diff --git a/TMessagesProj/build.gradle b/TMessagesProj/build.gradle
index d0f41f905..812129936 100644
--- a/TMessagesProj/build.gradle
+++ b/TMessagesProj/build.gradle
@@ -39,6 +39,7 @@ configurations {
 def keystorePwd = null
 def alias = null
 def pwd = null
+def disableCMakeRelWithDebInfo = System.getenv("COMPILE_NATIVE") == null
 
 Properties properties
 def base64 = System.getenv("LOCAL_PROPERTIES")
@@ -259,24 +260,21 @@ android {
 
         main {
             jni.srcDirs = []
+            assets.srcDirs = ["src/main/assets", "src/emojis/twitter"]
         }
 
         debug {
             java {
                 srcDirs "src/main/java", "src/gservcies/java"
             }
-            jni {
-                srcDirs = ["./jni/"]
-            }
-            jniLibs {
-                srcDirs = []
-            }
+            jni.srcDirs = ["./jni/"]
             manifest {
                 srcFile "src/gservcies/AndroidManifest.xml"
             }
         }
 
         releaseNoGcm {
+            jni.srcDirs = []
             jniLibs {
                 srcDir "src/main/libs"
             }
@@ -286,6 +284,7 @@ android {
             java {
                 srcDirs "src/main/java", "src/gservcies/java"
             }
+            jni.srcDirs = []
             jniLibs {
                 srcDir "src/main/libs"
             }
@@ -304,18 +303,14 @@ android {
             jni {
                 srcDirs = ["./jni/"]
             }
-            jniLibs {
-                srcDirs = []
-            }
+            jniLibs.srcDirs = []
         }
 
         fdroidArm64Release {
             jni {
                 srcDirs = ["./jni/"]
             }
-            jniLibs {
-                srcDirs = []
-            }
+            jniLibs.srcDirs = []
         }
 
     }
@@ -340,15 +335,6 @@ android {
                 implementation fileTree("libs")
             }
         }
-        if (set.name.matches("(mini|full).*")) {
-            if (set.name.contains("Apple")) {
-                set.assets.srcDirs = ["src/main/assets", "src/emojis/apple"]
-                /*} else if (set.name.contains("Twitter")) {
-                    set.assets.srcDirs = ["src/main/assets", "src/emojis/twitter"]*/
-            } else {
-                set.assets.srcDirs = ["src/main/assets", "src/emojis/twitter"]
-            }
-        }
     }
 
     tasks.all { task ->
@@ -358,6 +344,9 @@ android {
         if (task.name.contains("uploadCrashlyticsMappingFile")) {
             enabled = false
         }
+        if (disableCMakeRelWithDebInfo && task.name.contains("CMakeRelWithDebInfo")) {
+            enabled = false
+        }
     }
 
     applicationVariants.all { variant ->
diff --git a/TMessagesProj/jni/CMakeLists.txt b/TMessagesProj/jni/CMakeLists.txt
index e2bee1b86..2ee294827 100644
--- a/TMessagesProj/jni/CMakeLists.txt
+++ b/TMessagesProj/jni/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.6.0)
 
-set(CMAKE_CXX_FLAGS "-std=c++14 -DANDROID -g")
-set(CMAKE_C_FLAGS "-w -std=c11 -DANDROID -D_LARGEFILE_SOURCE=1 -g")
+set(CMAKE_CXX_FLAGS "-std=c++14 -DANDROID")
+set(CMAKE_C_FLAGS "-w -std=c11 -DANDROID -D_LARGEFILE_SOURCE=1")
 set(CMAKE_ASM_FLAGS "${CFLAGS} -x assembler-with-cpp")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffunction-sections -fdata-sections")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffunction-sections -fdata-sections")
@@ -15,6 +15,19 @@ ${CMAKE_HOME_DIRECTORY}/ffmpeg/build/${ANDROID_ABI}/lib/libswresample.a,
 ${CMAKE_HOME_DIRECTORY}/boringssl/build/${ANDROID_ABI}/ssl/libssl.a,
 ${CMAKE_HOME_DIRECTORY}/boringssl/build/${ANDROID_ABI}/crypto/libcrypto.a")
 
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O0 -g")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -g")
+else()
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -Os -DNDEBUG")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -Os -DNDEBUG")
+    set(LINKER_FLAGS "${LINKER_FLAGS} -Wl,-exclude-libs,ALL -Wl,--gc-sections -Wl,--strip-all")
+endif()
+
+message("CFLAGS ${C_FLAGS}")
+message("CXX_FLAGS ${CXX_FLAGS}")
+
+
 if (${ANDROID_ABI} STREQUAL "armeabi-v7a" OR ${ANDROID_ABI} STREQUAL "arm64-v8a")
     enable_language(ASM)
 else()
diff --git a/bin/libs/native.sh b/bin/libs/native.sh
index 23d964e62..d6d563480 100755
--- a/bin/libs/native.sh
+++ b/bin/libs/native.sh
@@ -5,6 +5,7 @@ source "bin/init/env.sh"
 OUT=TMessagesProj/build/intermediates/stripped_native_libs/miniFoss/out/lib
 DIR=TMessagesProj/src/main/libs
 
+export COMPILE_NATIVE=1
 ./gradlew TMessagesProj:stripMiniFossDebugSymbols || exit 1
 
 function install() {
diff --git a/build.gradle b/build.gradle
index e85baf042..9856c9133 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,11 +6,11 @@ buildscript {
         maven { url "https://plugins.gradle.org/m2/" }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.2'
+        classpath 'com.android.tools.build:gradle:7.0.3'
         classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.30'
         classpath 'com.google.gms:google-services:4.3.10'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.7.1'
-        classpath 'gradle.plugin.org.mozilla.rust-android-gradle:plugin:0.8.3'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.8.0'
+        classpath 'gradle.plugin.org.mozilla.rust-android-gradle:plugin:0.9.0'
         //noinspection GradleDependency
         classpath "com.github.triplet.gradle:play-publisher:3.4.0-agp4.2"
         classpath 'cn.hutool:hutool-core:5.7.13'
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 442d9132e..ffed3a254 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/ss-rust/build.gradle.kts b/ss-rust/build.gradle.kts
index 44497ef59..345705023 100644
--- a/ss-rust/build.gradle.kts
+++ b/ss-rust/build.gradle.kts
@@ -21,12 +21,12 @@ android {
 
     ndkVersion = rootProject.extra.get("ndkVersion").toString()
 
-    compileSdkVersion(30)
+    compileSdk = 31
     defaultConfig {
-        minSdkVersion(21)
-        targetSdkVersion(30)
+        minSdk = 23
+        targetSdk = 31
     }
-    buildToolsVersion = "30.0.3"
+    buildToolsVersion = "31.0.0"
 
     if (targetAbi.isNotBlank()) splits.abi {
         reset()