differ
diff --git a/tests/unit_tests/runtime/library_asset_test.cpp b/tests/unit_tests/runtime/library_asset_test.cpp
new file mode 100644
index 00000000..8649f9c0
--- /dev/null
+++ b/tests/unit_tests/runtime/library_asset_test.cpp
@@ -0,0 +1,150 @@
+#include <rive/file.hpp>
+#include <rive/node.hpp>
+#include <rive/nested_artboard.hpp>
+#include <rive/shapes/clipping_shape.hpp>
+#include <rive/shapes/rectangle.hpp>
+#include <rive/assets/image_asset.hpp>
+#include <rive/assets/font_asset.hpp>
+#include <rive/animation/nested_simple_animation.hpp>
+#include <rive/animation/nested_state_machine.hpp>
+#include <rive/relative_local_asset_loader.hpp>
+#include <utils/no_op_factory.hpp>
+#include <utils/no_op_renderer.hpp>
+#include "rive_file_reader.hpp"
+#include <catch.hpp>
+#include <cstdio>
+
+TEST_CASE("File with library artboard loads", "[libraries]")
+{
+    // created by test in rive_core.
+    auto file = ReadRiveFile("assets/library_export_test.riv");
+
+    auto nestedArtboard =
+        file->artboard()->find<rive::NestedArtboard>("The nested artboard");
+    REQUIRE(nestedArtboard != nullptr);
+    REQUIRE(nestedArtboard->name() == "The nested artboard");
+    REQUIRE(nestedArtboard->x() == 1);
+    REQUIRE(nestedArtboard->y() == 2);
+    REQUIRE(nestedArtboard->artboardId() == -1);
+
+    // time to find the library asset somewhere
+    auto assets = file->assets();
+    REQUIRE(assets.size() == 0);
+    // todo assert nested artboard structure
+}
+
+TEST_CASE("File with library animation loads", "[libraries]")
+{
+    // created by test in rive_core.
+    auto file = ReadRiveFile("assets/library_export_animation_test.riv");
+
+    auto nestedArtboard =
+        file->artboard()->find<rive::NestedArtboard>("The nested artboard");
+    REQUIRE(nestedArtboard != nullptr);
+    REQUIRE(nestedArtboard->name() == "The nested artboard");
+    REQUIRE(nestedArtboard->x() == 1);
+    REQUIRE(nestedArtboard->y() == 2);
+    REQUIRE(nestedArtboard->artboardId() == -1);
+
+    auto nestedSimpleAnimation =
+        file->artboard()->find<rive::NestedSimpleAnimation>("");
+    REQUIRE(nestedSimpleAnimation != nullptr);
+    REQUIRE(nestedSimpleAnimation->name() == "");
+    REQUIRE(nestedSimpleAnimation->isPlaying() == true);
+    // // TODO: figure out what the id should be?
+    REQUIRE(nestedSimpleAnimation->animationId() == -1);
+
+    // // time to find the library asset somewhere
+    auto assets = file->assets();
+    REQUIRE(assets.size() == 0);
+
+    REQUIRE(nestedArtboard->nestedAnimations().size() == 1);
+    // todo assert nested artboard has animation structure
+}
+
+TEST_CASE("File with library state machine loads", "[libraries]")
+{
+    // created by test in rive_core.
+    auto file = ReadRiveFile("assets/library_export_state_machine_test.riv");
+
+    auto nestedArtboard =
+        file->artboard()->find<rive::NestedArtboard>("The nested artboard");
+    REQUIRE(nestedArtboard != nullptr);
+    REQUIRE(nestedArtboard->name() == "The nested artboard");
+    REQUIRE(nestedArtboard->x() == 1);
+    REQUIRE(nestedArtboard->y() == 2);
+    REQUIRE(nestedArtboard->artboardId() == -1);
+
+    auto nestedSimpleAnimation =
+        file->artboard()->find<rive::NestedStateMachine>("");
+    REQUIRE(nestedSimpleAnimation != nullptr);
+    REQUIRE(nestedSimpleAnimation->name() == "");
+    REQUIRE(nestedSimpleAnimation->animationId() == -1);
+
+    // time to find the library asset somewhere
+    // make sure its loaded?
+    auto assets = file->assets();
+    REQUIRE(assets.size() == 0);
+
+    REQUIRE(nestedArtboard->nestedAnimations().size() == 1);
+    // todo assert nested artboard has state machine structure
+}
+
+// TODO reinstate, but right now we're missing fonts locally, need to get
+// backend to uat to recreate this test. we are literally just loading files
+// here. TEST_CASE("File with library", "[libraries]")
+// {
+//     TODO: create this file in the editor tests.
+//     auto file = ReadRiveFile("assets/library_with_text_and_image.riv");
+
+//     // library, image and text
+//     auto assets = file->assets();
+//     REQUIRE(assets.size() == 3);
+//     auto libraryAsset = assets[0];
+//     REQUIRE(libraryAsset->is<rive::LibraryAsset>());
+//     REQUIRE(libraryAsset->name() == "library - Version 1");
+
+//     auto fontAsset = assets[1];
+//     REQUIRE(fontAsset->is<rive::FontAsset>());
+//     REQUIRE(fontAsset->name() == "Inter");
+
+//     auto imageAsset = assets[2];
+//     REQUIRE(imageAsset->is<rive::ImageAsset>());
+//     REQUIRE(imageAsset->name() == "tree");
+
+//     // library, image and text
+//     auto libraryAssets =
+//         static_cast<rive::LibraryAsset*>(libraryAsset)->riveFile()->assets();
+//     REQUIRE(libraryAssets.size() == 2);
+
+//     auto librayFontAsset = libraryAssets[0];
+//     REQUIRE(librayFontAsset->is<rive::FontAsset>());
+//     REQUIRE(librayFontAsset->name() == "Inter");
+
+//     auto libraryImageAsset = libraryAssets[1];
+//     REQUIRE(libraryImageAsset->is<rive::ImageAsset>());
+//     REQUIRE(libraryImageAsset->name() == "tree");
+// }
+
+// we are literally just loading files here.
+TEST_CASE("File with library including image", "[libraries]")
+{
+    // TODO: create this file in the editor tests.
+    auto file = ReadRiveFile("assets/library_with_image.riv");
+
+    // library, image and text
+    auto assets = file->assets();
+    REQUIRE(assets.size() == 0);
+    // TODO: asset image
+}
+
+TEST_CASE("File with multiple libraries including image", "[libraries]")
+{
+    // TODO: create this file in the editor tests.
+    auto file = ReadRiveFile("assets/double_library_with_image.riv");
+
+    // library, image and text
+    auto assets = file->assets();
+    REQUIRE(assets.size() == 0);
+    // TODO: asset multiple images
+}
diff --git a/tests/unit_tests/runtime/library_state_machine_input_test.cpp b/tests/unit_tests/runtime/library_state_machine_input_test.cpp
new file mode 100644
index 00000000..33eb7123
--- /dev/null
+++ b/tests/unit_tests/runtime/library_state_machine_input_test.cpp
@@ -0,0 +1,58 @@
+#include <rive/file.hpp>
+#include <rive/node.hpp>
+#include <rive/nested_artboard.hpp>
+#include <rive/shapes/clipping_shape.hpp>
+#include <rive/shapes/rectangle.hpp>
+#include <rive/animation/nested_simple_animation.hpp>
+#include <rive/animation/nested_state_machine.hpp>
+#include <rive/animation/nested_bool.hpp>
+#include <rive/animation/nested_trigger.hpp>
+#include <rive/animation/nested_number.hpp>
+#include <rive/relative_local_asset_loader.hpp>
+#include <utils/no_op_factory.hpp>
+#include <utils/no_op_renderer.hpp>
+#include "rive_file_reader.hpp"
+#include <catch.hpp>
+#include <cstdio>
+
+TEST_CASE("File with library state machine inputs loads", "[state_machine]")
+{
+    // created by test in rive_core.
+    auto file = ReadRiveFile("assets/library_export_with_smi.riv");
+
+    auto nestedArtboard =
+        file->artboard()->find<rive::NestedArtboard>("The nested artboard");
+    REQUIRE(nestedArtboard != nullptr);
+    REQUIRE(nestedArtboard->name() == "The nested artboard");
+    REQUIRE(nestedArtboard->x() == 1);
+    REQUIRE(nestedArtboard->y() == 2);
+    REQUIRE(nestedArtboard->artboardId() == -1);
+
+    auto nestedSimpleAnimation =
+        file->artboard()->find<rive::NestedStateMachine>("");
+    REQUIRE(nestedSimpleAnimation != nullptr);
+    REQUIRE(nestedSimpleAnimation->name() == "");
+    REQUIRE(nestedSimpleAnimation->animationId() == -1);
+
+    auto nestedTrigger = file->artboard()->find<rive::NestedTrigger>("");
+    REQUIRE(nestedTrigger != nullptr);
+    REQUIRE(nestedTrigger->name() == "");
+    REQUIRE(nestedTrigger->inputId() == -1);
+
+    auto nestedBool = file->artboard()->find<rive::NestedBool>("");
+    REQUIRE(nestedBool != nullptr);
+    REQUIRE(nestedBool->name() == "");
+    REQUIRE(nestedBool->inputId() == -1);
+
+    auto nestedNumber = file->artboard()->find<rive::NestedNumber>("");
+    REQUIRE(nestedNumber != nullptr);
+    REQUIRE(nestedNumber->name() == "");
+    REQUIRE(nestedNumber->inputId() == -1);
+
+    // time to find the library asset somewhere
+    // make sure its loaded?
+    auto assets = file->assets();
+    REQUIRE(assets.size() == 0);
+
+    // todo assert state machine input structure holds up!
+}
diff --git a/tests/unit_tests/runtime/state_machine_input_test.cpp b/tests/unit_tests/runtime/state_machine_input_test.cpp
new file mode 100644
index 00000000..8f971fdf
--- /dev/null
+++ b/tests/unit_tests/runtime/state_machine_input_test.cpp
@@ -0,0 +1,51 @@
+#include <rive/file.hpp>
+#include <rive/node.hpp>
+#include <rive/nested_artboard.hpp>
+#include <rive/shapes/clipping_shape.hpp>
+#include <rive/shapes/rectangle.hpp>
+#include <rive/animation/nested_simple_animation.hpp>
+#include <rive/animation/nested_state_machine.hpp>
+#include <rive/animation/nested_bool.hpp>
+#include <rive/animation/nested_trigger.hpp>
+#include <rive/animation/nested_number.hpp>
+#include <rive/relative_local_asset_loader.hpp>
+#include <utils/no_op_factory.hpp>
+#include <utils/no_op_renderer.hpp>
+#include "rive_file_reader.hpp"
+#include <catch.hpp>
+#include <cstdio>
+
+TEST_CASE("File with state machine inputs loads", "[state_machine]")
+{
+    // created by test in rive_core.
+    auto file = ReadRiveFile("assets/smi_test.riv");
+
+    auto nestedArtboard = file->artboard()->find<rive::NestedArtboard>(
+        "artboard to nest component");
+    REQUIRE(nestedArtboard != nullptr);
+    REQUIRE(nestedArtboard->x() == 100);
+    REQUIRE(nestedArtboard->y() == 100);
+    REQUIRE(nestedArtboard->name() == "artboard to nest component");
+    REQUIRE(nestedArtboard->artboardId() == 1);
+
+    auto nestedSimpleAnimation =
+        file->artboard()->find<rive::NestedStateMachine>("");
+    REQUIRE(nestedSimpleAnimation != nullptr);
+    REQUIRE(nestedSimpleAnimation->name() == "");
+    REQUIRE(nestedSimpleAnimation->animationId() == 0);
+
+    auto nestedTrigger = file->artboard()->find<rive::NestedTrigger>("");
+    REQUIRE(nestedTrigger != nullptr);
+    REQUIRE(nestedTrigger->name() == "");
+    REQUIRE(nestedTrigger->inputId() == 0);
+
+    auto nestedBool = file->artboard()->find<rive::NestedBool>("");
+    REQUIRE(nestedBool != nullptr);
+    REQUIRE(nestedBool->name() == "");
+    REQUIRE(nestedBool->inputId() == 1);
+
+    auto nestedNumber = file->artboard()->find<rive::NestedNumber>("");
+    REQUIRE(nestedNumber != nullptr);
+    REQUIRE(nestedNumber->name() == "");
+    REQUIRE(nestedNumber->inputId() == 2);
+}
diff --git a/tests/unit_tests/test.sh b/tests/unit_tests/test.sh
index 87d7b59d..75627d57 100755
--- a/tests/unit_tests/test.sh
+++ b/tests/unit_tests/test.sh
@@ -10,22 +10,36 @@ MINGW*) machine=windows ;;
 esac
 
 CONFIG=debug
-
-for var in "$@"; do
-  if [[ $var = "release" ]]; then
-    CONFIG=release
-  elif [ "$var" = "memory" ]; then
-    echo Will perform memory checks...
-    UTILITY='leaks --atExit --'
-    shift
-  elif [ "$var" = "lldb" ]; then
-    echo Starting debugger...
-    UTILITY='lldb'
-    shift
-  elif [ "$var" = "rebaseline" ]; then
-    export REBASELINE_SILVERS=true
-    shift
-  fi
+MATCH=
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    -m|--match)
+      MATCH="$2"
+      shift # past argument
+      shift # past value
+      ;;
+    lldb)
+      echo Starting debugger...
+      UTILITY='lldb'
+      shift # past argument
+      ;;
+    memory)
+      echo Will perform memory checks...
+      UTILITY='leaks --atExit --'
+      shift
+      ;;
+    release)
+      CONFIG=release
+      shift
+      ;;
+    rebaseline)
+      export REBASELINE_SILVERS=true
+      shift
+      ;;
+    *)
+      shift # past argument
+      ;;
+  esac
 done
 
 if [[ ! -f "dependencies/bin/premake5" ]]; then
@@ -36,6 +50,9 @@ if [[ ! -f "dependencies/bin/premake5" ]]; then
     # once a stable one is avaialble that supports it
     git clone --depth 1 --branch v5.0.0-beta3 https://github.com/premake/premake-core.git
     pushd premake-core
+    git pull --tags
+    git checkout v5.0.0-beta3
+    # note, latest premake is not compatible with our fatal warnings...
     if [[ $LOCAL_ARCH == "arm64" ]]; then
       PREMAKE_MAKE_ARCH=ARM
     else
@@ -89,7 +106,7 @@ if [[ $machine = "macosx" ]]; then
   popd
   rm -fR silvers/tarnished
   mkdir -p silvers/tarnished
-  $UTILITY $OUT_DIR/unit_tests
+  $UTILITY $OUT_DIR/unit_tests "$MATCH"
   for var in "$@"; do
     if [[ $var = "coverage" ]]; then
       xcrun llvm-profdata merge -sparse default.profraw -o default.profdata
diff --git a/viewer/build/premake5_viewer.lua b/viewer/build/premake5_viewer.lua
index b477fbe3..be3b9a21 100644
--- a/viewer/build/premake5_viewer.lua
+++ b/viewer/build/premake5_viewer.lua
@@ -7,8 +7,8 @@ rive_tess = '../../tess'
 rive_skia = '../../skia'
 skia = dependencies .. '/skia'
 
+dofile(rive .. '/decoders/premake5_v2.lua')
 if _OPTIONS.renderer == 'tess' then
-    dofile(rive .. '/decoders/premake5_v2.lua')
     dofile(path.join(path.getabsolute(rive_tess) .. '/build', 'premake5_tess.lua'))
 else
     -- tess renderer includes this
@@ -19,9 +19,7 @@ dofile(path.join(path.getabsolute(rive) .. '/cg_renderer', 'premake5.lua'))
 
 project('rive_viewer')
 do
-    if _OPTIONS.renderer == 'tess' then
-        dependson('rive_decoders')
-    end
+    dependson('rive_decoders')
     kind('ConsoleApp')
 
     defines({ 'WITH_RIVE_TEXT', 'WITH_RIVE_AUDIO', 'WITH_RIVE_LAYOUT', 'YOGA_EXPORT=' })
@@ -29,6 +27,7 @@ do
     includedirs({
         '../include',
         rive .. '/include',
+        rive .. '/decoders/include',
         rive .. '/skia/renderer/include', -- for font backends
         dependencies,
         dependencies .. '/sokol',
@@ -37,7 +36,7 @@ do
         yoga,
     })
 
-    links({ 'rive', 'rive_harfbuzz', 'rive_sheenbidi', 'rive_yoga' })
+    links({ 'rive','rive_decoders', 'rive_harfbuzz', 'rive_sheenbidi', 'rive_yoga' })
 
     libdirs({ rive .. '/build/%{cfg.system}/bin/%{cfg.buildcfg}' })