diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index 681f41ae..29204aff 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -1,6 +1,10 @@
 <component name="ProjectCodeStyleConfiguration">
   <code_scheme name="Project" version="173">
+    <JetCodeStyleSettings>
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </JetCodeStyleSettings>
     <codeStyleSettings language="XML">
+      <option name="FORCE_REARRANGE_MODE" value="1" />
       <indentOptions>
         <option name="CONTINUATION_INDENT_SIZE" value="4" />
       </indentOptions>
@@ -11,7 +15,6 @@
               <match>
                 <AND>
                   <NAME>xmlns:android</NAME>
-                  <XML_ATTRIBUTE />
                   <XML_NAMESPACE>^$</XML_NAMESPACE>
                 </AND>
               </match>
@@ -22,7 +25,6 @@
               <match>
                 <AND>
                   <NAME>xmlns:.*</NAME>
-                  <XML_ATTRIBUTE />
                   <XML_NAMESPACE>^$</XML_NAMESPACE>
                 </AND>
               </match>
@@ -34,7 +36,6 @@
               <match>
                 <AND>
                   <NAME>.*:id</NAME>
-                  <XML_ATTRIBUTE />
                   <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                 </AND>
               </match>
@@ -45,7 +46,6 @@
               <match>
                 <AND>
                   <NAME>.*:name</NAME>
-                  <XML_ATTRIBUTE />
                   <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                 </AND>
               </match>
@@ -56,7 +56,6 @@
               <match>
                 <AND>
                   <NAME>name</NAME>
-                  <XML_ATTRIBUTE />
                   <XML_NAMESPACE>^$</XML_NAMESPACE>
                 </AND>
               </match>
@@ -67,7 +66,6 @@
               <match>
                 <AND>
                   <NAME>style</NAME>
-                  <XML_ATTRIBUTE />
                   <XML_NAMESPACE>^$</XML_NAMESPACE>
                 </AND>
               </match>
@@ -78,7 +76,6 @@
               <match>
                 <AND>
                   <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
                   <XML_NAMESPACE>^$</XML_NAMESPACE>
                 </AND>
               </match>
@@ -90,7 +87,6 @@
               <match>
                 <AND>
                   <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
                   <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                 </AND>
               </match>
@@ -102,7 +98,6 @@
               <match>
                 <AND>
                   <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
                   <XML_NAMESPACE>.*</XML_NAMESPACE>
                 </AND>
               </match>
@@ -112,5 +107,8 @@
         </rules>
       </arrangement>
     </codeStyleSettings>
+    <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </codeStyleSettings>
   </code_scheme>
 </component>
\ No newline at end of file
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 00000000..79ee123c
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 12871fc6..8b487d4c 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -4,14 +4,14 @@
     <bytecodeTargetLevel target="1.7">
       <module name="annotation" target="1.7" />
       <module name="codegen" target="1.7" />
-      <module name="Szkolny.eu.agendacalendarview" target="1.8" />
-      <module name="Szkolny.eu.app" target="1.8" />
-      <module name="Szkolny.eu.cafebar" target="1.8" />
-      <module name="Szkolny.eu.material-about-library" target="1.8" />
-      <module name="Szkolny.eu.mhttp" target="1.8" />
-      <module name="Szkolny.eu.nachos" target="1.8" />
-      <module name="Szkolny.eu.szkolny-font" target="1.8" />
-      <module name="Szkolny.eu.wear" target="1.8" />
+      <module name="Szkolny.eu.agendacalendarview" target="11" />
+      <module name="Szkolny.eu.app" target="11" />
+      <module name="Szkolny.eu.cafebar" target="11" />
+      <module name="Szkolny.eu.material-about-library" target="11" />
+      <module name="Szkolny.eu.mhttp" target="11" />
+      <module name="Szkolny.eu.nachos" target="11" />
+      <module name="Szkolny.eu.szkolny-font" target="11" />
+      <module name="Szkolny.eu.wear" target="11" />
     </bytecodeTargetLevel>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/discord.xml b/.idea/discord.xml
index 59b11d1d..a04e4e5f 100644
--- a/.idea/discord.xml
+++ b/.idea/discord.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="DiscordProjectSettings">
-    <option name="show" value="true" />
+    <option name="show" value="PROJECT_FILES" />
   </component>
   <component name="ProjectNotificationSettings">
     <option name="askShowProject" value="false" />
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
index 7f68460d..e497da99 100644
--- a/.idea/runConfigurations.xml
+++ b/.idea/runConfigurations.xml
@@ -3,6 +3,7 @@
   <component name="RunConfigurationProducerService">
     <option name="ignoredProducers">
       <set>
+        <option value="com.android.tools.idea.compose.preview.runconfiguration.ComposePreviewRunConfigurationProducer" />
         <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
         <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
         <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
diff --git a/app/build.gradle b/app/build.gradle
index 47b02774..cf1bc55e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'com.google.gms.google-services'
-apply plugin: 'io.fabric'
+apply plugin: 'com.google.firebase.crashlytics'
 
 android {
     signingConfigs {
@@ -54,8 +54,8 @@ android {
     lintOptions {
         checkReleaseBuilds false
     }
-    dataBinding {
-        enabled = true
+    buildFeatures {
+        dataBinding = true
     }
     compileOptions {
         sourceCompatibility '1.8'
@@ -75,6 +75,7 @@ android {
             version "3.10.2"
         }
     }
+    ndkVersion '21.3.6528147'
 }
 
 /*task finalizeBundleDebug(type: Copy) {
@@ -114,7 +115,7 @@ dependencies {
     implementation "androidx.core:core-ktx:${versions.ktx}"
     implementation "androidx.gridlayout:gridlayout:${versions.gridLayout}"
     implementation "androidx.legacy:legacy-support-v4:${versions.legacy}"
-    implementation "androidx.lifecycle:lifecycle-livedata:${versions.lifecycle}"
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:${versions.lifecycle}"
     implementation "androidx.recyclerview:recyclerview:${versions.recyclerView}"
     implementation "androidx.room:room-runtime:${versions.room}"
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${versions.kotlin}"
@@ -137,7 +138,7 @@ dependencies {
 
     implementation "cat.ereza:customactivityoncrash:2.2.0"
     implementation "com.applandeo:material-calendar-view:1.5.0"
-    implementation "com.crashlytics.sdk.android:crashlytics:2.10.1"
+    implementation 'com.google.firebase:firebase-crashlytics:17.3.1'
     implementation "com.daimajia.swipelayout:library:1.2.0@aar"
     implementation "com.evernote:android-job:1.2.6"
     implementation "com.github.antonKozyriatskyi:CircularProgressIndicator:1.2.2"
@@ -157,7 +158,7 @@ dependencies {
     implementation "me.grantland:autofittextview:0.2.1"
     implementation "me.leolin:ShortcutBadger:1.1.22@aar"
     implementation "org.greenrobot:eventbus:3.1.1"
-    implementation "org.jsoup:jsoup:1.10.1"
+    implementation "org.jsoup:jsoup:1.12.1"
     implementation "pl.droidsonroids.gif:android-gif-drawable:1.2.15"
     //implementation "se.emilsjolander:stickylistheaders:2.7.0"
     implementation 'com.github.edisonw:StickyListHeaders:master-SNAPSHOT@aar'
diff --git a/build.gradle b/build.gradle
index cfc612be..c08e111d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@
 
 buildscript {
     ext {
-        kotlin_version = '1.3.61'
+        kotlin_version = '1.4.30'
 
         release = [
                 versionName: "4.4.3",
@@ -17,28 +17,28 @@ buildscript {
         ]
 
         versions = [
-                gradleAndroid    : '4.1.0-rc01',
+                gradleAndroid    : '4.2.0-beta04',
 
                 kotlin           : ext.kotlin_version,
-                ktx              : "1.2.0",
+                ktx              : "1.3.2",
 
                 androidX         : '1.0.0',
                 annotation       : '1.1.0',
-                recyclerView     : '1.2.0-alpha01',
-                material         : '1.2.0-alpha05',
-                appcompat        : '1.2.0-alpha02',
-                constraintLayout : '2.0.0-beta4',
+                recyclerView     : '1.2.0-beta01',
+                material         : '1.3.0',
+                appcompat        : '1.3.0-beta01',
+                constraintLayout : '2.1.0-alpha2',
                 cardview         : '1.0.0',
                 gridLayout       : '1.0.0',
                 navigation       : "2.0.0",
                 navigationFragment: "1.0.0",
                 legacy           : "1.0.0",
 
-                room             : "2.2.5",
-                lifecycle        : "2.2.0",
-                work             : "2.3.4",
+                room             : "2.2.6",
+                lifecycle        : "2.3.0",
+                work             : "2.5.0",
 
-                firebase         : '17.2.2',
+                firebase         : '18.0.2',
                 firebasemessaging: "20.1.3",
                 play_services    : "17.0.0",
 
@@ -58,9 +58,6 @@ buildscript {
     }
 
     repositories {
-        maven {
-            url 'https://maven.fabric.io/public'
-        }
         google()
         jcenter()
     }
@@ -68,11 +65,8 @@ buildscript {
         classpath "com.android.tools.build:gradle:${versions.gradleAndroid}"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${versions.kotlin}"
         classpath 'me.tatarka:gradle-retrolambda:3.7.0'
-        classpath 'com.google.gms:google-services:4.3.3'
-        classpath 'io.fabric.tools:gradle:1.28.1'
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
+        classpath 'com.google.gms:google-services:4.3.5'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.5.0'
     }
 }
 
diff --git a/gradle.properties b/gradle.properties
index 13fc0f92..8de50581 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,7 +9,6 @@
 android.enableJetifier=true
 android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536m
-android.enableR8=true
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 85e720be..1a62f29e 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Aug 24 17:15:24 CEST 2020
+#Wed Feb 17 14:04:38 CET 2021
 distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip
 distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
+zipStoreBase=GRADLE_USER_HOME