diff --git a/.gitignore b/.gitignore
index 2137eca..19fc3a0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -216,4 +216,5 @@ gradle-app.setting
 
 secrets.xml
 
-mipmap-*
\ No newline at end of file
+mipmap-*
+release/
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0633703..28d4738 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+**1.5..0.0**
+
+_New_
+
+- The app is now open source ! And rewritten in Kotlin !
+
 **1.4.0.9**
 
 _Fixes_
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 623ce19..d308e3a 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -28,4 +28,29 @@
 -keep class .R
 -keep class **.R$* {
     <fields>;
-}
\ No newline at end of file
+}
+
+
+##Retrofit
+#-keep class com.google.gson.** { *; }
+#-keep class com.google.inject.** { *; }
+#-keep class org.apache.http.** { *; }
+#-keep class org.apache.james.mime4j.** { *; }
+#-keep class javax.inject.** { *; }
+#-keep class retrofit.** { *; }
+#-keepclassmembernames interface * {
+#    @retrofit.http.* <methods>;
+#}
+#-keep class retrofit.** { *; }
+#-keep class apps.amine.bou.readerforselfoss.api.selfoss.model.** { *; }
+#-keepclassmembernames interface * {
+#    @retrofit.http.* <methods>;
+#}
+-dontwarn okio.**
+-dontwarn retrofit2.Platform$Java8
+-keepattributes Signature
+-keepattributes Exceptions
+
+
+#Bottom bar lib
+-dontwarn com.roughike.bottombar.**
\ No newline at end of file