diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index ec636eec2f..188891da57 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -161,8 +161,12 @@ android {
 
     buildTypes {
         getByName("release") {
-            isMinifyEnabled = false
-
+            isMinifyEnabled = true
+            isShrinkResources = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                file("proguard-rules.pro")
+            )
             devNetDefaultOn(false)
             enablePermissiveNetworkSecurityConfig(false)
             setAlternativeAppName(null)
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
new file mode 100644
index 0000000000..92c282e3f2
--- /dev/null
+++ b/app/proguard-rules.pro
@@ -0,0 +1,206 @@
+########## BASELINE / ATTRIBUTES ##########
+# Core attrs (serialization/DI/reflective access often rely on these)
+-keepattributes *Annotation*,Signature,InnerClasses,EnclosingMethod,MethodParameters,Record
+# Some tools repeat/override attribute keeps; keeping as provided
+-keepattributes Signature,InnerClasses,EnclosingMethod
+
+# Honor @Keep if present
+-keep @androidx.annotation.Keep class * { *; }
+-keepclasseswithmembers class * { @androidx.annotation.Keep *; }
+
+########## OPTIONAL GOOGLE BITS (SUPPRESSED WARNINGS) ##########
+-dontwarn com.google.android.gms.common.annotation.**
+-dontwarn com.google.firebase.analytics.connector.**
+
+########## ANDROID / DI ##########
+# Workers constructed by class name
+-keep class ** extends androidx.work.ListenableWorker
+
+########## KOTLINX SERIALIZATION ##########
+-keep class kotlinx.serialization.** { *; }
+-keepclassmembers class ** {
+    @kotlinx.serialization.Serializable *;
+    *** Companion;
+    kotlinx.serialization.KSerializer serializer(...);
+}
+
+########## JACKSON (CORE + ANNOTATIONS + DTOs) ##########
+# Keep Jackson packages and common annotated members
+-keep class com.fasterxml.jackson.** { *; }
+-keepclassmembers class ** {
+    @com.fasterxml.jackson.annotation.JsonCreator <init>(...);
+    @com.fasterxml.jackson.annotation.JsonProperty *;
+}
+-dontwarn com.fasterxml.jackson.databind.**
+
+# Jackson DTO used by OpenGroupApi (reactions map values)
+-keep class org.session.libsession.messaging.open_groups.OpenGroupApi$Reaction { *; }
+-keepnames class org.session.libsession.messaging.open_groups.OpenGroupApi$Reaction
+-keepclassmembers class org.session.libsession.messaging.open_groups.OpenGroupApi$Reaction {
+    <fields>;
+    *** get*();
+    void set*(***);
+
+    # keep the default constructor too:
+    public <init>(***, int, kotlin.jvm.internal.DefaultConstructorMarker);
+    # and a bare no-arg constructor if it exists
+    public <init>();
+}
+
+# DTO used by OpenGroupApi
+-keep class org.session.libsession.messaging.open_groups.OpenGroupApi$Capabilities { *; }
+-keepclassmembers class org.session.libsession.messaging.open_groups.OpenGroupApi$Capabilities { <init>(); }
+-keepnames class org.session.libsession.messaging.open_groups.OpenGroupApi$Capabilities
+
+# Project models referenced via Jackson (from crashes)
+-keep class org.thoughtcrime.securesms.crypto.KeyStoreHelper$SealedData { *; }
+-keep class org.thoughtcrime.securesms.crypto.KeyStoreHelper$SealedData$* { *; }
+-keep class org.thoughtcrime.securesms.crypto.AttachmentSecret { *; }
+-keep class org.thoughtcrime.securesms.crypto.AttachmentSecret$* { *; }
+
+# Keep names + bean-style accessors for OpenGroupApi models
+-keepnames class org.session.libsession.messaging.open_groups.**
+-keepclassmembers class org.session.libsession.messaging.open_groups.** {
+    <fields>;
+    *** get*();
+    void set*(***);
+}
+
+# Keep names + bean-style accessors for snode models
+-keepnames class org.session.libsession.snode.**
+-keepclassmembers class org.session.libsession.snode.** {
+    <fields>;
+    *** get*();
+    void set*(***);
+}
+
+# TypeReference subclasses and repeated Jackson-annotation keep
+-keep class ** extends com.fasterxml.jackson.core.type.TypeReference { *; }
+-keepclassmembers class * {
+    @com.fasterxml.jackson.annotation.JsonCreator <init>(...);
+    @com.fasterxml.jackson.annotation.JsonProperty *;
+}
+
+# Converters / Deserializers
+-keep class org.session.libsession.snode.model.RetrieveMessageConverter { public <init>(); public *; }
+-keep class * implements com.fasterxml.jackson.databind.util.Converter { public <init>(); public *; }
+-keep class * extends com.fasterxml.jackson.databind.JsonDeserializer { public <init>(); public *; }
+
+########## JNI LOGGER / NATIVE ENTRYPOINTS ##########
+# Logging interface & implementations (JNI looks up log(String,String,int))
+-keep interface network.loki.messenger.libsession_util.util.Logger { *; }
+-keepnames class * implements network.loki.messenger.libsession_util.util.Logger
+-keepclassmembers class * implements network.loki.messenger.libsession_util.util.Logger {
+    public void log(java.lang.String, java.lang.String, int);
+}
+
+# JNI: ConfigPush constructors (exact signatures preserved)
+-keepnames class network.loki.messenger.libsession_util.util.ConfigPush
+-keepclassmembers class network.loki.messenger.libsession_util.util.ConfigPush {
+    public <init>(java.util.List, long, java.util.List);
+    public <init>(java.util.List, long, java.util.List, int, kotlin.jvm.internal.DefaultConstructorMarker);
+}
+
+# JNI: specific getter used from native
+-keepnames class network.loki.messenger.libsession_util.util.UserPic
+-keepclassmembers class network.loki.messenger.libsession_util.util.UserPic {
+    public byte[] getKeyAsByteArray();
+}
+
+########## WEBRTC / CHROMIUM JNI ##########
+# WebRTC public Java APIs (kept for JNI_OnLoad registration)
+-keep class org.webrtc.** { *; }
+
+# Chromium-based bits
+-keep class org.chromium.** { *; }
+-keep class org.chromium.base.** { *; }
+-keep class org.chromium.net.** { *; }
+-keep class org.chromium.media.** { *; }
+
+# Keep all native bridges everywhere
+-keepclasseswithmembers,includedescriptorclasses class * {
+    native <methods>;
+}
+
+########## WEBRTC / CHROMIUM jni_zero ##########
+# Ensure jni_zero Java side is discoverable by native
+-keep class org.jni_zero.** { *; }
+-keepnames class org.jni_zero.**
+
+########## CONVERSATION / MODELS (JNI + REFLECTION) ##########
+# Conversation.* types constructed via JNI with (String,long,boolean)
+-keepclassmembers class network.loki.messenger.libsession_util.util.Conversation$OneToOne {
+    public <init>(java.lang.String, long, boolean);
+}
+-keepclassmembers class network.loki.messenger.libsession_util.util.Conversation$* {
+    public <init>(java.lang.String, long, boolean);
+}
+
+# Keep names and members of Conversation/Community models (JNI searches by name)
+-keep class network.loki.messenger.libsession_util.util.Conversation$Community { *; }
+-keep class network.loki.messenger.libsession_util.util.Conversation$OneToOne { *; }
+-keep class network.loki.messenger.libsession_util.util.Conversation$ClosedGroup { *; }
+-keep class network.loki.messenger.libsession_util.util.BaseCommunityInfo { *; }
+
+-keepclassmembers class network.loki.messenger.libsession_util.util.Conversation$Community { public <init>(...); }
+-keepclassmembers class network.loki.messenger.libsession_util.util.Conversation$OneToOne { public <init>(...); }
+-keepclassmembers class network.loki.messenger.libsession_util.util.Conversation$ClosedGroup { public <init>(...); }
+
+-keepnames class network.loki.messenger.libsession_util.util.Conversation$Community
+-keepnames class network.loki.messenger.libsession_util.util.Conversation$OneToOne
+-keepnames class network.loki.messenger.libsession_util.util.Conversation$ClosedGroup
+-keepnames class network.loki.messenger.libsession_util.util.BaseCommunityInfo
+
+# Group members (JNI constructor with long)
+-keep class network.loki.messenger.libsession_util.GroupMembersConfig { *; }
+-keep class network.loki.messenger.libsession_util.util.GroupMember { *; }
+-keepclassmembers class network.loki.messenger.libsession_util.util.GroupMember { public <init>(long); }
+-keepnames class network.loki.messenger.libsession_util.util.GroupMember
+
+# Broad safety net for long-arg ctors in util package
+-keepclassmembers class network.loki.messenger.libsession_util.util.** { public <init>(long); }
+
+########## EMOJI SEARCH (JACKSON / POLYMORPHIC) ##########
+# Keep names if @JsonTypeInfo uses CLASS/MINIMAL_CLASS
+-keepnames class org.thoughtcrime.securesms.database.model.**
+# Preserve abstract base + nested types for property/creator names
+-keep class org.thoughtcrime.securesms.database.model.EmojiSearchData { *; }
+-keep class org.thoughtcrime.securesms.database.model.EmojiSearchData$* { *; }
+
+########## KRYO (SERIALIZATION OF DESTINATIONS) ##########
+# No-arg contructors required at runtime for these sealed subclasses
+-keepclassmembers class org.session.libsession.messaging.messages.Destination$ClosedGroup { <init>(); }
+-keepclassmembers class org.session.libsession.messaging.messages.Destination$Contact { <init>(); }
+-keepclassmembers class org.session.libsession.messaging.messages.Destination$LegacyClosedGroup { <init>(); }
+-keepclassmembers class org.session.libsession.messaging.messages.Destination$LegacyOpenGroup { <init>(); }
+-keepclassmembers class org.session.libsession.messaging.messages.Destination$OpenGroup { <init>(); }
+-keepclassmembers class org.session.libsession.messaging.messages.Destination$OpenGroupInbox { <init>(); }
+
+# Keep the Enum serializer contructor Kryo reflects on
+-keepclassmembers class com.esotericsoftware.kryo.serializers.DefaultSerializers$EnumSerializer {
+    public <init>(java.lang.Class);
+}
+
+# Prevent enum unboxing/renaming for the enum field being serialized
+-keep class org.session.libsession.messaging.messages.control.TypingIndicator$Kind { *; }
+
+# Preserve class names for Kryo
+-keepnames class org.session.libsession.messaging.messages.Destination$**
+
+########## OPEN GROUP API (MESSAGES) ##########
+-keep class org.session.libsession.messaging.open_groups.OpenGroupApi$Message { *; }
+-keepclassmembers class org.session.libsession.messaging.open_groups.OpenGroupApi$Message { <init>(); }
+-keepnames class org.session.libsession.messaging.open_groups.OpenGroupApi$Message
+-keepclassmembers class org.session.libsession.messaging.open_groups.OpenGroupApi$Message {
+    *** get*();
+    void set*(***);
+}
+
+# Misc suppressed warnings
+-dontwarn java.beans.BeanInfo
+-dontwarn java.beans.IntrospectionException
+-dontwarn java.beans.Introspector
+-dontwarn java.beans.PropertyDescriptor
+-dontwarn java.lang.management.ManagementFactory
+-dontwarn java.lang.management.RuntimeMXBean
+-dontwarn sun.nio.ch.DirectBuffer
\ No newline at end of file