diff --git a/app_pojavlauncher/src/main/assets/assets-v0.zip b/app_pojavlauncher/src/main/assets/assets-v0.zip
new file mode 100644
index 000000000..e15e45dfe
Binary files /dev/null and b/app_pojavlauncher/src/main/assets/assets-v0.zip differ
diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/tasks/MinecraftDownloaderTask.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/tasks/MinecraftDownloaderTask.java
index a25b7983c..ccb8ac29c 100644
--- a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/tasks/MinecraftDownloaderTask.java
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/tasks/MinecraftDownloaderTask.java
@@ -2,6 +2,7 @@ package net.kdt.pojavlaunch.tasks;
 
 import android.app.*;
 import android.content.*;
+import android.content.res.AssetManager;
 import android.graphics.*;
 import android.os.*;
 import android.util.*;
@@ -116,6 +117,10 @@ public class MinecraftDownloaderTask extends AsyncTask<String, String, Throwable
                          }
                      } //if else, we are satisfied
                 }
+                {
+                    int mcReleaseDate = Integer.parseInt(verInfo.releaseTime.substring(0, 10).replace("-", ""));
+                    if(mcReleaseDate > 20210225) V117CompatUtil.runCheck(p1[0],mActivity);
+                }
                 try {
                     assets = downloadIndex(verInfo.assets, new File(Tools.ASSETS_PATH, "indexes/" + verInfo.assets + ".json"));
                 } catch (IOException e) {
diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/V117CompatUtil.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/V117CompatUtil.java
new file mode 100644
index 000000000..f25223f77
--- /dev/null
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/V117CompatUtil.java
@@ -0,0 +1,158 @@
+package net.kdt.pojavlaunch.utils;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.res.AssetManager;
+import android.util.Log;
+
+import androidx.appcompat.app.AlertDialog;
+
+import net.kdt.pojavlaunch.R;
+import net.kdt.pojavlaunch.Tools;
+import net.kdt.pojavlaunch.prefs.LauncherPreferences;
+import net.kdt.pojavlaunch.tasks.MinecraftDownloaderTask;
+import net.kdt.pojavlaunch.value.PerVersionConfig;
+
+import org.apache.commons.io.IOUtils;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+public class V117CompatUtil {
+    /*
+    /*
+                        New rendering engine was added in snapshot 21w10a
+                        21a08b (FP (GL2) engine): 20210225
+                        21w10a (non-FP engine): 20210310
+
+    boolean skipResDialog = false;
+                    if(mcReleaseDate > 20210225) skipResDialog = true;
+                    PerVersionConfig.update(); //Prepare the PVC
+    PerVersionConfig.VersionConfig cfg = PerVersionConfig.configMap.get(p1[0]); //Get the version config...
+                    if (cfg == null) {
+        cfg = new PerVersionConfig.VersionConfig();//or create a new one!
+        PerVersionConfig.configMap.put(p1[0], cfg);//and put it into the base
+    }
+                    MCOptionUtils.load();
+
+                    if(!skipResDialog) {
+        AtomicBoolean proceed = new AtomicBoolean(false);
+        Object lock = new Object();
+        mActivity.runOnUiThread(() -> {
+            AlertDialog.Builder bldr = new AlertDialog.Builder(mActivity);
+            bldr.setTitle(R.string.global_warinng);
+            bldr.setMessage(R.string.compat_117_message);
+            bldr.setPositiveButton(android.R.string.ok, (dialog, which) -> {
+                proceed.set(true);
+                synchronized (lock) { lock.notifyAll(); }
+                dialog.dismiss();
+            });
+            bldr.setNegativeButton(android.R.string.cancel, (dialog, which) -> {
+                synchronized (lock) { lock.notifyAll(); }
+                dialog.dismiss();
+            });
+            bldr.setCancelable(false);
+            bldr.show();
+        });
+        synchronized (lock) {
+            lock.wait();
+        }
+        if(proceed.get()) {
+            File resourcepacksDir = new File(cfg.gamePath==null? Tools.DIR_GAME_NEW:cfg.gamePath,"resourcepacks");
+            if(!resourcepacksDir.exists()) resourcepacksDir.mkdirs();
+            FileOutputStream fos = new FileOutputStream(new File(resourcepacksDir,"assets-v0.zip"));
+            InputStream is = this.mActivity.getAssets().open("assets-v0.zip");
+            IOUtils.copy(is,fos);
+            is.close();fos.close();
+            String resourcepacks = MCOptionUtils.get("resourcePacks");
+            if(resourcepacks == null || !resourcepacks.contains("assets-v0.zip")) {
+                List<String> resPacksArray = resourcepacks == null ? new ArrayList(): Arrays.asList()
+            }
+        }else throw new MinecraftDownloaderTask.SilentException();
+    }
+     */
+    private static List<String> getTexturePackList(String param) {
+        Log.i("V117CompatDebug",param);
+        if("[]".equals(param)) return new ArrayList<>();
+        Log.i("V117CompatDebug","ph2");
+        if(param == null) return new ArrayList<>();
+        Log.i("V117CompatDebug","ph3");
+        String rawList = param.substring(1,param.length()-1);
+        Log.i("V117CompatDebug",rawList);
+        return new ArrayList<>(Arrays.asList(rawList.split(",")));
+    }
+    private static String regenPackList(List<String> packs) {
+        if(packs.size()==0) return "[]";
+        String ret = "["+packs.get(0);
+        for(int i = 1; i < packs.size(); i++) {
+            ret += ","+packs.get(i);
+        }
+        ret += "]";
+        return ret;
+    }
+    public static void runCheck(String version, Activity ctx) throws Exception{
+
+        PerVersionConfig.VersionConfig cfg = PerVersionConfig.configMap.get(version);
+        MCOptionUtils.load();
+
+        List<String> packList =getTexturePackList(MCOptionUtils.get("resourcePacks"));
+        String renderer = cfg != null && cfg.renderer != null?cfg.renderer:LauncherPreferences.PREF_RENDERER;
+
+        if(renderer.equals("vulkan_zink")) return; //don't install for zink users;
+        if(packList.contains("\"assets-v0.zip\"") && renderer.equals("opengles2_5")) return;
+
+        Object lock = new Object();
+        AtomicBoolean proceed = new AtomicBoolean(false);
+
+        ctx.runOnUiThread(() -> {
+            AlertDialog.Builder bldr = new AlertDialog.Builder(ctx);
+            bldr.setTitle(R.string.global_warinng);
+            bldr.setMessage(R.string.compat_117_message);
+            bldr.setPositiveButton(android.R.string.ok, (dialog, which) -> {
+                proceed.set(true);
+                synchronized (lock) { lock.notifyAll(); }
+                dialog.dismiss();
+            });
+            bldr.setNegativeButton(android.R.string.cancel, (dialog, which) -> {
+                synchronized (lock) { lock.notifyAll(); }
+                dialog.dismiss();
+            });
+            bldr.setCancelable(false);
+            bldr.show();
+        });
+
+        synchronized (lock) {
+            lock.wait();
+        }
+        if(proceed.get()) {
+            if (cfg == null) {
+                cfg = new PerVersionConfig.VersionConfig();
+                PerVersionConfig.configMap.put(version, cfg);
+            }
+            cfg.renderer = "opengles2_5";
+            String path = Tools.DIR_GAME_NEW;
+            if(cfg.gamePath != null && !cfg.gamePath.isEmpty()) path = cfg.gamePath;
+            copyResourcePack(path,ctx.getAssets());
+            packList.add(0,"\"assets-v0.zip\"");
+            MCOptionUtils.set("resourcePacks",regenPackList(packList));
+            MCOptionUtils.save();
+            PerVersionConfig.update();
+        }else{
+            throw new MinecraftDownloaderTask.SilentException();
+        }
+    }
+    public static void copyResourcePack(String gameDir, AssetManager am) throws IOException {
+        File resourcepacksDir = new File(gameDir,"resourcepacks");
+        if(!resourcepacksDir.exists()) resourcepacksDir.mkdirs();
+        FileOutputStream fos = new FileOutputStream(new File(resourcepacksDir,"assets-v0.zip"));
+        InputStream is = am.open("assets-v0.zip");
+        IOUtils.copy(is,fos);
+        is.close();fos.close();
+    }
+}
diff --git a/app_pojavlauncher/src/main/res/values/strings.xml b/app_pojavlauncher/src/main/res/values/strings.xml
index 1b0a474ba..db2b039af 100644
--- a/app_pojavlauncher/src/main/res/values/strings.xml
+++ b/app_pojavlauncher/src/main/res/values/strings.xml
@@ -108,12 +108,12 @@
     <string name="mcl_setting_veroption_snapshot">Snapshot</string>
     <string name="mcl_setting_veroption_oldalpha">Old-alpha</string>
     <string name="mcl_setting_veroption_oldbeta">Old-beta</string>
-    
     <string name="mcl_version_clone">Clone</string>
 
     <!-- Global strings -->
     <string name="global_edit">Edit</string>
     <string name="global_error">Error</string>
+    <string name="global_warinng">Warning</string>
     <string name="global_load">Load</string>
     <string name="global_name">Name</string>
     <string name="global_remove">Remove</string>
@@ -223,4 +223,7 @@
     <string name="multirt_config_setdefault_already">Default</string>
     <string name="multirt_config_removeerror_last">You must have at least one Java Runtime installed</string>
     <string name="multirt_nocompartiblert">Can\'t find any compartible Java Runtime</string>
+
+    <string name="compat_117_message">Minecraft 21w10a+ requires the OpenGL 3.2 core profile. Sadly, GL4ES wrapper doesn\'t fully support it at the moment, but there are some additional resources you can install to run these versions. Press OK to confirm installation, and press Cancel to abort launch.</string>
+
 </resources>