diff --git a/.github/release.yml b/.github/release.yml
index 45aa989..7e4865a 100644
--- a/.github/release.yml
+++ b/.github/release.yml
@@ -11,6 +11,7 @@ changelog:
         - refactor
         - dependencies
         - documentation
+        - testing
     - title: Packages/apps
       labels:
       - package::documentation
diff --git a/Cargo.toml b/Cargo.toml
index 2f0df93..e5d292a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,3 +51,21 @@ strip = "symbols"
 
 [build-dependencies]
 embed-resource = "2.4.2"
+
+[lints.rust]
+# "forbid" may cause conflicts with libs (static and dynamic)
+unsafe_code = "deny"
+
+[lints.clippy]
+undocumented_unsafe_blocks = "forbid"
+exit = "deny"
+panic_in_result_fn = "warn"
+unwrap_used = "warn"
+infinite_loop = "warn"
+mem_forget = "warn"
+string_to_string = "deny"
+format_push_string = "warn"
+large_include_file = "warn"
+shadow_unrelated = "warn"
+
+pedantic = { level = "warn", priority = -1 }
diff --git a/src/core/sync.rs b/src/core/sync.rs
index e5ea5c7..bab4846 100644
--- a/src/core/sync.rs
+++ b/src/core/sync.rs
@@ -141,7 +141,7 @@ pub async fn perform_adb_commands(
                     label, action, err
                 )));
             }
-            Err(AdbError::Generic(err.to_string()))
+            Err(AdbError::Generic(err))
         }
     }
 }
diff --git a/src/gui/mod.rs b/src/gui/mod.rs
index 095524c..d20cfc3 100644
--- a/src/gui/mod.rs
+++ b/src/gui/mod.rs
@@ -192,22 +192,18 @@ impl Application for UadGui {
                             return self.update(Message::RefreshButtonPressed);
                         }
                     }
-                    SettingsMessage::MultiUserMode(toggled) => {
-                        if toggled {
-                            for user in self.apps_view.phone_packages.clone() {
-                                for (i, _) in
-                                    user.iter().enumerate().filter(|&(_, pkg)| pkg.selected)
+                    SettingsMessage::MultiUserMode(toggled) if toggled => {
+                        for user in self.apps_view.phone_packages.clone() {
+                            for (i, _) in user.iter().filter(|&pkg| pkg.selected).enumerate() {
+                                for u in self
+                                    .selected_device
+                                    .as_ref()
+                                    .expect("Device should be selected")
+                                    .user_list
+                                    .iter()
+                                    .filter(|&u| !u.protected)
                                 {
-                                    for u in self
-                                        .selected_device
-                                        .as_ref()
-                                        .unwrap()
-                                        .user_list
-                                        .iter()
-                                        .filter(|&u| !u.protected)
-                                    {
-                                        self.apps_view.phone_packages[u.index][i].selected = true;
-                                    }
+                                    self.apps_view.phone_packages[u.index][i].selected = true;
                                 }
                             }
                         }
@@ -235,19 +231,13 @@ impl Application for UadGui {
                     }
                     AboutMessage::DoSelfUpdate => {
                         #[cfg(feature = "self-update")]
-                        if self.update_state.self_update.latest_release.is_some() {
+                        if let Some(release) = self.update_state.self_update.latest_release.as_ref()
+                        {
                             self.update_state.self_update.status = SelfUpdateStatus::Updating;
                             self.apps_view.loading_state = ListLoadingState::_UpdatingUad;
                             let bin_name = bin_name().to_owned();
-                            let release = self
-                                .update_state
-                                .self_update
-                                .latest_release
-                                .as_ref()
-                                .unwrap()
-                                .clone();
                             Command::perform(
-                                download_update_to_temp_file(bin_name, release),
+                                download_update_to_temp_file(bin_name, release.clone()),
                                 Message::_NewReleaseDownloaded,
                             )
                         } else {
diff --git a/src/gui/views/settings.rs b/src/gui/views/settings.rs
index 827e58c..277e95b 100644
--- a/src/gui/views/settings.rs
+++ b/src/gui/views/settings.rs
@@ -207,7 +207,7 @@ impl Settings {
                     Command::batch(commands)
                 }
                 Err(e) => {
-                    self.device.backup.backup_state = e.to_string();
+                    self.device.backup.backup_state = e.clone();
                     error!("{} - {}", self.device.backup.selected.as_ref().unwrap(), e);
                     Command::none()
                 }
diff --git a/src/gui/widgets/modal.rs b/src/gui/widgets/modal.rs
index 708187a..44b2e1f 100644
--- a/src/gui/widgets/modal.rs
+++ b/src/gui/widgets/modal.rs
@@ -190,14 +190,17 @@ where
         clipboard: &mut dyn Clipboard,
         shell: &mut Shell<'_, Message>,
     ) -> event::Status {
-        let content_bounds = layout.children().next().unwrap().bounds();
-
         if let Some(message) = self.on_blur.as_ref() {
             if matches!(
                 event,
                 Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))
             ) {
                 if let Some(cursor_position) = cursor.position() {
+                    let content_bounds = layout
+                        .children()
+                        .next()
+                        .expect("Layout must have at least 1 child")
+                        .bounds();
                     if !content_bounds.contains(cursor_position) {
                         shell.publish(message.clone());
                         return event::Status::Captured;