diff --git a/.timetracker b/.timetracker
index 13eddb6..8551acd 100644
--- a/.timetracker
+++ b/.timetracker
@@ -1,5 +1,5 @@
 {
- "total": 75390,
+ "total": 78654,
  "sessions": [
   {
    "begin": "2026-03-11T23:50:47+01:00",
@@ -75,6 +75,46 @@
    "begin": "2026-03-28T03:48:55+01:00",
    "end": "2026-03-28T04:27:34+01:00",
    "duration": 2319
+  },
+  {
+   "begin": "2026-05-22T17:40:18+02:00",
+   "end": "2026-05-22T18:03:45+02:00",
+   "duration": 1406
+  },
+  {
+   "begin": "2026-05-22T18:30:12+02:00",
+   "end": "2026-05-22T18:34:35+02:00",
+   "duration": 262
+  },
+  {
+   "begin": "2026-05-22T18:34:49+02:00",
+   "end": "2026-05-22T18:38:39+02:00",
+   "duration": 229
+  },
+  {
+   "begin": "2026-05-22T18:38:55+02:00",
+   "end": "2026-05-22T18:39:22+02:00",
+   "duration": 27
+  },
+  {
+   "begin": "2026-05-22T18:58:35+02:00",
+   "end": "2026-05-22T19:03:47+02:00",
+   "duration": 311
+  },
+  {
+   "begin": "2026-05-22T19:03:52+02:00",
+   "end": "2026-05-22T19:05:29+02:00",
+   "duration": 96
+  },
+  {
+   "begin": "2026-05-22T19:05:33+02:00",
+   "end": "2026-05-22T19:12:57+02:00",
+   "duration": 444
+  },
+  {
+   "begin": "2026-05-22T19:13:27+02:00",
+   "end": "2026-05-22T19:21:36+02:00",
+   "duration": 489
   }
  ]
 }
\ No newline at end of file
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index e464cad..5aed4ae 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -4,9 +4,9 @@
         {
             "label": "check env",
             "type": "shell",
-            "command": "[ -n \"$VINTAGE_STORY\" ] || { echo 'ERROR: VINTAGE_STORY is not set'; exit 1; }; [ -n \"$VINTAGE_STORY_DATA\" ] || { echo 'ERROR: VINTAGE_STORY_DATA is not set'; exit 1; }",
+            "command": "if [ \"${input:buildConfig}\" = \"Version22\" ]; then [ -n \"$VINTAGE_STORY_22\" ] || { echo 'ERROR: VINTAGE_STORY_22 is not set'; exit 1; }; [ -n \"$VINTAGE_STORY_DATA_22\" ] || { echo 'ERROR: VINTAGE_STORY_DATA_22 is not set'; exit 1; }; else [ -n \"$VINTAGE_STORY_21\" ] || { echo 'ERROR: VINTAGE_STORY_21 is not set'; exit 1; }; [ -n \"$VINTAGE_STORY_DATA_21\" ] || { echo 'ERROR: VINTAGE_STORY_DATA_21 is not set'; exit 1; }; fi",
             "windows": {
-                "command": "if (-not $env:VINTAGE_STORY) { Write-Host 'ERROR: VINTAGE_STORY is not set'; exit 1 }; if (-not $env:VINTAGE_STORY_DATA) { Write-Host 'ERROR: VINTAGE_STORY_DATA is not set'; exit 1 }"
+                "command": "if ('${input:buildConfig}' -eq 'Version22') { if (-not $env:VINTAGE_STORY_22) { Write-Host 'ERROR: VINTAGE_STORY_22 is not set'; exit 1 }; if (-not $env:VINTAGE_STORY_DATA_22) { Write-Host 'ERROR: VINTAGE_STORY_DATA_22 is not set'; exit 1 } } else { if (-not $env:VINTAGE_STORY_21) { Write-Host 'ERROR: VINTAGE_STORY_21 is not set'; exit 1 }; if (-not $env:VINTAGE_STORY_DATA_21) { Write-Host 'ERROR: VINTAGE_STORY_DATA_21 is not set'; exit 1 } }"
             },
             "problemMatcher": []
         },
diff --git a/ChestPreview/ChestPreview/ChestPreview.csproj b/ChestPreview/ChestPreview/ChestPreview.csproj
index 80225f8..45bef3f 100644
--- a/ChestPreview/ChestPreview/ChestPreview.csproj
+++ b/ChestPreview/ChestPreview/ChestPreview.csproj
@@ -6,6 +6,8 @@
     <OutputPath>bin\$(Configuration)\Mods\mod</OutputPath>
     <Nullable>enable</Nullable>
     <Configurations>Debug;Release;Version22</Configurations>
+    <VINTAGE_STORY>$(VINTAGE_STORY_21)</VINTAGE_STORY>
+    <VINTAGE_STORY_DATA>$(VINTAGE_STORY_DATA_21)</VINTAGE_STORY_DATA>
     <VS_CONFIGLIB Condition="'$(VS_CONFIGLIB)' == ''">$([System.Environment]::GetEnvironmentVariable('VS_CONFIGLIB'))</VS_CONFIGLIB>
     <ConfigLibAvailable Condition="'$(VS_CONFIGLIB)' != '' and Exists('$(VS_CONFIGLIB)')">true</ConfigLibAvailable>
     <DefineConstants Condition="'$(ConfigLibAvailable)' == 'true'">$(DefineConstants);CONFIGLIB</DefineConstants>
diff --git a/ChestPreview/ZZCakeBuild/CakeBuild.csproj b/ChestPreview/ZZCakeBuild/CakeBuild.csproj
index 7790154..1a0acff 100644
--- a/ChestPreview/ZZCakeBuild/CakeBuild.csproj
+++ b/ChestPreview/ZZCakeBuild/CakeBuild.csproj
@@ -4,10 +4,15 @@
     <TargetFramework>net8.0</TargetFramework>
     <RunWorkingDirectory>$(MSBuildProjectDirectory)</RunWorkingDirectory>
     <Configurations>Debug;Release;Version22</Configurations>
+    <VINTAGE_STORY>$(VINTAGE_STORY_21)</VINTAGE_STORY>
     <VS_CONFIGLIB Condition="'$(VS_CONFIGLIB)' == ''">$([System.Environment]::GetEnvironmentVariable('VS_CONFIGLIB'))</VS_CONFIGLIB>
     <ConfigLibAvailable Condition="'$(VS_CONFIGLIB)' != '' and Exists('$(VS_CONFIGLIB)')">true</ConfigLibAvailable>
     <DefineConstants Condition="'$(ConfigLibAvailable)' == 'true'">$(DefineConstants);CONFIGLIB</DefineConstants>
   </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)' == 'Version22'">
+    <VINTAGE_STORY>$(VINTAGE_STORY_22)</VINTAGE_STORY>
+  </PropertyGroup>
   
   <ItemGroup>
     <PackageReference Include="Cake.Frosting" Version="5.0.0" />
diff --git a/readme.md b/readme.md
index 5bb8eec..e25dc0f 100644
--- a/readme.md
+++ b/readme.md
@@ -9,8 +9,8 @@
 
 ### Required env vars
 
-- `VINTAGE_STORY`: path to the 1.21 game install (on Windows default is %appdata%/VintageStory)
-- `VINTAGE_STORY_DATA`: path to the 1.21 game data directory (on Windows default is %appdata%/VintageStoryData)
+- `VINTAGE_STORY_21`: path to the 1.21 game install (on Windows default is %appdata%/VintageStory)
+- `VINTAGE_STORY_DATA_21`: path to the 1.21 game data directory (on Windows default is %appdata%/VintageStoryData)
 - `VINTAGE_STORY_22`: for 1.22 (`Version22` configuration)
 - `VINTAGE_STORY_DATA_22`: for 1.22 (`Version22` configuration)
 - `VS_CONFIGLIB`: path to `configlib.dll`. If not set, will compile with a warning and without configlib support