diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 0000000..8c5e6d3
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,15 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: grinch_
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
+polar: # Replace with a single Polar username
+buy_me_a_coffee: # Replace with a single Buy Me a Coffee username
+thanks_dev: # Replace with a single thanks.dev username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ee2e8ba..d90b589 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,13 +15,12 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@v6
-      with:
-        submodules: recursive
 
     - name: Setup xmake
       uses: xmake-io/github-action-setup-xmake@v1
       with:
         xmake-version: latest
+        actions-cache-folder: .xmake-cache
 
     - name: Install dependencies
       run: |
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100755
index 0ff3c7c..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,12 +0,0 @@
-[submodule "coreutils"]
-	path = include/coreutils
-	url = https://github.com/user-grinch/coreutils
-[submodule "imgui"]
-	path = include/imgui
-	url = https://github.com/ocornut/imgui
-[submodule "include/json"]
-	path = include/json
-	url = https://github.com/nlohmann/json
-[submodule "include/spdlog"]
-	path = include/spdlog
-	url = https://github.com/gabime/spdlog
diff --git a/resource/dist/ModelExtras/audio/weapon/earshot files go here b/resource/dist/ModelExtras/audio/weapon/earshot files go here
deleted file mode 100755
index e69de29..0000000