diff --git a/.github/workflows/build-ci.yml b/.github/workflows/build-ci.yml
index 5299cac4c1a..c2ccf62299c 100644
--- a/.github/workflows/build-ci.yml
+++ b/.github/workflows/build-ci.yml
@@ -28,6 +28,7 @@ env:
     libassimp-dev
     libsdl2-dev
     libsdl2-image-dev
+    ninja-build
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
@@ -100,7 +101,7 @@ jobs:
     - name: Setup CMake
       run: |
         cp scripts/CMakeBuildPresetsCI.json CMakeUserPresets.json
-        cmake --preset linux-x64-release
+        cmake -G Ninja --preset linux-x64-release
 
     - name: Build GCC
       run: cmake --build ./build --target all
@@ -134,7 +135,7 @@ jobs:
     - name: Setup CMake
       run: |
         cp scripts/CMakeBuildPresetsCI.json CMakeUserPresets.json
-        cmake --preset linux-x64-release-avx
+        cmake -G Ninja --preset linux-x64-release-avx
 
     - name: Build GCC
       run: cmake --build ./build --target all
@@ -171,7 +172,7 @@ jobs:
       run: |
         cp scripts/CMakeBuildPresetsCI.json CMakeUserPresets.json
         export CC=clang CXX=clang++
-        cmake --preset linux-x64-release
+        cmake -G Ninja --preset linux-x64-release
 
     - name: Build Clang
       run: cmake --build ./build --target all
diff --git a/.github/workflows/clang-format.yml b/.github/workflows/clang-format.yml
index 80486373e22..161af380158 100644
--- a/.github/workflows/clang-format.yml
+++ b/.github/workflows/clang-format.yml
@@ -19,8 +19,7 @@ jobs:
   clang-format-check:
     timeout-minutes: 5
 
-    # Ubuntu 18.04 at the time of writing includes clang-format-9 as default
-    runs-on: [ubuntu-20.04]
+    runs-on: ubuntu-latest
 
     # We want to check all changed files between the pull-request base and the head of the pull request
     env:
diff --git a/CMakePresets.json b/CMakePresets.json
index 812ad8d5608..6663a2b1301 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -1,5 +1,5 @@
 {
-	"version": 2,
+	"version": 3,
 	"configurePresets": [
 		{
 			"name": "x64-Debug",
@@ -73,7 +73,6 @@
 			"displayName": "Linux x64 Debug",
 			"description": "Use system compiler; Profiler=yes",
 			"binaryDir": "${sourceDir}/build/",
-			"generator": "Unix Makefiles",
 			"cacheVariables": {
 				"CMAKE_EXPORT_COMPILE_COMMANDS": true,
 				"CMAKE_INSTALL_PREFIX": "${sourceDir}/out/install/${presetName}",
@@ -93,7 +92,6 @@
 			"displayName": "Linux x64 Profiling",
 			"description": "Use system compiler; Profiler=yes",
 			"binaryDir": "${sourceDir}/build/",
-			"generator": "Unix Makefiles",
 			"cacheVariables": {
 				"CMAKE_EXPORT_COMPILE_COMMANDS": true,
 				"CMAKE_INSTALL_PREFIX": "${sourceDir}/out/install/${presetName}",
@@ -113,7 +111,6 @@
 			"displayName": "Linux x64 Release",
 			"description": "Use system compiler; Profiler=no",
 			"binaryDir": "${sourceDir}/build/",
-			"generator": "Unix Makefiles",
 			"cacheVariables": {
 				"CMAKE_EXPORT_COMPILE_COMMANDS": true,
 				"CMAKE_INSTALL_PREFIX": "${sourceDir}/out/install/${presetName}",
@@ -132,7 +129,6 @@
 			"displayName": "Linux x64 Debug (Clang)",
 			"description": "CC=clang CXX=clang++; Profiler=yes",
 			"binaryDir": "${sourceDir}/build/",
-			"generator": "Unix Makefiles",
 			"cacheVariables": {
 				"CMAKE_EXPORT_COMPILE_COMMANDS": true,
 				"CMAKE_INSTALL_PREFIX": "${sourceDir}/out/install/${presetName}",
@@ -154,7 +150,6 @@
 			"displayName": "Linux x64 Profiling (Clang)",
 			"description": "CC=clang CXX=clang++; Profiler=yes",
 			"binaryDir": "${sourceDir}/build/",
-			"generator": "Unix Makefiles",
 			"cacheVariables": {
 				"CMAKE_EXPORT_COMPILE_COMMANDS": true,
 				"CMAKE_INSTALL_PREFIX": "${sourceDir}/out/install/${presetName}",
@@ -176,7 +171,6 @@
 			"displayName": "Linux x64 Release (Clang)",
 			"description": "CC=clang CXX=clang++; Profiler=no",
 			"binaryDir": "${sourceDir}/build/",
-			"generator": "Unix Makefiles",
 			"cacheVariables": {
 				"CMAKE_EXPORT_COMPILE_COMMANDS": true,
 				"CMAKE_INSTALL_PREFIX": "${sourceDir}/out/install/${presetName}",
diff --git a/src/editor/ModelViewerWidget.cpp b/src/editor/ModelViewerWidget.cpp
index a1753715c1e..bc70a4404df 100644
--- a/src/editor/ModelViewerWidget.cpp
+++ b/src/editor/ModelViewerWidget.cpp
@@ -484,7 +484,7 @@ void ModelViewerWidget::OnRender(Graphics::Renderer *r)
 	}
 
 	// Render any extra effects
-	PostRender();
+	m_extPostRender();
 
 	// helper rendering
 	if (m_options.showLandingPad) {
diff --git a/src/editor/ModelViewerWidget.h b/src/editor/ModelViewerWidget.h
index c3b6de20b90..c2d756dbcb1 100644
--- a/src/editor/ModelViewerWidget.h
+++ b/src/editor/ModelViewerWidget.h
@@ -89,6 +89,8 @@ namespace Editor
 
 		const matrix4x4f &GetModelViewMat() const { return m_modelViewMat; }
 
+		// Extend to render in-world using Graphics::Renderer
+		UIDelegate &GetUIExtPostRender() { return m_extPostRender; }
 		// Extend to render on top of the viewport surface using ImDrawList
 		UIDelegate &GetUIExtOverlay() { return m_extOverlay; }
 		// Extend to add additional viewport menu buttons
@@ -105,8 +107,7 @@ namespace Editor
 
 		bool OnCloseRequested() override { return true; };
 
-		virtual void PostRender() {};
-
+		UIDelegate m_extPostRender;
 		UIDelegate m_extOverlay;
 		UIDelegate m_extMenus;
 		UIDelegate m_extViewportControls;