diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..62bd2c9
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,36 @@
+# Language detection configuration
+# Mark NSIS toolchain files as vendored to exclude from language stats
+
+# NSIS toolchain directories - mark as vendored
+installer/NSIS/** linguist-vendored
+
+# Other installer-related vendored files
+installer/7z.dll linguist-vendored
+installer/7z.exe linguist-vendored
+installer/NSIS.chm linguist-vendored
+
+# Documentation files
+*.md linguist-documentation
+*.doc linguist-documentation
+*.chm linguist-documentation
+*.txt linguist-documentation
+
+# Resource files - exclude from language stats
+*.png linguist-vendored
+*.bmp linguist-vendored
+*.ico linguist-vendored
+*.xml linguist-vendored
+*.rtf linguist-vendored
+
+# Ensure C++ code is properly detected
+src/**/*.cpp linguist-language=C++
+src/**/*.h linguist-language=C++
+
+# Ensure CMake files are properly detected
+*.cmake linguist-language=CMake
+CMakeLists.txt linguist-language=CMake
+
+# Keep project's own NSIS scripts
+installer/SetupScripts/nim/nim_setup.nsi linguist-language=NSIS
+installer/SetupScripts/commonfunc.nsh linguist-language=NSIS
+installer/SetupScripts/nim/ui_nim_setup.nsh linguist-language=NSIS
diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index 22bcb3e..4594ecf 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -111,9 +111,18 @@ jobs:
         # Get current date for versioning
         $date = Get-Date -Format "yyyyMMdd"
         $time = Get-Date -Format "HHmm"
-        $version = "1.0.0"
         $datetime = "${date}_${time}"
         
+        # Get version from git tag or use default
+        $gitTag = git describe --tags --exact-match HEAD 2>$null
+        if ($gitTag -and $gitTag -match '^v?(.+)$') {
+          $version = $matches[1]
+          Write-Host "Using version from git tag: $version"
+        } else {
+          $version = "1.0.0"
+          Write-Host "No git tag found, using default version: $version"
+        }
+        
         # Create package directory
         New-Item -ItemType Directory -Path "release" -Force